Brittney Zimmerman, M.D,
NPI 1053708941 · Hematology & Oncology Physician · Riverhead, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brittney Zimmerman, M.D, is a Hematology & Oncology Physician provider in Riverhead, NY (NPI 1053708941).
Provider details
- NPI number
- 1053708941
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D,
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
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
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,404 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 314 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 275 | $146 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 244 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 153 | $106 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 130 | 61 |
| Tamoxifen Citrate | 60 | 26 |
| Bicalutamide | 39 | 16 |
| Apixabanbrand: Eliquis | 35 | 14 |
| Enzalutamidebrand: Xtandi | 30 | 11 |
| Abiraterone Acetate | 26 | — |
| Escitalopram Oxalate | 21 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-19
- Last updated
- 2023-03-14
- Certified
- 2023-03-14
Frequently asked questions
- What is Brittney Zimmerman's NPI number?
- Brittney Zimmerman's National Provider Identifier (NPI) is 1053708941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brittney Zimmerman's specialty?
- Brittney Zimmerman is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Brittney Zimmerman located?
- Brittney Zimmerman's practice location on file with NPPES is 896 Old Country Rd, Riverhead, NY 11901-2154.
- What is Brittney Zimmerman's phone number?
- The practice phone number listed in the NPPES registry for Brittney Zimmerman is (631) 846-5250.
- Does Brittney Zimmerman accept Medicare?
- Brittney Zimmerman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brittney Zimmerman's NPI active?
- Yes — Brittney Zimmerman's NPI (1053708941) is active in the NPPES registry as of the last update on 2023-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.