DR. STEPHEN MERRILL HEWITT M.D, PH.D.
NPI 1912295908
Pathology - Anatomic Pathology in Potomac, MD

Q: What is Stephen Hewitt's NPI number?

The NPI number for Stephen Hewitt is 1912295908. It was assigned to this individual provider in the NPPES registry on July 12, 2011.

Q: What is Stephen Hewitt's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Q: When was this NPI record last updated?

The NPPES record for Stephen Hewitt was last updated on July 12, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 12, 2011

9401 HOLBROOK LN, POTOMAC, MD 20854(301) 299-2072 Get Directions Write a Review

NPPES record last updated: July 12, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Stephen Merrill Hewitt M.d, Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN MERRILL HEWITT M.D, PH.D. (NPI 1912295908) is an individual anatomic pathology provider in Potomac, Maryland, licensed in Maryland (D0052887) and active in the NPI registry since July 2011.

NPPES Registry Identity

NPI1912295908

Entity TypeIndividualMale

Primary Taxonomy207ZP0101X

Provider Legal NameDR. STEPHEN MERRILL HEWITTCredential: M.D, PH.D.

Location Address9401 HOLBROOK LNPotomac, MD 20854-3931

Mailing Address9401 Holbrook LnPotomac, MD 20854-3931 · (301) 299-2072

Phone(301) 299-2072

Sole ProprietorYes

Enumeration DateJuly 12, 2011

✔ NPI 1912295908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0101X

License✔ Licensed in MD · D0052887

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

9401 HOLBROOK LN, Potomac, MD 20854

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Hewitt's NPI number?

The NPI number for Stephen Hewitt is 1912295908. It was assigned to this individual provider in the NPPES registry on July 12, 2011.

Where is Stephen Hewitt located?

Stephen Hewitt practices at 9401 Holbrook Ln, Potomac, MD 20854. The listed phone number is (301) 299-2072.

What is Stephen Hewitt's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

When was this NPI record last updated?

The NPPES record for Stephen Hewitt was last updated on July 12, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.