David Gajzer, M.D.
NPI 1124430095 · Clinical Pathology/Laboratory Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Gajzer, M.D. is a Clinical Pathology/Laboratory Medicine Physician provider in New York, NY (NPI 1124430095).
Provider details
- NPI number
- 1124430095
- Entity type
- Individual
- Primary specialty
- Clinical Pathology/Laboratory Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 338479 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 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
597 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) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 138 | $30 |
| Flow Cytometry Technique for Dna Or Cell Analysis, 16 Or More Markers88189 | 112 | $89 |
| Flow Cytometry Technique for Dna Or Cell Analysis, 9 to 15 Markers88188 | 62 | $67 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 60 | $40 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 42 | $38 |
| Blood Smear Interpretation By Physician With Written Report85060 | 39 | $26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-28
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is David Gajzer's NPI number?
- David Gajzer's National Provider Identifier (NPI) is 1124430095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gajzer's specialty?
- David Gajzer is listed in the NPPES registry with a primary specialty of Clinical Pathology/Laboratory Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Gajzer located?
- David Gajzer's practice location on file with NPPES is 1468 Madison Ave, New York, NY 10029-6508.
- What is David Gajzer's phone number?
- The practice phone number listed in the NPPES registry for David Gajzer is (212) 241-6500.
- Does David Gajzer accept Medicare?
- David Gajzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Gajzer's NPI active?
- Yes — David Gajzer's NPI (1124430095) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.