Doctor profile · Federal record

Dr. Brandon Williams, MD

Internal Medicine Physician · La Jolla, CA

  • NPI 1871097436
  • 8 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9850 Genesee Ave Ste 900
La Jolla, CA 920371220
(588) 626-7780
fax (858) 626-4804
Mailing address
4610 El Nido, #367
Rancho Santa Fe, CA 92067

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
July 27, 2021
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A163743

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871097436. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
180
Distinct HCPCS
2
Medicare allowed
$32,938
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 163 161 $179
99291 Critical care, first 30-74 minutes 17 17 $218

In context: peer comparison

Among 33 peers in La Jolla Internal Medicine Physician, average services per provider: 105. This provider delivers 1.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Brandon Williams's medical specialty?
Dr. Brandon Williams practices Internal Medicine Physician in La Jolla, CA.
Where does Dr. Brandon Williams practice?
Dr. Brandon Williams practices at 9850 Genesee Ave Ste 900, La Jolla, CA 920371220. Office phone: 5886267780.
What is Dr. Brandon Williams's NPI?
Dr. Brandon Williams's National Provider Identifier (NPI) is 1871097436, issued by NPPES.
What procedures does Dr. Brandon Williams commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.