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OB-GYN ASSOCIATES PLLC
NPI 1841394467
Obstetrics & Gynecology in Royal Oak, MI

Active since September 12, 2006CLIA 23D0364725 · Microscopy
3535 W 13 MILE RD, SUITE 301, ROYAL OAK, MI 48073(248) 288-2230(248) 288-5450 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 4, 2025, Nov 17, 2023, Oct 6, 2023 (3 updates tracked since 2023).

About Ob-gyn Associates Pllc NPPES

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

OB-GYN ASSOCIATES PLLC (NPI 1841394467) is a healthcare organization registered as an obstetrics & gynecology in Royal Oak, Michigan and active in the NPI registry since September 2006. The organization holds a CLIA Microscopy certificate valid through February 16, 2027 and lists Mushtak A Abbou, Owner, as its authorized official.

NPPES Registry Identity

NPI1841394467
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameOB-GYN ASSOCIATES PLLC
Location Address3535 W 13 MILE RD, SUITE 301Royal Oak, MI 48073-6710
Mailing Address3535 W 13 Mile Rd, Suite 301Royal Oak, MI 48073-6710 · (248) 288-2230 · Fax (248) 288-5450
Phone(248) 288-2230
Fax(248) 288-5450
Organization SubpartNo
Authorized OfficialMushtak A AbbouOwner · (248) 288-2230
Enumeration DateSeptember 12, 2006
Last NPPES UpdateNovember 4, 20253 updates tracked since enumeration
NPPES CertifiedNovember 4, 2025
✔ NPI 1841394467 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MI · 4301052220
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
3535 W 13 MILE RD, Royal Oak, MI 48073
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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 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)

Ob-gyn Associates Pllc 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 Ob-Gyn Associates PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mushtak Abbou, MD
Obstetrics/Gynecology
NPI 1093796922
3535 W 13 MILE RD STE 301
Royal Oak, MI 48073
(248) 288-2230
✔ PECOSSame 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 for Provider-Performed Microscopy Procedures (PPMP) 23D0364725

Ob Gyn Associates PLLC · Royal Oak, MI
Active · expires Feb 16, 2027
CLIA Number23D0364725
Laboratory TypePhysician Office
Certificate Effective DateFebruary 17, 2025
Certificate Expiration DateFebruary 16, 2027
Laboratory DirectorAnis A. Milad MD
Laboratory Phone(248) 288-2230
Laboratory LocationOb Gyn Associates PLLC3535 West 13 Mile Road Suite 301, Royal Oak, MI 48073
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 Ob-Gyn Associates PLLC's NPI number?

The NPI number for Ob-Gyn Associates PLLC is 1841394467. It was assigned to this organization in the NPPES registry on September 12, 2006.

Where is Ob-Gyn Associates PLLC located?

Ob-Gyn Associates PLLC is located at 3535 W 13 Mile Rd Suite 301, Royal Oak, MI 48073. The listed phone number is (248) 288-2230.

What is Ob-Gyn Associates PLLC's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Ob-Gyn Associates PLLC enrolled in Medicare?

Yes. Ob-Gyn Associates PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ob-Gyn Associates PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Ob-Gyn Associates PLLC. 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 Ob-Gyn Associates PLLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 23D0364725) is associated with this NPI, valid through February 16, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Ob-Gyn Associates PLLC was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.