Dr. Mary K. Diehn

Gender: Female
Experience: 8 years
Graduated from: University Of Maryland School Of Medicine
Graduation year: 2013
Sole propriator: No
NPI: 1780029777

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Dr. Mary K. Diehn M.D.

Family Physician

She is located at 9000 Franklin Square Drive Department Of Family Medicine in Baltimore, MD 21237. Can help patients with the following: Arthritis, Headache, Infant Care, Influenza, Migraine, Osteoporosis. Her National Provider Identifier (NPI) number is 1780029777. Appointment can be made via the phone number (443) 777-2000. She is affiliated with 1 hospitals.

Conditions treated Affiliated hospitals and practices Medicare Enrollment

Conditions treated

Dr. Mary K. Diehn, being an family physician, 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. Mary K. Diehn.

Abdominal Pain
Aging In Place
Anxiety
Arthritis
Asthma
Autism
Birth Control Counseling
Breastfeeding and Lactation
Chronic Obstructive Pulmonary Disease (COPD)
Common Cold
Diabetes
Fever
General Care
Headache
Heart Disease
High Blood Pressure
Hyperlipidemia
Hypothyroidism
Infant Care
Influenza
Migraine
Mold Exposure
Nausea and Vomiting
Obesity
Osteoarthritis (OA)
Osteoporosis
Pregnancy
Prenatal Care
Prescription Refill
Thyroid Disease
Women's Health

Procedures Performed by Dr. Mary K. Diehn

Medicare Enrollment

Dr. Mary K. Diehn is enrolled to bill Medicare as a Practitioner - Family Practice .

Bills through: Baltimore Medical System, Inc.

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Studies

UNIVERSITY OF MARYLAND SCHOOL OF MEDICINE

Graduated in 2013

Additional Specialities

Resident

Affiliated hospitals

GREATER BALTIMORE MEDICAL CENTER

6701 NORTH CHARLES STREET
BALTIMORE, 21204 MD

(443) 849-2000

Direction Call

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Questions & Answers

Has Dr. Mary K. Diehn affiliation with hospitals?

Dr. Mary K. Diehn is affiliated with GREATER BALTIMORE MEDICAL CENTER.

Where can you meet with Dr. Mary K. Diehn?

Dr. Mary K. Diehn's office is located at 9000 Franklin Square Drive Department Of Family Medicine in Baltimore, MD 21237.

What conditions does Dr. Mary K. Diehn treat?

Dr. Mary K. Diehn provides treatment for Arthritis, Headache, Infant Care, Influenza, Migraine, Osteoporosis. For the full list see this list.