Internal Medicine Providers in California

207R00000X California
29,983Providers in state
5,303Organizations
24,680Individuals
1/300Page

A directory of 29,983 health care providers with a business address in California whose primary or secondary taxonomy code is 207R00000X (Internal Medicine). You are viewing page 1 of 300, which lists 90 of these providers: 32 organizations and 58 individual providers, of whom 22 are female and 36 are male. On this page, 52 are enrolled in PECOS and 35 accept Medicare assignment. About taxonomy code 207R00000X ›

California Internal Medicine Directory

Showing 90 providers on page 1 of 300, sorted by last name / organization name. Use the bar below to filter the providers on this page.

No PECOS
12598 CENTRAL AVE, SUITE 112
Chino, CA 91710
  • Not in PECOS data
  • Organization · Internal Medicine
No PECOS
9041 MAGNOLIA AVE, SUITE 302
Riverside, CA 92503
  • Not in PECOS data
  • Organization · Internal Medicine
3555 CESAR CHAVEZ
San Francisco, CA 94110
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
2200 OFARRELL ST
San Francisco, CA 94115
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
1020 29TH ST, SUITE 480
Sacramento, CA 95816
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
6601 WHITE FEATHER RD
Joshua Tree, CA 92252
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
PECOS
2190 LYNN RD STE 300
Thousand Oaks, CA 91360
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
1541 FLORIDA AVE, SUITE 200
Modesto, CA 95350
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
9961 SIERRA AVE FL MOB26
Fontana, CA 92335
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
PECOS
795 EL CAMINO REAL
Palo Alto, CA 94301
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
8010 WILLOW GLEN RD
Los Angeles, CA 90046
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
39000 BOB HOPE DR
Rancho Mirage, CA 92270
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
300 PASTEUR DR
Stanford, CA 94305
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
80 E HILLCREST DR STE 102
Thousand Oaks, CA 91360
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Cardiovascular Disease
2505 W HAMMER LN
Stockton, CA 95209
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
200 JOSE FIGUERES AVE STE 480
San Jose, CA 95116
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Rheumatology
2501 E CHAPMAN AVE
Orange, CA 92869
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
7334 GIRARD AVE #203
La Jolla, CA 92037
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
7334 GIRARD AVE, SUITE 203
La Jolla, CA 92037
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
2767 OLIVE HWY
Oroville, CA 95966
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
1001 POTRERO AVE
San Francisco, CA 94110
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
4501 SAND CREEK RD
Antioch, CA 94531
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
10884 SANTA MONICA BLVD, 3RD FLOOR
Los Angeles, CA 90025
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
12462 BROOKHURST ST STE A&B
Garden Grove, CA 92840
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Pulmonary Disease
6442 PLATT AVE # 715
West Hills, CA 91307
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
11550 INDIAN HILLS RD, SUITE 371
Mission Hills, CA 91345
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Nephrology
632 W GIBSON RD
Woodland, CA 95695
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Hospitalist
12021 WILMINGTON AVE STE 1000
Los Angeles, CA 90059
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
10060 TIMBERLINE CT
San Diego, CA 92131
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
170 ALAMEDA DE LAS PULGAS # CA
Redwood City, CA 94062
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
1310 W STEWART DR, SUITE 410
Orange, CA 92868
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
2823 FRESNO ST
Fresno, CA 93721
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Critical Care Medicine
9400 ROSECRANS AVE
Bellflower, CA 90706
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
3475 TORRANCE BLVD STE A
Torrance, CA 90503
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Interventional Cardiology
11234 ANDERSON ST, GME OFFICE WESTERLY SUITE C
Loma Linda, CA 92354
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
5750 DOWNEY AVE SUITE201
Lakewood, CA 90712
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
1700 MOUNT VERNON AVE
Bakersfield, CA 93306
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
1520 STOCKTON ST
San Francisco, CA 94133
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Rheumatology
200 MEDICAL PLAZA SUITE 365C
Los Angeles, CA 90095
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Nephrology
1411 E 31ST ST, 2ND FLR A2
Oakland, CA 94602
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
2841 LOMITA BLVD STE 235
Torrance, CA 90505
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Critical Care Medicine
No PECOS
200 UCLA MEDICAL PLZ
Los Angeles, CA 90095
  • Not in PECOS data
  • Individual · Internal Medicine

Frequently Asked Questions

As of the latest NPPES update, 29,983 providers in California are registered under taxonomy code 207R00000X (Internal Medicine). Of these, 5,303 (18%) are organizations and 24,680 (82%) are individual providers. Among the individual providers, 10,471 are female and 14,207 are male. The full directory spans 300 pages of up to 100 providers each.

Each card shows a PECOS badge based on the CMS Order and Referring dataset. A green PECOS badge means the provider appears in that dataset as eligible to order and refer. Open the provider profile, then verify directly in PECOS before relying on it for claims or credentialing.

The directory is rebuilt from the public NPPES registry, which is refreshed weekly. The NPI data on this page was last updated on June 28, 2026. A provider that recently updated their record may take a short time to appear here.

Provider Composition & Statistics

29,983Total providers
5,303Organizations 18%
24,680Individuals 82%
10,471Female
14,207Male
18% Organizations82% Individuals

Among individual providers:

42% F58% M

Counts reflect California. Gender is recorded for individual providers only. Source: NPPES.

Provider data from the National Plan and Provider Enumeration System (NPPES), refreshed weekly. PECOS status from the CMS Medicare Order and Referring dataset. Taxonomy from the NUCC code set, Version 25.1.