1. Home
  2. Directory
  3. California
  4. Ventura
  5. Family Medicine
  6. NPI Profile

PRIMARY MEDICAL GROUP OF VENTURA COUNTY INC
NPI 1417970849
Family Medicine in Ventura, CA

Active since July 26, 2006CLIA Certified · 5 labs
2772 JOHNSON DR STE 200, VENTURA, CA 93003(805) 642-1430(833) 916-2135 Get Directions Write a Review

NPPES record last updated: January 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 30, 2024, Jul 15, 2024, Aug 6, 2020 (3 updates tracked since 2020).

About Primary Medical Group Of Ventura County Inc NPPES

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

PRIMARY MEDICAL GROUP OF VENTURA COUNTY INC (NPI 1417970849) is a healthcare organization registered as a family medicine in Ventura, California and active in the NPI registry since July 2006. The organization holds 5 active CLIA laboratory certificates, maintains 9 additional practice locations, and lists Denise Cain, Vp Revenue Cycle, Credentialing, as its authorized official.

NPPES Registry Identity

NPI1417970849
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NamePRIMARY MEDICAL GROUP OF VENTURA COUNTY INC
Location Address2772 JOHNSON DR STE 200Ventura, CA 93003-7262
Mailing Address26 S Garden St Ste 1Ventura, CA 93001-4521 · (805) 507-2225 · Fax (805) 642-1436
Phone(805) 642-1430
Fax(833) 916-2135
Organization SubpartNo
Authorized OfficialDenise CainVp Revenue Cycle, Credentialing · (951) 677-4193
Enumeration DateJuly 26, 2006
Last NPPES UpdateJanuary 16, 20253 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2025
✔ NPI 1417970849 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
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.
2772 JOHNSON DR STE 200, Ventura, CA 93003
Open in Google Maps ↗

Secondary Practice Locations 9

Location 110885 Telegraph RdVentura, CA 93004-1272 · Phone (805) 647-7704
Location 2570 W Main StSanta Paula, CA 93060-3209 · Phone (805) 507-2242
Location 3888 W Ventura Blvd Ste ACamarillo, CA 93010-8803 · Phone (805) 383-7701
Location 43555 Loma Vista Rd Ste 110Ventura, CA 93003-3161 · Phone (805) 652-5252
Location 5117 Pirie Rd Ste DOjai, CA 93023-3166 · Phone (805) 646-7246
Location 66 S Garden St Ste IVentura, CA 93001 · Phone (805) 507-2225
Location 72772 Johnson Dr Ste 200Ventura, CA 93003-7262 · Phone (805) 642-1430
Location 81751 Lombard St # AOxnard, CA 93030-8266 · Phone (805) 981-9111
Location 91901 Outlet Center Dr Ste 200Oxnard, CA 93036-0666 · Phone (805) 981-8300

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Primary Medical Group Of Ventura County Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

60

Medicare enrollment records show 60 clinicians reassign Medicare billing to Primary Medical Group Of Ventura County Inc, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 39 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 7

Family Practice26
Nurse Practitioner19
Internal Medicine10
Osteopathic Manipulative Medicine2
Clinical Psychologist1
Endocrinology1
Pediatric Medicine1

Nearest to this location (20)

See all 60
Barbara Holdsworth, FNP
Nurse Practitioner
NPI 1477747186
2772 JOHNSON DR
Ventura, CA 93003
(805) 642-1430
✔ PECOS✔ Accepts MedicareSame address
Nalleli Maldonado, NP
Nurse Practitioner
NPI 1588405948
2772 JOHNSON DR STE 200
Ventura, CA 93003
(805) 642-1430
✔ PECOS✔ Accepts MedicareSame address
Carlie Corse, FNP-C
Nurse Practitioner
NPI 1023521887
2772 JOHNSON DR STE 100
Ventura, CA 93003
(805) 642-1430
✔ PECOSSame address
Maria Barrell, DO
Family Practice
NPI 1831415736
2772 JOHNSON DR STE 100
Ventura, CA 93003
(805) 642-1430
✔ PECOS✔ Accepts MedicareSame address
Lauren Ficks
Endocrinology
NPI 1609912666
2772 JOHNSON DR STE 200
Ventura, CA 93003
(805) 642-1430
✔ PECOS✔ Accepts MedicareSame address
Matthew Westfall, DO
Family Practice
NPI 1609361427
2772 JOHNSON DR STE 100
Ventura, CA 93003
(805) 642-1430
✔ PECOS✔ Accepts MedicareSame address
Sharon Agacite, DNP, FNP-BC
Nurse Practitioner
NPI 1508190380
1200 W GONZALES RD STE 300
Oxnard, CA 93036
(805) 983-0691
✔ PECOS✔ Accepts Medicare2.1 mi
Brian Tamura, M.D.
Family Practice
NPI 1720080682
1100 N VENTURA RD SUITE 105
Oxnard, CA 93030
(805) 983-0897
✔ PECOS2.5 mi
Jack Shenouda, M.D.
Internal Medicine
NPI 1023247822
1600 N ROSE AVE
Oxnard, CA 93030
(717) 577-3938
✔ PECOS✔ Accepts Medicare3.2 mi
Victor Alcocer, M.D.
Internal Medicine
NPI 1023171162
1901 OUTLET CENTER DR STE 200
Oxnard, CA 93036
(805) 981-8300
✔ PECOS✔ Accepts Medicare3.4 mi
Sergio Neira, M.D.
Internal Medicine
NPI 1043373194
1901 OUTLET CENTER DR STE 200
Oxnard, CA 93036
(805) 981-8300
✔ PECOS✔ Accepts Medicare3.4 mi
Jennifer Neira, R.N.
Nurse Practitioner
NPI 1659792752
1901 OUTLET CENTER DR
Oxnard, CA 93036
(805) 981-8300
✔ PECOS✔ Accepts Medicare3.4 mi
Paul Algra, D.O.
Family Practice
NPI 1598076424
1751 LOMBARD STREET #A
Oxnard, CA 93030
(805) 981-9111
✔ PECOS✔ Accepts Medicare3.4 mi
Sue Houx, FNP
Nurse Practitioner
NPI 1457465072
1751 LOMBARD ST
Oxnard, CA 93030
(805) 981-9111
✔ PECOS✔ Accepts Medicare3.4 mi
Flor Mounts, M.D.
Family Practice
NPI 1114293313
1751 LOMBARD ST STE A
Oxnard, CA 93030
(805) 981-9111
✔ PECOS✔ Accepts Medicare3.4 mi
Gregorio Ruelas, M.D.
Family Practice
NPI 1447441092
1751 LOMBARD ST
Oxnard, CA 93030
(805) 981-9111
✔ PECOS✔ Accepts Medicare3.4 mi
Mana Lazzarotto, DO
Osteopathic Manipulative Medicine
NPI 1598115677
3555 LOMA VISTA RD STE 110
Ventura, CA 93003
(805) 653-0303
✔ PECOS✔ Accepts Medicare3.5 mi
Colette Frena, NP
Nurse Practitioner
NPI 1023137247
3555 LOMA VISTA RD STE 110
Ventura, CA 93003
(805) 653-0303
✔ PECOS✔ Accepts Medicare3.5 mi
Traci Williams, M.D.
Pediatric Medicine
NPI 1043233620
2953 TELEGRAPH RD
Ventura, CA 93003
(805) 652-5252
✔ PECOS✔ Accepts Medicare3.8 mi
Dana Jennings, M.D.
Internal Medicine
NPI 1376644989
227 N DOS CAMINOS AVE
Ventura, CA 93003
(805) 914-5808
✔ PECOS✔ Accepts Medicare3.9 mi
See all 60 clinicians

