Dr. Gregory L. Walker
- Gender: Male
- Experience: 43 years
- Graduated from: University Of Maryland School Of Medicine
- Graduation year: 1978
- Sole propriator: Yes
- NPI: 1366508301
Dr. Gregory L. Walker MD
Internist
He is located at 3333 North Calvert Street Suite 585 in Baltimore, MD 21218. Can help patients with the following: Abdominal Pain, Chronic Obstructive Pulmonary Disease (COPD), Constipation, Hiatal Hernia, Osteoporosis, Prescription Refill. His National Provider Identifier (NPI) number is 1366508301. Appointment can be made via the phone number (410) 235-8858. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. Gregory Leroy Walker, being an internist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Gregory L. Walker.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Gregory L. Walker
Insurances Accepted by Dr. Gregory L. Walker
- Medicare
Medicare Enrollment
Dr. Gregory L. Walker is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- BALTIMORE, MD, 21210-1806
- BALTIMORE, MD, 21218-2820
- BALTIMORE, MD, 21218-6514
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| Pfizer | $1472 |
| Janssen | $1128 |
| Boehringer Ingelheim | $1123 |
Other
| Food and Beverage | $12243 |
| Promotional Speaking or Service | $530 |
| Other | $120 |
Studies
UNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated in 1978
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Questions & Answers
Does Dr. Gregory Leroy Walker have affiliation with practices?
Dr. Gregory Leroy Walker is affiliated with Metropolitan Medical Associates.
Where can you meet with Dr. Gregory Leroy Walker?
Dr. Gregory Leroy Walker's office is located at 3333 North Calvert Street Suite 585 in Baltimore, MD 21218.
Has Dr. Gregory Leroy Walker affiliation with hospitals?
Dr. Gregory Leroy Walker is affiliated with MEDSTAR UNION MEMORIAL HOSPITAL.
What conditions does Dr. Gregory Leroy Walker treat?
Dr. Gregory Leroy Walker provides treatment for Abdominal Pain, Chronic Obstructive Pulmonary Disease (COPD), Constipation, Hiatal Hernia, Osteoporosis, Prescription Refill. For the full list see this list.
Does Dr. Gregory Leroy Walker accept patients with Medicare?
Yes, Dr. Gregory Leroy Walker accepts patients with Medicare.