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SIMI MEDICAL GROUP, INC
NPI 1346768025
Family Medicine in Simi Valley, CA

Active since September 01, 2017CLIA 05D2149127 · Microscopy
2755 ALAMO ST STE 101, SIMI VALLEY, CA 93065(805) 210-7280(802) 210-7281 Get Directions Write a Review

NPPES record last updated: September 1, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Simi Medical Group, Inc NPPES

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

SIMI MEDICAL GROUP, INC (NPI 1346768025) is a healthcare organization registered as a family medicine in Simi Valley, California and active in the NPI registry since September 2017. The organization holds a CLIA Microscopy certificate valid through May 23, 2028 and lists Izela Juanita Guerra, Manager, as its authorized official.

NPPES Registry Identity

NPI1346768025
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameSIMI MEDICAL GROUP, INC
Location Address2755 ALAMO ST STE 101Simi Valley, CA 93065-1311
Mailing Address904 W 11th StUpland, CA 91786-3702 · (951) 205-1192 · Fax (909) 985-9772
Phone(805) 210-7280
Fax(802) 210-7281
Organization SubpartNo
Authorized OfficialIzela Juanita GuerraManager · (951) 205-1192
Enumeration DateSeptember 1, 2017
✔ NPI 1346768025 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 · G29685
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.
2755 ALAMO ST STE 101, Simi Valley, CA 93065
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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)

Simi Medical Group, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Simi Medical Group, Inc, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.

Clinicians, nearest first (5)

William Lee, MD
Internal Medicine
NPI 1619960705
2755 ALAMO ST STE 101
Simi Valley, CA 93065
(818) 726-1930
✔ PECOS✔ Accepts MedicareSame address
Mine Moosakhanian, FNP-C
Nurse Practitioner
NPI 1881310761
2755 ALAMO ST STE 101
Simi Valley, CA 93065
(805) 210-7280
✔ PECOS✔ Accepts MedicareSame address
Kevin Westbrook, M.D.
Family Practice
NPI 1508445859
2755 ALAMO ST STE 201
Simi Valley, CA 93065
(805) 988-7070
✔ PECOS✔ Accepts MedicareSame address
Richard Shaw, MD
Family Practice
NPI 1376537753
2755 ALAMO ST #100
Simi Valley, CA 93065
(805) 210-7280
✔ PECOS✔ Accepts MedicareSame address
Ashley Crisostomo, FNP
Nurse Practitioner
NPI 1356862791
631 COOPER RD
Oxnard, CA 93030
(805) 487-9150
✔ PECOS25 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

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 for Provider-Performed Microscopy Procedures (PPMP) 05D2149127

Simi Medical Group Inc · Simi Valley, CA
Active · expires May 23, 2028
CLIA Number05D2149127
Laboratory TypePhysician Office
Certificate Effective DateMay 24, 2026
Certificate Expiration DateMay 23, 2028
Laboratory DirectorRichard M. Shaw
Laboratory Phone(805) 210-7280
Laboratory LocationSimi Medical Group Inc2755 Alamo St Ste 101, Simi Valley, CA 93065
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform 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 Simi Medical Group, Inc's NPI number?

The NPI number for Simi Medical Group, Inc is 1346768025. It was assigned to this organization in the NPPES registry on September 1, 2017.

Where is Simi Medical Group, Inc located?

Simi Medical Group, Inc is located at 2755 Alamo St Ste 101, Simi Valley, CA 93065. The listed phone number is (805) 210-7280.

What is Simi Medical Group, Inc's specialty?

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

Is Simi Medical Group, Inc enrolled in Medicare?

Yes. Simi Medical Group, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Simi Medical Group, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians reassign their Medicare billing to Simi Medical Group, Inc, in Family Practice, Internal Medicine and Nurse Practitioner. 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, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Simi Medical Group, Inc hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D2149127) is associated with this NPI, valid through May 23, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Simi Medical Group, Inc was last updated on September 1, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.