Contra Costa County
Contra Costa County holds 101 active organization NPIs in the federal registry, with practice locations in 12 California cities. Each location can bill under its own NPI.
Which NPI is yours?
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPIMartinez has the most NPIs, 44
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2006 and 2024
Source: CMS NPPES, enumeration dates.
67 NPIs were issued in 2006 alone, more than in any other year; none in 4 of the years between.
Martinez locations
The city with the most Contra Costa County NPIs. The full list of all 101 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1427138726 | 2500 ALHAMBRA AVENUE CONTRA COSTA REGIONAL MEDICAL CENTER AND HEALTH CENTERS, Martinez | General Acute Care Hospital | Oct 17, 2006 |
| 1235217423 | 597 CENTER AVE SUITE 280, Martinez | State or Local Public Health Clinic/Center | Nov 2, 2006 |
| 1376622977 | 595 CENTER AVE SUITE 100, Martinez | Health Maintenance Organization | Nov 3, 2006 |
| 1386723690 | 2500 ALHAMBRA AVE, Martinez | Non-Surgical Family Planning Clinic/Center | Nov 6, 2006 |
| 1093884488 | 2500 ALHAMBRA AVE, Martinez | Emergency Care Clinic/Center | Nov 7, 2006 |
| 1902975394 | 2500 ALHAMBRA AVE, Martinez | Family Medicine Physician | Nov 7, 2006 |
| 1578633558 | 597 CENTER AVE SUITE 150, Martinez | Non-Surgical Family Planning Clinic/Center | Nov 8, 2006 |
| 1518037597 | 2500 ALHAMBRA AVE, Martinez | Clinical Medical Laboratory | Nov 8, 2006 |
All 101 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1821177403 | 2964 MIRANDA AVE, Alamo | State or Local Public Health Clinic/Center | Nov 3, 2006 |
| 1134207673 | 2335 COUNTRY HILLS DR, Antioch | Adolescent and Children Mental Health Clinic/Center | Nov 1, 2006 |
| 1285712471 | 2335 COUNTRY HILLS DR, Antioch | Federally Qualified Health Center (FQHC) | Nov 2, 2006 |
| 1518046846 | 2335 COUNTRY HILLS DR, Antioch | Non-Surgical Family Planning Clinic/Center | Nov 6, 2006 |
| 1093885881 | 4207 DELTA FAIR BLVD, Antioch | State or Local Public Health Clinic/Center | Nov 8, 2006 |
| 1538247788 | 215 PACIFICA AVE, Bay Point | Federally Qualified Health Center (FQHC) | Nov 2, 2006 |
| 1194804401 | 215 PACIFICA AVE, Bay Point | Non-Surgical Family Planning Clinic/Center | Nov 6, 2006 |
| 1437237690 | 171 SAND CREEK RD SUITE A, Brentwood | Federally Qualified Health Center (FQHC) | Nov 2, 2006 |
| 1477632784 | 171 SAND CREEK RD SUITE A, Brentwood | Non-Surgical Family Planning Clinic/Center | Nov 6, 2006 |
| 1972677706 | 171 SAND CREEK RD SUITE A, Brentwood | State or Local Public Health Clinic/Center | Nov 20, 2006 |
| 1427276831 | 1191 CENTRAL BLVD SUITE A, ROOM 3, Brentwood | Community/Behavioral Health Agency | Apr 23, 2007 |
| 1225879471 | 12000 MARSH CREEK RD, Clayton | Pharmacy | Jun 3, 2024 |
| 1053290551 | 12000 MARSH CREEK RD, Clayton | Prison Health Clinic/Center | Aug 28, 2025 |
| 1306923446 | 2425 BISSO LN SUITES 120 AND 130, Concord | Adolescent and Children Mental Health Clinic/Center | Nov 1, 2006 |
