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JOHN C FREMONT HLTHCARE RHC
NPI 1043433568
Family Medicine in Mariposa, CA

Active since April 11, 2007CLIA Certified · 2 labs
2/5
Patient Care Rating
5186 HOSPITAL RD, MARIPOSA, CA 95338(209) 966-3631(209) 966-3776 Get Directions Write a Review

NPPES record last updated: February 8, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About John C Fremont Hlthcare Rhc NPPES

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

JOHN C FREMONT HLTHCARE RHC (NPI 1043433568) is a healthcare organization registered as a family medicine in Mariposa, California and active in the NPI registry since April 2007. The organization holds 2 active CLIA laboratory certificates and lists Matthew A Mathiessen, Ceo, as its authorized official.

NPPES Registry Identity

NPI1043433568
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameJOHN C. FREMONT HEALTHCARE DISTRICT
Location Address5186 HOSPITAL RDMariposa, CA 95338-9524
Mailing AddressPo Box 216Mariposa, CA 95338-0216 · (209) 966-3631 · Fax (209) 966-3776
Phone(209) 966-3631
Fax(209) 966-3776
Organization SubpartNo
Authorized OfficialMatthew A MathiessenCeo · (209) 966-3631
Enumeration DateApril 11, 2007
Last NPPES UpdateFebruary 8, 2021
NPPES CertifiedFebruary 5, 2021
✔ NPI 1043433568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · 040000108
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
5186 HOSPITAL RD, Mariposa, CA 95338
Open in Google Maps ↗

Other Names 1

Doing Business AsJohn C Fremont Hlthcare Rhc

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John C Fremont Hlthcare Rhc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

20

Medicare enrollment records show 20 clinicians reassign Medicare billing to John C Fremont Hlthcare Rhc, which bills Medicare for the services they deliver. Of these, 5 practice within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 13

Family Practice4
Nurse Practitioner4
Internal Medicine2
Cardiovascular Disease (Cardiology)1
Clinical Psychologist1
Clinical Social Worker1
Emergency Medicine1
Gastroenterology1
5 other specialties5

Clinicians, nearest first (20)

Kristen Fournier, FNP
Nurse Practitioner
NPI 1023983830
5189 HOSPITAL RD
Mariposa, CA 95338
(209) 966-3631
✔ PECOS✔ Accepts Medicare0.1 mi
Robert Horvat, MD, PHD
Internal Medicine
NPI 1841279668
5189 HOSPITAL RD
Mariposa, CA 95338
(209) 966-2154
✔ PECOS0.1 mi
Kenneth Smith, MD
Emergency Medicine
NPI 1285725937
5189 HOSPITAL RD
Mariposa, CA 95338
(209) 966-3631
✔ PECOS✔ Accepts Medicare0.1 mi
Robert Rose, MD
Family Practice
NPI 1629085873
5300 HIGHWAY 49 NORTH
Mariposa, CA 95338
(209) 966-3672
✔ PECOS0.4 mi
Paula Ploof, LCSW
Clinical Social Worker
NPI 1740538818
5109 JESSIE ST UNIT 2184
Mariposa, CA 95338
(860) 249-4969
✔ PECOS✔ Accepts Medicare0.9 mi
Albert Col, M.D.
Family Practice
NPI 1952411266
3385 G ST SUITE A
Merced, CA 95340
(209) 725-3122
✔ PECOS✔ Accepts Medicare27 mi
Meghal Parikh, MD
Rheumatology
NPI 1922115856
2908 G ST STE C
Merced, CA 95340
(209) 812-1444
✔ PECOS✔ Accepts Medicare27 mi
Atulkumar Roy, M.D.
Nephrology
NPI 1467496505
1140 OLIVEWOOD DR
Merced, CA 95348
(209) 725-2121
✔ PECOS✔ Accepts Medicare31 mi
Lisa Baker
Nurse Practitioner
NPI 1205489903
3064 CLARET CIR
Atwater, CA 95301
(559) 676-5911
✔ PECOS✔ Accepts Medicare36 mi
Jatinder Kaur Sidhu, NP
Nurse Practitioner
NPI 1073232484
344 E 6TH ST
Madera, CA 93638
(559) 313-7153
✔ PECOS✔ Accepts Medicare37 mi
Claude Schutz, DPM
Podiatry
NPI 1679547020
1332 W HERNDON AVE SUITE 100
Fresno, CA 93711
(559) 227-3338
✔ PECOS47 mi
Surinder Sandhu, MD
Cardiovascular Disease (Cardiology)
NPI 1669497137
7035 N MAPLE AVE SUITE 103
Fresno, CA 93720
(559) 324-0111
✔ PECOS✔ Accepts Medicare47 mi
Richard Granese, M.D.
Psychiatry
NPI 1437175189
2719 N AIR FRESNO DR
Fresno, CA 93727
(714) 532-6811
✔ PECOS✔ Accepts Medicare52 mi
Shahin Laghaee, MD
Gastroenterology
NPI 1487611026
250 S OAK AVE BUILDING A SUITE 3
Oakdale, CA 95361
(209) 575-4575
✔ PECOS✔ Accepts Medicare52 mi
Loveneet Singh, M.D.
Neurology
NPI 1952560377
2335 E KASHIAN LN SUITE 301
Fresno, CA 93701
(559) 264-9100
✔ PECOS✔ Accepts Medicare53 mi
Mimi Carter, M.D.
Family Practice
NPI 1932328713
1020 29TH ST SUITE 480
Sacramento, CA 95816
(916) 733-3777
✔ PECOS✔ Accepts Medicare110 mi
Joanna Eveland
Family Practice
NPI 1477790715
2500 ALHAMBRA AVE
Martinez, CA 94553
(925) 370-5110
✔ PECOS✔ Accepts Medicare123 mi
Brian Licuanan, PHD
Clinical Psychologist
NPI 1508241779
17 HERRINGBONE
Irvine, CA 92620
(714) 469-1418
✔ PECOS✔ Accepts Medicare291 mi
Allana Bush, NP-C, RN
Nurse Practitioner
NPI 1972189975
1025 W EVERETT RD STE 2
Lake Forest, IL 60045
(224) 436-8006
✔ PECOS1,727 mi
Jasman Atwal, MD
Internal Medicine
NPI 1134617103
7901 BROADWAY A1-16
Elmhurst, NY 11373
(718) 334-2488
✔ PECOS✔ Accepts Medicare2,458 mi

