Brandon Koretz, MD
NPI 1447279864 · Geriatric Medicine (Internal Medicine) Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brandon Koretz, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Los Angeles, CA (NPI 1447279864).
Provider details
- NPI number
- 1447279864
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A65670 (CA)
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
3,879 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 | 1,097 | $72 |
| 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 | 970 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 245 | $68 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 240 | $101 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 192 | $101 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 128 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 605 | 144 |
| Levothyroxine Sodium | 404 | 99 |
| Amlodipine Besylate | 381 | 96 |
| Escitalopram Oxalate | 330 | 87 |
| Losartan Potassium | 323 | 82 |
| Duloxetine Hcl | 254 | 58 |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2010-06-28
Frequently asked questions
- What is Brandon Koretz's NPI number?
- Brandon Koretz's National Provider Identifier (NPI) is 1447279864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brandon Koretz's specialty?
- Brandon Koretz is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Brandon Koretz located?
- Brandon Koretz's practice location on file with NPPES is 200 Medical Plaza, Los Angeles, CA 90095.
- What is Brandon Koretz's phone number?
- The practice phone number listed in the NPPES registry for Brandon Koretz is (310) 206-6232.
- Does Brandon Koretz accept Medicare?
- Brandon Koretz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brandon Koretz's NPI active?
- Yes — Brandon Koretz's NPI (1447279864) is active in the NPPES registry as of the last update on 2010-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.