| 1881772192 | 2425 BISSO LN SUITE 110 AND 200, Concord | Adolescent and Children Mental Health Clinic/Center | Nov 2, 2006 |
| 1518045764 | 988 OAK GROVE RD, Concord | Federally Qualified Health Center (FQHC) | Nov 2, 2006 |
| 1346328507 | 3052 WILLOW PASS RD, Concord | Federally Qualified Health Center (FQHC) | Nov 2, 2006 |
| 1407935737 | 988 OAK GROVE RD, Concord | Non-Surgical Family Planning Clinic/Center | Nov 6, 2006 |
| 1215007893 | 3052 WILLOW PASS RD, Concord | Non-Surgical Family Planning Clinic/Center | Nov 9, 2006 |
| 1023188489 | 1420 WILLOW PASS RD, Concord | Adult Mental Health Clinic/Center | Nov 9, 2006 |
| 1356413710 | 2425 BISSO LN SUITE 280, Concord | Adolescent and Children Mental Health Clinic/Center | Nov 14, 2006 |
| 1336214642 | 1860 SILVERWOOD DR, Concord | State or Local Public Health Clinic/Center | Nov 21, 2006 |
| 1205152782 | 2425 BISSO LANE SUITE 100, Concord | Mental Health Clinic/Center (Including Community Mental Health Center) | Apr 9, 2010 |
| 1235545559 | 1430 WILLOW PASS RD SUITE 100 AND 105, Concord | Adult Mental Health Clinic/Center | Jul 8, 2014 |
| 1316339609 | 4005 PORT CHICAGO HWY STE 250, Concord | Ambulance | Feb 24, 2015 |
| 1295249399 | 2047C ARNOLD INDUSTRIAL WAY, Concord | Lodging Provider | Nov 28, 2017 |
| 1659885440 | 2047D ARNOLD INDUSTRIAL WAY, Concord | Respite Care | Dec 1, 2017 |
| 1124596333 | 2600 STANWELL DR STE 104, Concord | Community/Behavioral Health Agency | Nov 6, 2018 |
| 1508435983 | 2500 BATES AVE STE B, Concord | Case Manager/Care Coordinator | Jun 21, 2021 |
| 1356081632 | 2400 BISSO LN STE 2, Concord | Counselor | Apr 1, 2022 |
| 1750162731 | 2280 DIAMOND BLVD STE 500, Concord | Adult Mental Health Clinic/Center | Oct 6, 2023 |
| 1376484675 | 1034 OAK GROVE RD STE A&C, Concord | Community/Behavioral Health Agency | Apr 2, 2026 |
| 1427138726 | 2500 ALHAMBRA AVENUE CONTRA COSTA REGIONAL MEDICAL CENTER AND HEALTH CENTERS, Martinez | General Acute Care Hospital | Oct 17, 2006 |
| 1235217423 | 597 CENTER AVE SUITE 280, Martinez | State or Local Public Health Clinic/Center | Nov 2, 2006 |
| 1376622977 | 595 CENTER AVE SUITE 100, Martinez | Health Maintenance Organization | Nov 3, 2006 |
| 1386723690 | 2500 ALHAMBRA AVE, Martinez | Non-Surgical Family Planning Clinic/Center | Nov 6, 2006 |
| 1093884488 | 2500 ALHAMBRA AVE, Martinez | Emergency Care Clinic/Center | Nov 7, 2006 |
| 1902975394 | 2500 ALHAMBRA AVE, Martinez | Family Medicine Physician | Nov 7, 2006 |
| 1578633558 | 597 CENTER AVE SUITE 150, Martinez | Non-Surgical Family Planning Clinic/Center | Nov 8, 2006 |
| 1518037597 | 2500 ALHAMBRA AVE, Martinez | Clinical Medical Laboratory | Nov 8, 2006 |
| 1932278215 | 2500 ALHAMBRA AVE, Martinez | Non-Surgical Family Planning Clinic/Center | Nov 8, 2006 |
| 1518036870 | 2500 ALHAMBRA AVE, Martinez | Emergency Care Clinic/Center | Nov 8, 2006 |
| 1679642904 | 2500 ALHAMBRA AVE, Martinez | Federally Qualified Health Center (FQHC) | Nov 8, 2006 |
| 1912077702 | 425 C ST, Martinez | Substance Use Disorder Rehabilitation Clinic/Center | Nov 8, 2006 |
