1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Hospitalist
  6. NPI Profile

PRIME 5 MEDICAL GROUP INC
NPI 1154947695
Hospitalist in Los Angeles, CA

Active since June 21, 2020
8631 W 3RD ST STE 540E, LOS ANGELES, CA 90048(310) 423-3000 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 27, 2026, Aug 9, 2025, Jun 21, 2020 (3 updates tracked since 2020).

About Prime 5 Medical Group Inc NPPES

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

PRIME 5 MEDICAL GROUP INC (NPI 1154947695) is a healthcare organization registered as a hospitalist in Los Angeles, California and active in the NPI registry since June 2020. The organization lists Pejman David Shamekh, President, as its authorized official.

NPPES Registry Identity

NPI1154947695
Entity TypeOrganization
Primary Taxonomy208M00000X
Legal Business NamePRIME 5 MEDICAL GROUP INC
Location Address8631 W 3RD ST STE 540ELos Angeles, CA 90048-5901
Mailing AddressPo Box 6033Beverly Hills, CA 90212-1033 · (818) 857-4466 · Fax (310) 277-3659
Phone(310) 423-3000
Organization SubpartNo
Authorized OfficialPejman David ShamekhPresident · (818) 857-4466
Enumeration DateJune 21, 2020
Last NPPES UpdateApril 27, 20263 updates tracked since enumeration
NPPES CertifiedApril 27, 2026
✔ NPI 1154947695 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
8631 W 3RD ST STE 540E, Los Angeles, CA 90048
Open in Google Maps ↗

Other Identifiers 1

OtherC4602133CA · Business 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 MULTIPLE 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)

Prime 5 Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Prime 5 Medical Group Inc, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Mordechai Levin, MD
Internal Medicine
NPI 1699303701
8920 WILSHIRE BLVD
Beverly Hills, CA 90211
(424) 230-7169
✔ PECOS✔ Accepts Medicare0.6 mi
Pejman Shamekh, M.D.
Internal Medicine
NPI 1982620134
2080 CENTURY PARK E STE 1207
Los Angeles, CA 90067
(310) 788-0074
✔ PECOS✔ Accepts Medicare2.0 mi
Isam Mawas, MD
Infectious Disease
NPI 1790971422
3831 HUGHES AVE STE 604
Culver City, CA 90232
(310) 730-8606
✔ PECOS✔ Accepts Medicare3.7 mi
Saeed Dini, MD
Internal Medicine
NPI 1194864892
5601 DE SOTO AVE
Woodland Hills, CA 91367
(818) 719-2000
✔ PECOS✔ Accepts Medicare14 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 Prime 5 Medical Group Inc's NPI number?

The NPI number for Prime 5 Medical Group Inc is 1154947695. It was assigned to this organization in the NPPES registry on June 21, 2020.

Where is Prime 5 Medical Group Inc located?

Prime 5 Medical Group Inc is located at 8631 W 3rd St Ste 540E, Los Angeles, CA 90048. The listed phone number is (310) 423-3000.

What is Prime 5 Medical Group Inc's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Prime 5 Medical Group Inc enrolled in Medicare?

Yes. Prime 5 Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Prime 5 Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Prime 5 Medical Group 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 Internal Medicine (3) and Infectious Disease (1). Of these, 3 practice 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 Prime 5 Medical Group Inc was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.