HASHEM M FATEMI
NPI 1346262615
Internal Medicine - Cardiovascular Disease in La Palma, CA

Active since July 24, 2006PECOS Enrolled
5471 LA PALMA AVE, SUITE 203, LA PALMA, CA 90623(714) 523-7122(714) 523-9813 Get Directions Write a Review

NPPES record last updated: March 16, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Hashem M Fatemi NPPES

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

HASHEM M FATEMI (NPI 1346262615) is an individual cardiovascular disease provider in La Palma, California, licensed in California (A22624) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346262615
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameHASHEM M FATEMI
Location Address5471 LA PALMA AVE, SUITE 203La Palma, CA 90623-1745
Mailing Address1811 Calavera PlFullerton, CA 92833-1823 · (714) 523-7122 · Fax (714) 523-9813
Fax(714) 523-9813
Sole ProprietorYes
Enumeration DateJuly 24, 2006
Last NPPES UpdateMarch 16, 2009
✔ NPI 1346262615 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · A22624
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
5471 LA PALMA AVE, La Palma, CA 90623

Other Identifiers 2

Medicare PINWA22624DCA
Medicare UPINA23179CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hashem M Fatemi is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Hashem Fatemi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cardiovascular Disease
5471 LA PALMA AVE, 103
La Palma, CA 90623
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90623 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dermatology
5471 LA PALMA AVE, STE. 202
LA PALMA, CA 90623
Dermatology
5471 LA PALMA AVE, SUITE 202
LA PALMA, CA 90623
Internal Medicine (Cardiovascular Disease)
5471 LA PALMA AVE, 103
LA PALMA, CA 90623
Dermatology
5471 LA PALMA AVE, SUITE 103
LA PALMA, CA 90623
Internal Medicine
5471 LA PALMA AVE
LA PALMA, CA 90623
Internal Medicine (Gastroenterology)
5471 LA PALMA AVE, SUITE 105
LA PALMA, CA 90623
Internal Medicine (Gastroenterology)
5471 LA PALMA AVE, SUITE 105
LA PALMA, CA 90623

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 Hashem Fatemi's NPI number?

The NPI number for Hashem Fatemi is 1346262615. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Hashem Fatemi located?

Hashem Fatemi practices at 5471 La Palma Ave Suite 203, La Palma, CA 90623. The listed phone number is (714) 523-7122.

What is Hashem Fatemi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Hashem Fatemi enrolled in Medicare?

Yes. Hashem Fatemi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hashem Fatemi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hashem Fatemi reassigns Medicare benefits to Intercommunity Cardiology A Medical Group (La Palma, CA). The 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 Hashem Fatemi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Hashem Fatemi was last updated on March 16, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.