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AFTER HOURS MEDICAL GROUP INC.
NPI 1861610172
Family Medicine in Whittier, CA

Active since April 23, 2007CLIA 05D1084393 · Waiver
9200 COLIMA RD, SUITE 101, WHITTIER, CA 90605(562) 945-2128(562) 945-2140 Get Directions Write a Review

NPPES record last updated: September 11, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About After Hours Medical Group Inc. NPPES

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

AFTER HOURS MEDICAL GROUP INC. (NPI 1861610172) is a healthcare organization registered as a family medicine in Whittier, California and active in the NPI registry since April 2007. The organization holds a CLIA Waiver certificate valid through May 20, 2028 and lists Nasir A. Mohammedi, Ceo, as its authorized official.

NPPES Registry Identity

NPI1861610172
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameAFTER HOURS MEDICAL GROUP INC.
Location Address9200 COLIMA RD, SUITE 101Whittier, CA 90605-1814
Mailing Address9200 Colima Rd, Suite 101Whittier, CA 90605-1814 · (562) 945-2128 · Fax (562) 945-2140
Phone(562) 945-2128
Fax(562) 945-2140
Organization SubpartNo
Authorized OfficialNasir A. MohammediCeo · (562) 945-0252
Enumeration DateApril 23, 2007
Last NPPES UpdateSeptember 11, 2020
NPPES CertifiedSeptember 11, 2020
✔ NPI 1861610172 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 · A84718
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.
9200 COLIMA RD, Whittier, CA 90605
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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)

After Hours Medical Group 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 After Hours Medical Group Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Nasir Mohammedi, M.D., M.S., M.S.
Family Practice
NPI 1154429769
9200 COLIMA RD SUITE 207
Whittier, CA 90605
(562) 945-0252
✔ PECOS✔ Accepts MedicareSame address

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 of Waiver 05D1084393

After Hours Medical Group · Whittier, CA
Active · expires May 20, 2028
CLIA Number05D1084393
Laboratory TypePhysician Office
Certificate Effective DateMay 21, 2026
Certificate Expiration DateMay 20, 2028
Laboratory DirectorNasir A. Mohammedi MD
Laboratory Phone(562) 945-2128
Laboratory LocationAfter Hours Medical Group9200 Colima Rd Ste 101, Whittier, CA 90605
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only 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 After Hours Medical Group Inc.'s NPI number?

The NPI number for After Hours Medical Group Inc. is 1861610172. It was assigned to this organization in the NPPES registry on April 23, 2007.

Where is After Hours Medical Group Inc. located?

After Hours Medical Group Inc. is located at 9200 Colima Rd Suite 101, Whittier, CA 90605. The listed phone number is (562) 945-2128.

What is After Hours Medical Group Inc.'s specialty?

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

Is After Hours Medical Group Inc. enrolled in Medicare?

Yes. After Hours Medical Group Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through After Hours Medical Group Inc.?

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

Does After Hours Medical Group Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1084393) is associated with this NPI, valid through May 20, 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 After Hours Medical Group Inc. was last updated on September 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.