Hassan Tahhan, MD
NPI 1770541229 · Clinical Pathology/Laboratory Medicine Physician · Norfolk, VA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hassan Tahhan, MD is a Clinical Pathology/Laboratory Medicine Physician provider in Norfolk, VA (NPI 1770541229).
Provider details
- NPI number
- 1770541229
- Entity type
- Individual
- Primary specialty
- Clinical Pathology/Laboratory Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101049654 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,466 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Blood Smear Interpretation By Physician With Written Report85060 | 1,091 | $22 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 750 | $17 |
| Protein Measurement, Serum84165 | 572 | $17 |
| Platelet Aggregation Function Test85576 | 382 | $17 |
| Immunologic Analysis Technique on Body Fluid, Other Fluids With Concentration86335 | 179 | $17 |
| Blood Bank Physician Services With Written Report86079 | 152 | $46 |
| Hemoglobin Analysis and Measurement, Electrophoresis |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2014-09-25
Frequently asked questions
- What is Hassan Tahhan's NPI number?
- Hassan Tahhan's National Provider Identifier (NPI) is 1770541229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hassan Tahhan's specialty?
- Hassan Tahhan is listed in the NPPES registry with a primary specialty of Clinical Pathology/Laboratory Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hassan Tahhan located?
- Hassan Tahhan's practice location on file with NPPES is 600 Gresham Dr, Norfolk, VA 23507-1904.
- What is Hassan Tahhan's phone number?
- The practice phone number listed in the NPPES registry for Hassan Tahhan is (757) 388-3221.
- Does Hassan Tahhan accept Medicare?
- Hassan Tahhan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hassan Tahhan's NPI active?
- Yes — Hassan Tahhan's NPI (1770541229) is active in the NPPES registry as of the last update on 2014-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.