CASTLE FAMILY HEALTH CENTERS INC.
NPI 1497778443
Clinic/Center - Federally Qualified Health Center (FQHC) in Atwater, CA

Active since July 25, 2006
1251 GROVE AVENUE, ATWATER, CA 95301(209) 381-2000(209) 722-9020 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 27, 2026, May 25, 2023 (2 updates tracked since 2023).

About Castle Family Health Centers Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CASTLE FAMILY HEALTH CENTERS INC. (NPI 1497778443) is a healthcare organization registered as a federally qualified health center (fqhc) in Atwater, California and active in the NPI registry since July 2006. The organization lists Peter Mojarras, Ceo, as its authorized official.

NPPES Registry Identity

NPI1497778443
Entity TypeOrganization
Primary Taxonomy261QF0400X
Legal Business NameCASTLE FAMILY HEALTH CENTERS INC.
Location Address1251 GROVE AVENUEAtwater, CA 95301
Mailing Address3605 Hospital RoadAtwater, CA 95301 · (209) 381-2000 · Fax (209) 722-9020
Fax(209) 722-9020
Organization SubpartNo
Authorized OfficialPeter MojarrasCeo · (209) 381-2000
Enumeration DateJuly 25, 2006
Last NPPES UpdateJuly 27, 20262 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1497778443 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Federally Qualified Health Center (FQHC)Ambulatory Health Care Facilities
Taxonomy Code261QF0400X
Also ListedClinic/Center · Rural HealthTaxonomy 261QR1300X
1251 GROVE AVENUE, Atwater, CA 95301

Other Names 1

Other NameCastle Family Health Center At Bloss

Other Identifiers 1

MedicaidRHM03997FCA

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Castle Family Health Centers Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

18

Medicare enrollment records show 18 clinicians reassign Medicare billing to Castle Family Health Centers Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 11 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 8

Family Practice5
Nurse Practitioner5
Obstetrics/Gynecology3
Endocrinology1
General Practice1
Internal Medicine1
Optometry1
Pediatric Medicine1

Clinicians, nearest first (18)

Obstetrics/Gynecology
NPI 1679544662
1251 GROVE AVE
Atwater, CA 95301
(209) 357-2099
✔ PECOSSame address
Family Practice
NPI 1477992584
6029 N WINTON WAY
Winton, CA 95388
(209) 357-7755
✔ PECOS✔ Accepts Medicare1.7 mi
Family Practice
NPI 1861839151
3605 HOSPITAL RD
Atwater, CA 95301
(209) 381-2000
✔ PECOS✔ Accepts Medicare2.0 mi
Family Practice
NPI 1215040563
3605 HOSPITAL RD
Atwater, CA 95301
(209) 381-2000
✔ PECOS✔ Accepts Medicare2.0 mi
Nurse Practitioner
NPI 1073036380
3605 HOSPITAL RD
Atwater, CA 95301
(209) 726-1235
✔ PECOS2.0 mi
Nurse Practitioner
NPI 1932737921
3605 HOSPITAL RD
Atwater, CA 95301
(209) 381-2000
✔ PECOS2.0 mi
Nurse Practitioner
NPI 1144858135
3605 HOSPITAL RD
Atwater, CA 95301
(209) 358-8425
✔ PECOS2.0 mi
Family Practice
NPI 1861502239
1140 MAIN ST
Livingston, CA 95334
(209) 394-7913
✔ PECOS✔ Accepts Medicare6.7 mi
Nurse Practitioner
NPI 1760920391
936 W MAIN ST
Merced, CA 95340
(209) 383-5200
✔ PECOS✔ Accepts Medicare7.2 mi
Endocrinology
NPI 1437224946
750 W OLIVE AVE SUITE 102
Merced, CA 95348
(209) 723-0011
✔ PECOS7.3 mi
Obstetrics/Gynecology
NPI 1871512400
700 W OLIVE AVE SUITE H
Merced, CA 95348
(209) 384-5855
✔ PECOS7.4 mi
Nurse Practitioner
NPI 1265969935
1405 CALIFORNIA AVE
Dos Palos, CA 93620
(209) 392-2111
✔ PECOS25 mi
Internal Medicine
NPI 1558411322
1401 SPANOS CT 207
Modesto, CA 95355
(209) 544-3400
✔ PECOS✔ Accepts Medicare30 mi
Obstetrics/Gynecology
NPI 1780611509
1999 MOWRY AVE
Fremont, CA 94538
(510) 770-8040
✔ PECOS77 mi
Family Practice
NPI 1336361328
2020 J ST
Sacramento, CA 95814
(916) 341-0575
✔ PECOS✔ Accepts Medicare98 mi
Pediatric Medicine
NPI 1043238454
150 TEJAS PL
Nipomo, CA 93444
(805) 929-3211
✔ PECOS160 mi
General Practice
NPI 1760483549
900 MAIN ST
Brawley, CA 92227
(760) 344-6471
✔ PECOS416 mi
Optometry
NPI 1609914332
9531 S CICERO AVE
Oak Lawn, IL 60453
(708) 423-2020
✔ PECOS1,770 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Castle Family Health Centers Inc.'s NPI number?

The NPI number for Castle Family Health Centers Inc. is 1497778443. It was assigned to this organization in the NPPES registry on July 25, 2006. The provider is also known as Castle Family Health Center at Bloss.

Where is Castle Family Health Centers Inc. located?

Castle Family Health Centers Inc. is located at 1251 Grove Avenue, Atwater, CA 95301. The listed phone number is (209) 381-2000.

What is Castle Family Health Centers Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.

Is Castle Family Health Centers Inc. enrolled in Medicare?

Yes. Castle Family Health Centers Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Castle Family Health Centers Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 18 clinicians in 8 Medicare specialties reassign their Medicare billing to Castle Family Health Centers Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Family Practice (5), Nurse Practitioner (5) and Obstetrics/Gynecology (3). Of these, 1 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Castle Family Health Centers Inc. was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.