Brandon Williams, MD
NPI 1871097436 · Internal Medicine Physician · La Jolla, CA
Brandon Williams, MD is a Internal Medicine Physician provider in La Jolla, CA (NPI 1871097436).
Provider details
- NPI number
- 1871097436
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A163743 (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
8 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
83 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 83 | $176 |
Typical Medicare-allowed amounts for these services range $176–$176 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-20
- Last updated
- 2021-07-27
- Certified
- 2021-07-27
Frequently asked questions
- What is Brandon Williams's NPI number?
- Brandon Williams's National Provider Identifier (NPI) is 1871097436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brandon Williams's specialty?
- Brandon Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brandon Williams located?
- Brandon Williams's practice location on file with NPPES is 9850 Genesee Ave Ste 900, La Jolla, CA 92037-1220.
- What is Brandon Williams's phone number?
- The practice phone number listed in the NPPES registry for Brandon Williams is (588) 626-7780.
- Is Brandon Williams's NPI active?
- Yes — Brandon Williams's NPI (1871097436) is active in the NPPES registry as of the last update on 2021-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.