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CALIFORNIA FUNCTIONAL INTERNAL MEDICINE INC
NPI 1356101067
Internal Medicine in Lake Forest, CA

Active since March 20, 2024
22972 EL TORO RD, LAKE FOREST, CA 92630(949) 339-5272 Get Directions Write a Review

NPPES record last updated: March 20, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About California Functional Internal Medicine Inc NPPES

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

CALIFORNIA FUNCTIONAL INTERNAL MEDICINE INC (NPI 1356101067) is a healthcare organization registered as an internal medicine in Lake Forest, California and active in the NPI registry since March 2024. The organization lists Mohammed W Ansari, Owner, as its authorized official.

NPPES Registry Identity

NPI1356101067
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCALIFORNIA FUNCTIONAL INTERNAL MEDICINE INC
Location Address22972 EL TORO RDLake Forest, CA 92630-4961
Mailing Address40 WinterhavenIrvine, CA 92614-7914 · (816) 585-4373
Phone(949) 339-5272
Organization SubpartNo
Authorized OfficialMohammed W AnsariOwner · (816) 585-4373
Enumeration DateMarch 20, 2024
NPPES CertifiedMarch 20, 2024
✔ NPI 1356101067 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
22972 EL TORO RD, Lake Forest, CA 92630
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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)

California Functional Internal Medicine Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to California Functional Internal Medicine Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mohammed Ansari, MD
Internal Medicine
NPI 1952744948
1324 LAKELAND HILLS BLVD
Lakeland, FL 33805
(863) 687-1100
✔ PECOS✔ Accepts Medicare2,147 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 California Functional Internal Medicine Inc's NPI number?

The NPI number for California Functional Internal Medicine Inc is 1356101067. It was assigned to this organization in the NPPES registry on March 20, 2024.

Where is California Functional Internal Medicine Inc located?

California Functional Internal Medicine Inc is located at 22972 El Toro Rd, Lake Forest, CA 92630. The listed phone number is (949) 339-5272.

What is California Functional Internal Medicine Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is California Functional Internal Medicine Inc enrolled in Medicare?

Yes. California Functional Internal Medicine Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through California Functional Internal Medicine Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to California Functional Internal Medicine 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for California Functional Internal Medicine Inc was last updated on March 20, 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.