Diana Dreyer, MD
NPI 1962819730 · Anatomic Pathology & Clinical Pathology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Dreyer, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Brooklyn, NY (NPI 1962819730).
Provider details
- NPI number
- 1962819730
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 291416 (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
11 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
381 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 178 | $39 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 65 | $29 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 39 | $13 |
| Pathology Examination of Tissue Using a Microscope, Limited Examination88300 | 27 | $5 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 25 | $28 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 19 | $86 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-07-14
- Last updated
- 2020-07-07
- Certified
- 2020-07-07
Frequently asked questions
- What is Diana Dreyer's NPI number?
- Diana Dreyer's National Provider Identifier (NPI) is 1962819730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Dreyer's specialty?
- Diana Dreyer is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Dreyer located?
- Diana Dreyer's practice location on file with NPPES is 2601 Ocean Pkwy, Brooklyn, NY 11235-7745.
- What is Diana Dreyer's phone number?
- The practice phone number listed in the NPPES registry for Diana Dreyer is (718) 616-3479.
- Does Diana Dreyer accept Medicare?
- Diana Dreyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Dreyer's NPI active?
- Yes — Diana Dreyer's NPI (1962819730) is active in the NPPES registry as of the last update on 2020-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.