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Dr. Calvin Parker III, MD
Gastroenterology* Age 53
Dr. Calvin Parker III, MD
5.0 (1 Ratings)
Map Pin Small Pikesville, MD
Dr. Calvin Parker III, MD is a Gastroenterologist in Pikesville, MD.
Dr. Calvin Parker III, MD
5.0 (1 Ratings)

Dr. Calvin Parker III, MD

Gastroenterology* Age 53
Pikesville, MD
Call for new patient details
22 years of experience
Dr. Calvin Parker III, MD is a Gastroenterologist in Pikesville, MD.

About Dr. Calvin Parker III, MD

Dr. Parker III graduated from Howard University College of Medicine in 2004 and completed a residency at Dwight D Eisenhower Medical Center. Dr. Calvin Parker III, MD is a Gastroenterologist in Pikesville, MD and has 22 years experience. Dr. Parker III currently practices at Woodholme Gastroenterology Associates-Pikesville and is affiliated with Northwest Hospital Center and Carroll Hospital Center. Dr. Parker III has experience treating conditions like Indigestion, Constipation, Nausea, Esophageal Ulcer, Intestinal Diverticulitis, Intestinal Diverticulosis, Irritable Bowel Syndrome, Pancreatitis, Dysphagia, Gallstones and Abdominal Pain among other conditions at varying frequencies. Dr. Parker III's office is not accepting new patients. Dr. Parker III is board certified in Gastroenterology and accepts multiple insurance plans.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Low Wait Times

Patients are usually seen in 10 minutes or less.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Compare with other Gastroenterologists

Compare Dr. Parker III with our nearby Gastroenterologists at University of Maryland Medical System
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These providers are on the medical staff of University of Maryland Medical System
These providers are on the medical staff of University of Maryland Medical System.
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Experience Check

Enter a condition or procedure
Indigestion
Constipation
Nausea
Indigestion
Constipation
Nausea
Indigestion
Constipation
Nausea
  • View other providers who treat Nausea
Esophageal Ulcer
Intestinal Diverticulitis
Intestinal Diverticulosis
Irritable Bowel Syndrome
Pancreatitis
Dysphagia
Gallstones
Abdominal Pain
Colonoscopy
Diarrhea
  • View other providers who treat Diarrhea
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Gastroesophageal Reflux Disease (GERD)
Gastroptosis
Gas-Bloat Syndrome
Vomiting Disorders
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Flexible Sigmoidoscopy
Rigid Proctosigmoidoscopy
Manometry
Intestinal Ulcer
Duodenal Polypectomy
Gastric Ulcer
Endoscopy
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Inflammatory Bowel Disease
Gastritis
Gastrointestinal Bleeding
Hemorrhoids
Sigmoidoscopy
Intestinal Obstruction
Anemia
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Diaphragmatic and Hiatal Hernia
Colorectal Polyp
Noninfectious Gastroenteritis and Colitis
Cirrhosis
Ulcerative Colitis
Unexplained Weight Loss
Barrett's Esophagus
Diffuse Esophageal Spasm
Crohn's Disease
Esophagitis
Enteritis
Hepatitis C
Duodenal Ulcer
Hypokalemia
Laparoscopic Removal of Stones from Biliary Tract
Esophageal Motility Disorders
Dehydration
Anal or Rectal Pain
Ascites
  • View other providers who treat Ascites
Duodenitis
Esophageal Varices
Liver Damage from Alcohol
Gastrointestinal Malabsorption
Gastroparesis
Pancreas Surgeries
Acute Gastritis
Alcoholic Cirrhosis
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Eosinophilic Esophagitis
Upper Digestive Tract Cancer
Neoplasm of Gastrointestinal Tract
Vitamin_Deficiency
Acidosis
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Actinic Keratosis
Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Pharyngitis
Acute Venous Embolism Thrombosis
Alcoholic Fatty Liver
Alcoholic Hepatitis
All Headaches (incl. Migraine)
Allergic Rhinitis
Anxiety
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Arthritis
Arthritis of the Elbow
Asthma
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Ataxia
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Atherosclerosis
Autoimmune Hepatitis
Back Pain
Bedsores
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Benign Chronic Pain Syndrome
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Biliary Cirrhosis
Bladder Infection
Blood in Urine (Hematuria)
Boerhaave's Syndrome
Bowel Strangulation
Bronchitis
Calcium Metabolism Disorders
Celiac Disease
Cellulitis
Chest Pain
Cholangitis
Chronic Gastritis
Chronic Pain
Colon Cancer
Congenital Anomaly Intestine
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Cyclical Vomiting
Cyclical Vomiting Syndrome
Deep Vein Thrombosis (DVT)
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Difficulty With Walking
Dizziness
Duodenal Cancer
Dysentery
Dyslipidemia
Eczema and Contact Dermatitis
Ehlers-Danlos Syndrome
Emphysema
Enlarged Prostate (BPH)
Esophageal Achalasia and Cardiospasm
Esophageal Diseases
Esophageal Diverticulum
Familial Adenomatous Polyposis
Fever
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Fibromyalgia
Gait Abnormality
Gastrointestinal Diseases
Gastrojejunal Ulcer
Gout
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Headache
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Heart Disease
Heartburn
Hemochromatosis
Hepatitis B
Hereditary Amyloidosis
Hernia
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Hiatal Hernia
Hydrocele
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Ileus
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Infectious Diarrheal Disease
Insomnia
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Intertrigo
Intestinal Malabsorption Carbohydrate
Intestinal Prolapse
Iron Metabolism Disorders
Ischemic Colitis
Itchy Skin
Joint Pain
Lactose Intolerance
Leg and Foot Ulcers
Limb Pain
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Mallory-Weiss Syndrome
Malnutrition
Megacolon
Menstrual Disorders
Migraine
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Mineral Metabolism Disorders
Muscle Weakness
Neurogenic Bladder
Non-Neonatal Jaundice
Nosebleed
Obesity
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Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteopenia
Osteoporosis
Overactive Bladder
Overweight
Pancreatic Pseudocyst
Pelvic Abscess
Peptic Ulcer
Pericardial Disease
Pernicious Anemia
Pharyngitis
Phosphorus Metabolism Disorders
Pneumonia
Pollen Allergy
Polymyalgia Rheumatica (PMR)
Polyneuropathy
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Proctoptosis
Pyloric Stenosis
Rash
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Raynaud's Disease
Rectal Prolapse
Rectal Ulcer
Reflux Esophagitis
Restless Leg Syndrome
Retroperitoneum Cancer
Sarcoidosis
Sclerosing Mesenteritis
Sexually Transmitted Diseases (STDs)
Shortness of Breath
Sinus Bradycardia
Sinus Tachycardia
Sleep Apnea
Splenomegaly
Stomach Diseases
Syphilis Infections
Thyroid Goiter
Tinnitus
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Tobacco Use Disorder
Transient Ischemic Attack (TIA)
Ulcer
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Urinary Incontinence
Urinary Stones
Urinary Tract Infection (UTI)
Vertigo
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Viral Enteritis
Viral Hepatitis
Vitamin B Deficiency
Vitamin B12 Anemia
Vitamin B12 Deficiency
Vitamin D Deficiency
Wheezing
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Yeast Infections
Anoscopy
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Bile Duct Procedure
Capsule Endoscopy
Care Coordination for Complex Conditions and Procedures
Colon Cancer Screening
Colonoscopy With Polypectomy
Colorectal Cancer Screening
Electrocardiogram (EKG)
Fecal Impaction Removal
Fecal Occult Blood Test for Colorectal Cancer
Gallbladder Scan
Gastroenterology Procedures
Hemorrhoidectomy or Excision of Anal Tags
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Immunization Administration
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
Percutaneous Edoscopic Gastrostomy (PEG)
pH Probe
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Screening Colonoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Aetna
  • Medicaid
  • Carefirst Blue Cross Blue Shield
  • Amerihealth
  • MultiPlan PPO
  • Coventry Health Care
  • CoreSource
  • Cigna
  • Mail Handlers Benefit Plan (MHBP)
  • United Healthcare
  • Curative EPO
    Curative PPO Plus
    Curative PPO
  • Tricare
  • Amerigroup (Wellpoint)
  • Commercial Insurance Company
  • First Health (Coventry Health Care)
  • Highmark Blue Cross Blue Shield
  • Blue Cross and Blue Shield
  • Assurant Health
  • Anthem Blue Cross Blue Shield
  • Geisinger Health Plan
  • National (BlueCard) PPO
  • Humana