| 1821168618 | 4645 PACHECO BLVD, Martinez | Substance Use Disorder Rehabilitation Clinic/Center | Nov 8, 2006 |
| 1477623205 | 2500 ALHAMBRA AVE, Martinez | General Acute Care Hospital | Nov 9, 2006 |
| 1245300938 | 2500 ALHAMBRA AVE, Martinez | Psychiatric Hospital Unit | Nov 9, 2006 |
| 1124198700 | 202 GLACIER DR, Martinez | Mental Health Clinic/Center (Including Community Mental Health Center) | Nov 9, 2006 |
| 1306916762 | 100 GLACIER DR, Martinez | Adolescent and Children Mental Health Clinic/Center | Nov 9, 2006 |
| 1942370762 | 2500 ALHAMBRA AVE, Martinez | Federally Qualified Health Center (FQHC) | Nov 9, 2006 |
| 1417027285 | 2500 ALHAMBRA AVE, Martinez | Mammography Clinic/Center | Nov 9, 2006 |
| 1467522284 | 2500 ALHAMBRA AVE, Martinez | Federally Qualified Health Center (FQHC) | Nov 9, 2006 |
| 1043381585 | 2500 ALHAMBRA AVE, Martinez | Clinical Medical Laboratory | Nov 13, 2006 |
| 1528139391 | 597 CENTER AVE SUITE 200, Martinez | State or Local Public Health Clinic/Center | Nov 13, 2006 |
| 1356413496 | 2500 ALHAMBRA AVE, Martinez | General Acute Care Hospital | Nov 14, 2006 |
| 1417029562 | 2500 ALHAMBRA AVE, Martinez | General Acute Care Hospital | Nov 14, 2006 |
| 1326110479 | 2500 ALHAMBRA AVE, Martinez | Psychiatric Hospital Unit | Nov 14, 2006 |
| 1063586899 | 597 CENTER AVE SUITE 200 A, Martinez | State or Local Public Health Clinic/Center | Nov 20, 2006 |
| 1497820203 | 2500 ALHAMBRA AVE, Martinez | General Acute Care Hospital | Nov 21, 2006 |
| 1215002530 | 2500 ALHAMBRA AVE, Martinez | Clinical Medical Laboratory | Nov 21, 2006 |
| 1427123223 | 2500 ALHAMBRA AVE, Martinez | Clinical Medical Laboratory | Nov 21, 2006 |
| 1386719086 | 2500 ALHAMBRA AVE, Martinez | General Acute Care Hospital | Nov 21, 2006 |
| 1306912241 | 2500 ALHAMBRA AVE, Martinez | Clinic/Center | Nov 24, 2006 |
| 1750509162 | 10 DOUGLAS DR SUITE 140, Martinez | Community/Behavioral Health Agency | Apr 23, 2007 |
| 1922281294 | 597 CENTER AVE SUITE 150, Martinez | State or Local Public Health Clinic/Center | Dec 10, 2007 |
| 1780852418 | 1000 WARD ST, Martinez | Public Health or Welfare Agency | Feb 15, 2008 |
| 1083041396 | 597 CENTER AVE SUITE 200 A, Martinez | State or Local Public Health Clinic/Center | Oct 1, 2013 |
| 1760982169 | 1340 ARNOLD DR STE 200, Martinez | Community/Behavioral Health Agency | Feb 13, 2018 |
| 1285393827 | 2500 ALHAMBRA AVE, Martinez | Clinic/Center | Dec 10, 2021 |
| 1477266260 | 1330 ARNOLD DR STE 140, Martinez | Community/Behavioral Health Agency | Dec 27, 2022 |
| 1245926617 | 1340 ARNOLD DR STE 200, Martinez | Community/Behavioral Health Agency | Apr 18, 2023 |
| 1033951462 | 1000 WARD ST MARTINEZ DETENTION FACILITY PHARMACY, Martinez | Pharmacy | Jun 7, 2024 |
| 1124860598 | 202 GLACIER DR, Martinez | Pharmacy | Jun 7, 2024 |
| 1265262828 | 25 ALLEN ST SUITE B, Martinez | Emergency Care Clinic/Center | Aug 7, 2024 |
| 1720967235 | 202 GLACIER DR, Martinez | Prison Health Clinic/Center | Aug 28, 2025 |
| 1114806627 | 1000 WARD ST, Martinez | Prison Health Clinic/Center | Aug 28, 2025 |