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

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1079394

John C Fremont Healthcare District Northside Clinic · Coulterville, CA
Active · expires Jan 29, 2028
CLIA Number05D1079394
Laboratory TypeRural Health Clinic
Certificate Effective DateJanuary 30, 2026
Certificate Expiration DateJanuary 29, 2028
Laboratory DirectorLinda P. Veneman
Laboratory Phone(209) 966-3631
Laboratory LocationJohn C Fremont Healthcare District Northside Clinic6386 Greeley Hill Road, Coulterville, CA 95311
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Compliance 05D0610033

John C Fremont Healthcare District · Mariposa, CA
Active · expires Dec 1, 2026
CLIA Number05D0610033
Laboratory TypeHospital
Certificate Effective DateDecember 2, 2024
Certificate Expiration DateDecember 1, 2026
Laboratory DirectorDr. Linda P. Veneman
Laboratory Phone(209) 966-3631
Laboratory LocationJohn C Fremont Healthcare District5189 Hospital Rd, Mariposa, CA 95338
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Home Health Quality Ratings CMS Care Compare

Quality ratings, patient care measures and outcomes for John C Fremont H C Dist Hha (CMS certification number 057234), from CMS Care Compare.

John C Fremont H C Dist Hha

Home health agency · Mariposa, CA
2/5 Quality of Patient Care
OwnershipGovernment Operated
CMS Certification Number057234
Medicare-Certified SinceOctober 1, 1979
Phone(209) 966-3800
Services Offered
Skilled nursing care Physical therapy Speech-language pathology Medical social services Home health aide services

Patient Care Measures

Patients whose home health care began in a timely manner
87.6%
Patients who got better at walking or moving around
54.2%
Patients who got better at getting in and out of bed
76.8%
Patients who got better at bathing
69.6%
Patients whose breathing improved
79.1%
Patients who got better at taking their drugs correctly by mouth
65.2%
Patients checked for a flu shot for the current season
41.8%
Physician-recommended actions on medication issues completed on time
100%
Patients with a functional assessment and care plan at admission and discharge
100%
Patients experiencing one or more falls with major injury
Lower rates are better for this measure.
2.1%
New or worsened pressure ulcers or injuries (skin integrity)
Lower rates are better for this measure.
1.7%
Measure rates are from the CMS Care Compare home health data. Measures without current CMS data are not shown.

Discharge, Readmission & Medicare Spending

Patients discharged to the community, remaining home without unplanned hospital care
83 of 124 patient episodes · observed rate 66.94%
76.11% Same As National Rate
Potentially preventable hospital readmissions after discharge
108 patient stays · observed rate 3.7%
Lower rates are better for this measure.
3.83% Same As National Rate
Medicare spending per episode of care, relative to the national average
1.00 = national average per episode of care · based on 179 episodes
1.06
Risk-standardized rates account for differences in patient mix. Comparison labels are assigned by CMS.

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 John C. Fremont Healthcare District's NPI number?

The NPI number for John C. Fremont Healthcare District is 1043433568. It was assigned to this organization in the NPPES registry on April 11, 2007. The provider is doing business as John C Fremont Hlthcare Rhc.

Where is John C. Fremont Healthcare District located?

John C. Fremont Healthcare District is located at 5186 Hospital Rd, Mariposa, CA 95338. The listed phone number is (209) 966-3631.

What is John C. Fremont Healthcare District's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is John C. Fremont Healthcare District enrolled in Medicare?

Yes. John C. Fremont Healthcare District is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through John C. Fremont Healthcare District?

According to the CMS Revalidation Reassignment List (October 2026 release), 20 clinicians in 13 Medicare specialties reassign their Medicare billing to John C. Fremont Healthcare District. 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 (4), Nurse Practitioner (4) and Internal Medicine (2). Of these, 5 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does John C. Fremont Healthcare District hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

Is John C. Fremont Healthcare District a Medicare-certified home health agency?

Yes. John C Fremont H C Dist Hha is a Medicare-certified home health agency, certified since October 1, 1979.

What quality rating does John C. Fremont Healthcare District have?

CMS rates John C Fremont H C Dist Hha 2 out of 5 stars for quality of patient care on Care Compare. The full measure detail is in the Home Health Quality Ratings section above.

When was this NPI record last updated?

The NPPES record for John C. Fremont Healthcare District was last updated on February 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.