Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Ian McNeil, MD

Individual provider Infectious Disease Physician · NPI 1407828254

Dr. John Ian McNeil, MD is an Internal Medicine in Silver Spring, Maryland. Graduated from Howard University College of Medicine in 1989, 37 years ago. Practices with Maximed Associates Inc, a 3-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
37
Trained at
Howard University College of Medicine
Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

12126 Heritage Park Cir
Silver Spring, MD 20906-4554
Phone: (301) 460-6664
Fax: (301) 460-7867
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence D0046584 (MD)

Record details

NPI number1407828254
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 6, 2006
Last updated in NPPESSeptember 30, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolHOWARD UNIVERSITY COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Maximed Associates Inc. — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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