LOMA VISTA ENDOCRINOLOGY, INC.
NPI 1225494636
Internal Medicine - Endocrinology, Diabetes & Metabolism in Ventura, CA

Q: What is Loma Vista Endocrinology, Inc.'s NPI number?

The NPI number for Loma Vista Endocrinology, Inc. is 1225494636. It was assigned to this organization in the NPPES registry on January 14, 2016.

Q: What is Loma Vista Endocrinology, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Active since January 14, 2016

3555 LOMA VISTA RD STE 100, VENTURA, CA 93003(805) 259-1356(805) 259-1357 Get Directions Write a Review

NPPES record last updated: May 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 15, 2024, Feb 10, 2016, Jan 14, 2016 (3 updates tracked since 2016).

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About Loma Vista Endocrinology, Inc. NPPES

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

LOMA VISTA ENDOCRINOLOGY, INC. (NPI 1225494636) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Ventura, California and active in the NPI registry since January 2016. The organization lists Tricia Lyn Westhoff-prankratz, Owner, as its authorized official.

NPPES Registry Identity

NPI1225494636

Entity TypeOrganization

Primary Taxonomy207RE0101X

Legal Business NameLOMA VISTA ENDOCRINOLOGY, INC.

Location Address3555 LOMA VISTA RD STE 100Ventura, CA 93003-3161

Mailing Address3555 Loma Vista Rd Ste 100Ventura, CA 93003-3161 · (805) 259-1356 · Fax (805) 259-1357

Phone(805) 259-1356

Fax(805) 259-1357

Organization SubpartNo

Authorized OfficialTricia Lyn Westhoff-prankratzOwner · (805) 259-1356

Enumeration DateJanuary 14, 2016

Last NPPES UpdateMay 22, 20243 updates tracked since enumeration

NPPES CertifiedMay 22, 2024

✔ NPI 1225494636 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

3555 LOMA VISTA RD STE 100, Ventura, CA 93003

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Other Identifiers 1

OtherA066887CA · Medical License

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)

Loma Vista Endocrinology, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Loma Vista Endocrinology, Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Marki Meyer, FNP-C

Nurse Practitioner

NPI 1710636394

3555 LOMA VISTA RD STE 100
Ventura, CA 93003

(805) 259-1356

✔ PECOSSame address

Barbara Holdsworth, FNP

Nurse Practitioner

NPI 1477747186

2772 JOHNSON DR
Ventura, CA 93003

(805) 642-1430

✔ PECOS✔ Accepts Medicare3.5 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 Loma Vista Endocrinology, Inc.'s NPI number?

The NPI number for Loma Vista Endocrinology, Inc. is 1225494636. It was assigned to this organization in the NPPES registry on January 14, 2016.

Where is Loma Vista Endocrinology, Inc. located?

Loma Vista Endocrinology, Inc. is located at 3555 Loma Vista Rd Ste 100, Ventura, CA 93003. The listed phone number is (805) 259-1356.

What is Loma Vista Endocrinology, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Loma Vista Endocrinology, Inc. enrolled in Medicare?

Yes. Loma Vista Endocrinology, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Loma Vista Endocrinology, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Loma Vista Endocrinology, 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. Of these, 1 practice at this address and 2 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 Loma Vista Endocrinology, Inc. was last updated on May 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.