AMERICAN MEDICAL CENTER
NPI 1265874945
Family Medicine in Oak Park, MI
About American Medical Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMERICAN MEDICAL CENTER (NPI 1265874945) is a healthcare organization registered as a family medicine in Oak Park, Michigan and active in the NPI registry since July 2013. The organization maintains a secondary practice location in Southfield and lists Najm-ul Hassan, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
American Medical Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
14Medicare enrollment records show 14 clinicians reassign Medicare billing to American Medical Center, which bills Medicare for the services they deliver. Of these, 8 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 8
Clinicians, nearest first (14)
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 Greenfield And 9 Mile Medical Center PLLC's NPI number?
The NPI number for Greenfield And 9 Mile Medical Center PLLC is 1265874945. It was assigned to this organization in the NPPES registry on July 23, 2013. The provider is doing business as American Medical Center.
Where is Greenfield And 9 Mile Medical Center PLLC located?
Greenfield And 9 Mile Medical Center PLLC is located at 20820 Greenfield Rd, Oak Park, MI 48237. The listed phone number is (248) 557-3303.
What is Greenfield And 9 Mile Medical Center PLLC's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Greenfield And 9 Mile Medical Center PLLC enrolled in Medicare?
Yes. Greenfield And 9 Mile Medical Center PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Greenfield And 9 Mile Medical Center PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 14 clinicians in 8 Medicare specialties reassign their Medicare billing to Greenfield And 9 Mile Medical Center 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. The largest specialties are Nurse Practitioner (5), Dermatology (2) and Pain Management (2). Of these, 8 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Greenfield And 9 Mile Medical Center PLLC accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Greenfield And 9 Mile Medical Center PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Greenfield And 9 Mile Medical Center PLLC was last updated on September 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# American Medical Center · NPI 1265874945
Family Medicine organization in Oak Park, Michigan. Organization record, active in the CMS NPPES registry since July 23, 2013.
## Identity
- **NPI:** 1265874945 (Entity type: Organization)
- **Enumerated:** July 23, 2013
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Legal business name:** Greenfield And 9 Mile Medical Center Pllc
- **Organization subpart:** No
- **Authorized official:** Najm-Ul Hassan, OWNER
## Practice location
- **Address:** 20820 GREENFIELD RD, Oak Park, MI 48237-3051
- **Phone:** (248) 557-3303 · **Fax:** (586) 722-2722
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 14 clinicians in 8 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (5), Dermatology (2), Pain Management (2); 8 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 17, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1265874945) · Data from the CMS NPPES public registry.