Jennifer Breznay, MD
NPI 1942237599 · Geriatric Medicine (Family Medicine) Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Breznay, MD is a Geriatric Medicine (Family Medicine) Physician provider in Brooklyn, NY (NPI 1942237599).
Provider details
- NPI number
- 1942237599
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 212103 (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
19 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
449 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 194 | $146 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 96 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 89 | $205 |
| Administration of Influenza Virus VaccineG0008 | 30 | $37 |
| Administration of Pneumococcal VaccineG0009 | 15 | $37 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 13 | $146 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 116 | 28 |
| Atorvastatin Calcium | 90 | 25 |
| Levothyroxine Sodium | 71 | 23 |
| Amlodipine Besylate | 68 | 26 |
| Hydrochlorothiazide | 60 | 14 |
| Buspirone Hcl | 55 | — |
| Metoprolol Succinate | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jennifer Breznay's NPI number?
- Jennifer Breznay's National Provider Identifier (NPI) is 1942237599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Breznay's specialty?
- Jennifer Breznay is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Breznay located?
- Jennifer Breznay's practice location on file with NPPES is 4802 10th Ave, Brooklyn, NY 11219-2844.
- What is Jennifer Breznay's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Breznay is (718) 283-6068.
- Does Jennifer Breznay accept Medicare?
- Jennifer Breznay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Breznay's NPI active?
- Yes — Jennifer Breznay's NPI (1942237599) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.