PATHOLOGY SCIENCES MEDICAL GROUP, PC
NPI 1366499733
Pathology - Anatomic Pathology & Clinical Pathology in Norfolk, VA

Q: What is Pathology Sciences Medical Group, PC's NPI number?

The NPI number for Pathology Sciences Medical Group, PC is 1366499733. It was assigned to this organization in the NPPES registry on May 30, 2006.

Q: What is Pathology Sciences Medical Group, PC's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Active since May 30, 2006

600 GRESHAM DR, SENTARA NORFOLK GEN HOSPITAL PATH DEPT, NORFOLK, VA 23507(757) 388-3221(614) 583-3300 Get Directions Write a Review

NPPES record last updated: March 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 27, 2026, Feb 20, 2020 (2 updates tracked since 2020).

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About Pathology Sciences Medical Group, Pc NPPES

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

PATHOLOGY SCIENCES MEDICAL GROUP, PC (NPI 1366499733) is a healthcare organization registered as an anatomic pathology & clinical pathology in Norfolk, Virginia and active in the NPI registry since May 2006. The organization lists Hassan R Tahhan, Vice President, as its authorized official.

NPPES Registry Identity

NPI1366499733

Entity TypeOrganization

Primary Taxonomy207ZP0102X

Legal Business NamePATHOLOGY SCIENCES MEDICAL GROUP, PC

Location Address600 GRESHAM DR, SENTARA NORFOLK GEN HOSPITAL PATH DEPTNorfolk, VA 23507-1904

Mailing AddressPo Box 79671Baltimore, MD 21279-0671 · (800) 554-2695 · Fax (614) 583-3300

Phone(757) 388-3221

Fax(614) 583-3300

Organization SubpartNo

Authorized OfficialHassan R TahhanVice President · (757) 388-3221

Enumeration DateMay 30, 2006

Last NPPES UpdateMarch 27, 20262 updates tracked since enumeration

NPPES CertifiedMarch 27, 2026

✔ NPI 1366499733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

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.

600 GRESHAM DR, Norfolk, VA 23507

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Other Identifiers 1

OtherCE9565VA · Rr Medicare

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Pathology Sciences Medical Group, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 23 clinicians reassign Medicare billing to Pathology Sciences Medical Group, PC, which bills Medicare for the services they deliver. Of these, 19 practice at this address. Listed here are the 20 practicing nearest to this location.

Nearest to this location (20)

See all 23

Michele Bak, MD

Pathology

NPI 1689731515

600 GRESHAM DR DEPARTMENT OF PATHOLOGY
Norfolk, VA 23507

(757) 388-3221