Where Dr. Calvin Parker III, MD Sees Patients

  1. 1 Woodholme Gastroenterology Associates-Pikesville
    1838 Greene Tree Rd Ste 400, Pikesville, MD 21208
    Icon Directions Right Arrow Directions Phone Icon (410) 876-8332
  2. 2 Woodholme Gastroenterology Associates
    535 Old Westminster Pike Ste 101, Westminster, MD 21157
    Icon Directions Right Arrow Directions Phone Icon (410) 876-8332

What Patients Say

Likelihood to recommend Dr. Parker III
5.0
Based on 1 Reviews
5 Stars (1)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
Jan 15, 2026
Dr. Parker is the best. He treated me four years ago but he had reviewed my previous visit and spoke with me as he had seen me in his office a day previously. He is a warm and genuine doctor who cares for his patients. He is a great doctor. 5 star rating from me.
— Jan 15, 2026
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Meet Dr. Calvin Parker III, MD

Specialties*
Gastroenterology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Parker III communicate via email?
65 users said yes.
Yes
(65)
No
(13)
Does Dr. Parker III offer telehealth services or virtual visits?
50 users said yes.
Yes
(50)
No
(17)
Does Dr. Parker III offer an online patient portal?
86 users said yes.
Yes
(86)
No
(2)
Does Dr. Parker III have free onsite parking?
113 users said yes.
Yes
(113)
No
(2)
Does Dr. Parker III offer weekend visits?
14 users said yes.
Yes
(14)
No
(40)
Does Dr. Parker III offer evening visits?
26 users said yes.
Yes
(26)
No
(29)
Does Dr. Parker III specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Parker III specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Parker III specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Parker III specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Parker III accept insurance?
No responses yet.
Yes
(0)
No
(0)

FAQs About Dr. Parker III's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Calvin Parker III, MD. To arrange an appointment, call the number on Dr. Parker III's profile.

Dr. Parker III frequently treats the following conditions: Indigestion, Constipation, Nausea, Esophageal Ulcer, Intestinal Diverticulitis, Intestinal Diverticulosis, Irritable Bowel Syndrome, Pancreatitis, Dysphagia, Gallstones and Abdominal Pain. See more on Sharecare.

Dr. Calvin Parker III, MD is affiliated with Northwest Hospital Center and Carroll Hospital Center.

Yes, Dr. Calvin Parker III, MD holds board certification in Gastroenterology.
Training & Medical Education
Medical Education
  • Howard University College of Medicine
    2004
Medical Education
Board Certifications
  • Gastroenterology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Residency Hospital
  • Dwight D Eisenhower Medical Center
    2007
Residency Hospital
Fellowship Hospital
  • Brooke Army Medical Center
    2013
Fellowship Hospital

Hospitals Where Dr. Calvin Parker III, MD Practices

  • Northwest Hospital Center

    5401 Old Court Rd, Randallstown, MD

  • Carroll Hospital Center

    200 Memorial Ave, Westminster, MD

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