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 5

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 05D2187281

Primary Medical Group · Camarillo, CA
Active · expires Jun 28, 2028
CLIA Number05D2187281
Laboratory TypePhysician Office
Certificate Effective DateJune 29, 2026
Certificate Expiration DateJune 28, 2028
Laboratory DirectorSherilyn Wheaton
Laboratory Phone(805) 383-7701
Laboratory LocationPrimary Medical Group888 W Ventura Blvd Ste A, Camarillo, CA 93010
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2191017

Primary Medical Group · Santa Paula, CA
Active · expires Aug 20, 2028
CLIA Number05D2191017
Laboratory TypePhysician Office
Certificate Effective DateAugust 21, 2026
Certificate Expiration DateAugust 20, 2028
Laboratory DirectorSherilyn Wheaton
Laboratory Phone(805) 547-2242
Laboratory LocationPrimary Medical Group570 W Main Street, Santa Paula, CA 93060
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2185953

Primary Medical Group · Ventura, CA
Active · expires Jun 10, 2028
CLIA Number05D2185953
Laboratory TypePhysician Office
Certificate Effective DateJune 11, 2026
Certificate Expiration DateJune 10, 2028
Laboratory DirectorUldine Castel
Laboratory Phone(805) 642-1430
Laboratory LocationPrimary Medical Group2772 Johnson Drive #200, Ventura, CA 93003
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2185955

Primary Medical Group · Oxnard, CA
Active · expires Jun 10, 2028
CLIA Number05D2185955
Laboratory TypePhysician Office
Certificate Effective DateJune 11, 2026
Certificate Expiration DateJune 10, 2028
Laboratory DirectorUldine Castel
Laboratory Phone(805) 981-9111
Laboratory LocationPrimary Medical Group1751 Lombard St Ste A, Oxnard, CA 93030
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2185957

Primary Medical Group Inc · Ventura, CA
Active · expires Jun 10, 2028
CLIA Number05D2185957
Laboratory TypePhysician Office
Certificate Effective DateJune 11, 2026
Certificate Expiration DateJune 10, 2028
Laboratory DirectorSherilyn C. Wheaton
Laboratory Phone(805) 642-1430
Laboratory LocationPrimary Medical Group Inc3555 Loma Vista Road #110, Ventura, CA 93003
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Primary Medical Group Of Ventura County Inc's NPI number?

The NPI number for Primary Medical Group Of Ventura County Inc is 1417970849. It was assigned to this organization in the NPPES registry on July 26, 2006.

Where is Primary Medical Group Of Ventura County Inc located?

Primary Medical Group Of Ventura County Inc is located at 2772 Johnson Dr Ste 200, Ventura, CA 93003. The listed phone number is (805) 642-1430.

What is Primary Medical Group Of Ventura County Inc's specialty?

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

Is Primary Medical Group Of Ventura County Inc enrolled in Medicare?

Yes. Primary Medical Group Of Ventura County Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Primary Medical Group Of Ventura County Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 60 clinicians in 7 Medicare specialties reassign their Medicare billing to Primary Medical Group Of Ventura County 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 (26), Nurse Practitioner (19) and Internal Medicine (10). Of these, 6 practice at this address and 39 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Primary Medical Group Of Ventura County Inc hold CLIA laboratory certificates?

Yes. 5 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.

When was this NPI record last updated?

The NPPES record for Primary Medical Group Of Ventura County Inc was last updated on January 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.