Brian Borsook, M.D.
NPI 1437165370 · Family Medicine Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Borsook, M.D. is a Family Medicine Physician provider in Torrance, CA (NPI 1437165370).
Provider details
- NPI number
- 1437165370
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A63206 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
578 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 222 | $138 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 94 | $140 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 58 | $21 |
| Administration of Influenza Virus VaccineG0008 | 50 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 | $98 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 365 | 112 |
| Rosuvastatin Calcium | 270 | 84 |
| Levothyroxine Sodium | 203 | 60 |
| Amlodipine Besylate | 189 | 58 |
| Lisinopril | 170 | 55 |
| Olmesartan Medoxomil | 163 | 52 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$154 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2026-02-11
- Certified
- 2026-02-11
Frequently asked questions
- What is Brian Borsook's NPI number?
- Brian Borsook's National Provider Identifier (NPI) is 1437165370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Borsook's specialty?
- Brian Borsook is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Borsook located?
- Brian Borsook's practice location on file with NPPES is 2200 Sepulveda Blvd, Torrance, CA 90501-5301.
- What is Brian Borsook's phone number?
- The practice phone number listed in the NPPES registry for Brian Borsook is (310) 326-9167.
- Does Brian Borsook accept Medicare?
- Brian Borsook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Borsook's NPI active?
- Yes — Brian Borsook's NPI (1437165370) is active in the NPPES registry as of the last update on 2026-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.