| 1043397334 | 1501 3RD ST, North Richmond | Non-Surgical Family Planning Clinic/Center | Nov 1, 2006 |
| 1447338694 | 1501 3RD ST, North Richmond | Federally Qualified Health Center (FQHC) | Nov 2, 2006 |
| 1073691598 | 2311 LOVERIDGE RD 1ST AND 2ND FLOORS, Pittsburg | Adult Mental Health Clinic/Center | Nov 1, 2006 |
| 1568540763 | 2311 LOVERIDGE RD, Pittsburg | Federally Qualified Health Center (FQHC) | Nov 2, 2006 |
| 1003995317 | 2311 LOVERIDGE RD, Pittsburg | Non-Surgical Family Planning Clinic/Center | Nov 6, 2006 |
| 1447320429 | 2311 LOVERIDGE RD, Pittsburg | Clinical Medical Laboratory | Nov 8, 2006 |
| 1760552558 | 2311 LOVERIDGE RD, Pittsburg | State or Local Public Health Clinic/Center | Nov 8, 2006 |
| 1477470722 | 2101 LOVERIDGE RD, Pittsburg | Lodging Provider | Jun 29, 2026 |
| 1447509351 | 391 TAYLOR BLVD STE 100, Pleasant Hill | Adolescent and Children Mental Health Clinic/Center | Sep 6, 2012 |
| 1558829820 | 395 TAYLOR BLVD STE 200, Pleasant Hill | Adolescent and Children Mental Health Clinic/Center | Mar 6, 2019 |
| 1952489270 | 256 24TH ST, Richmond | Adult Mental Health Clinic/Center | Nov 2, 2006 |
| 1306910138 | 100 38TH ST, Richmond | State or Local Public Health Clinic/Center | Nov 20, 2006 |
| 1467966259 | 847 BROOKSIDE DR STE C, Richmond | Lodging Provider | Dec 1, 2017 |
| 1093229882 | 845B BROOKSIDE DR, Richmond | Lodging Provider | Dec 1, 2017 |
| 1962062745 | 3211 AUTO PLZ STE A, Richmond | Adolescent and Children Mental Health Clinic/Center | Jun 14, 2019 |
| 1356182786 | 5555 GIANT HWY, Richmond | Pharmacy | May 31, 2024 |
| 1013896521 | 5555 GIANT HWY, Richmond | Prison Health Clinic/Center | Aug 28, 2025 |
| 1962587071 | 13601 SAN PABLO AVE, San Pablo | Federally Qualified Health Center (FQHC) | Oct 26, 2006 |
| 1376620336 | 13585 SAN PABLO AVENUE 2ND FLOOR, San Pablo | Adult Mental Health Clinic/Center | Nov 1, 2006 |
| 1417036484 | 13601 SAN PABLO AVE, San Pablo | Non-Surgical Family Planning Clinic/Center | Nov 2, 2006 |
| 1285713875 | 1777 SANFORD AVE, San Pablo | Rehabilitation Clinic/Center | Nov 3, 2006 |
| 1295805083 | 2523 EL PORTAL DR, San Pablo | Substance Use Disorder Rehabilitation Clinic/Center | Nov 8, 2006 |
| 1508936188 | 13585 SAN PABLO AVENUE 1ST FLOOR, San Pablo | Adolescent and Children Mental Health Clinic/Center | Nov 9, 2006 |
| 1104996875 | 13601 SAN PABLO AVE, San Pablo | Mammography Clinic/Center | Nov 9, 2006 |
| 1770654659 | 13601 SAN PABLO AVE, San Pablo | Clinical Medical Laboratory | Nov 13, 2006 |
Related names
- Contra Costa County Health Services · 2 NPIs
- Contra Costa County Behavioral Health · 1 NPI
- Contra Costa County Employment And Human Services-Community Services B · 1 NPI
- Contra Costa County Office Of Education · 1 NPI
- Contra Costa County Office On Aging · 1 NPI
- Contra Costa County Public Defender · 1 NPI
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Contra Costa County have 101 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Contra Costa County's NPIs list practice locations in 12 cities.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.