Brenainn Flanagan, M.D.,
NPI 1609164334 · Family Medicine Physician · Northport, NY
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brenainn Flanagan, M.D., is a Family Medicine Physician provider in Northport, NY (NPI 1609164334).
Provider details
- NPI number
- 1609164334
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.,
- Sex
- Male
- Sole proprietor
- Yes
- License
- 262618 (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
14 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
1,395 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 867 | $89 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 192 | $130 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 156 | $134 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 94 | $78 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 74 | $196 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefuroxime Axetilbrand: Cefuroxime | 44 | 43 |
| Pantoprazole Sodium | 24 | 20 |
| Oxycodone Hcl | 23 | 20 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 13 |
| Apixabanbrand: Eliquis | 14 | 13 |
| Prednisone | 14 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-07-15
- Last updated
- 2011-08-15
Frequently asked questions
- What is Brenainn Flanagan's NPI number?
- Brenainn Flanagan's National Provider Identifier (NPI) is 1609164334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brenainn Flanagan's specialty?
- Brenainn Flanagan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brenainn Flanagan located?
- Brenainn Flanagan's practice location on file with NPPES is 12 Burr Ave, Northport, NY 11768-1927.
- What is Brenainn Flanagan's phone number?
- The practice phone number listed in the NPPES registry for Brenainn Flanagan is (631) 708-4066.
- Does Brenainn Flanagan accept Medicare?
- Brenainn Flanagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brenainn Flanagan's NPI active?
- Yes — Brenainn Flanagan's NPI (1609164334) is active in the NPPES registry as of the last update on 2011-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.