ALI MAHDAVI MD
NPI 1578628350
Obstetrics & Gynecology - Gynecologic Oncology in York, PA
About Ali Mahdavi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALI MAHDAVI MD (NPI 1578628350) is an individual gynecologic oncology provider in York, Pennsylvania, licensed in Pennsylvania (MD483702) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Wellspan York Hospital, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 5
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ali Mahdavi Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Ali Mahdavi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
York, PA 17403
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 clinicians in this Medicare group
Baltimore, MD 21239
- Reassigned Medicare billing, Maryland enrollment
- 2,602 clinicians in this Medicare group
Kingsport, TN 37660
- Reassigned Medicare billing, Tennessee enrollment
- 81 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellspan York Hospital
Acute Care Hospitals · York, PAGettysburg Hospital
Acute Care Hospitals · Gettysburg, PAWellspan Chambersburg Hospital
Acute Care Hospitals · Chambersburg, PAJohnson City Medical Center
Acute Care Hospitals · Johnson City, TNIndian Path Community Hospital
Acute Care Hospitals · Kingsport, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
YORK, PA 17403
YORK, PA 17403
YORK, PA 17403
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 Ali Mahdavi's NPI number?
The NPI number for Ali Mahdavi is 1578628350. It was assigned to this individual provider in the NPPES registry on December 22, 2006.
Where is Ali Mahdavi located?
Ali Mahdavi practices at 25 Monument Rd Ste 295, York, PA 17403. The listed phone number is (717) 851-6120.
What is Ali Mahdavi's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.
Is Ali Mahdavi enrolled in Medicare?
Yes. Ali Mahdavi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ali Mahdavi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ali Mahdavi reassigns Medicare benefits to 3 organizations: Wellspan Medical Group (York, PA), Medstar Medical Group II LLC (Baltimore, MD) and Wps Providers Inc (Kingsport, TN). Each 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 Ali Mahdavi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ali Mahdavi accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 2 other insurers list Ali Mahdavi 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.
Is Ali Mahdavi affiliated with any hospitals?
According to CMS data, Ali Mahdavi is affiliated with Wellspan York Hospital, Gettysburg Hospital, Wellspan Chambersburg Hospital, Johnson City Medical Center and Indian Path Community Hospital.
When was this NPI record last updated?
The NPPES record for Ali Mahdavi was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.
# Ali Mahdavi, MD · NPI 1578628350
Gynecologic Oncology physician in York, Pennsylvania. Individual provider, active in the CMS NPPES registry since December 22, 2006.
## Identity
- **NPI:** 1578628350 (Entity type: Individual)
- **Enumerated:** December 22, 2006
- **Primary specialty:** Obstetrics & Gynecology - Gynecologic Oncology · taxonomy 207VX0201X
- **State license:** MD483702 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 25 MONUMENT RD STE 295, York, PA 17403-5049
- **Phone:** (717) 851-6120
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Wellspan Medical Group (NPI 1093883084, York, PA); Medstar Medical Group II LLC (NPI 1184046187, Baltimore, MD); Wps Providers Inc (NPI 1003904095, Kingsport, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** September 29, 2026
- **Other identifiers:** Other 1578628350 (WI); Medicaid 1578628350 (WI); Other MAHDAALI (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1578628350) · Data from the CMS NPPES public registry.