ANN MARIE HENDRZAK MD
NPI 1558426502
Obstetrics & Gynecology in Philadelphia, PA
About Ann Marie Hendrzak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN MARIE HENDRZAK MD (NPI 1558426502) is an individual obstetrics & gynecology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD060606L) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Bryn Mawr.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ann Marie Hendrzak Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Ann Hendrzak reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19120
- Reassigned Medicare billing, Pennsylvania enrollment
- 360 clinicians in this Medicare group
Newtown Square, PA 19073
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,638 clinicians in this Medicare group
West Reading, PA 19611
- Reassigned Medicare billing, Pennsylvania enrollment
- 994 clinicians in this Medicare group
Pottsville, PA 17901
- Reassigned Medicare billing, Pennsylvania enrollment
- 4,429 clinicians in this Medicare group
Saint Albans, VT 05478
- Reassigned Medicare billing, Vermont enrollment
- 184 clinicians in this Medicare group
Bloomfield, NM 87413
- Reassigned Medicare billing, Texas enrollment
- 572 clinicians in this Medicare group
Anacortes, WA 98221
- Reassigned Medicare billing, Washington enrollment
- 136 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ann Hendrzak's NPI number?
The NPI number for Ann Hendrzak is 1558426502. It was assigned to this individual provider in the NPPES registry on December 27, 2006.
Where is Ann Hendrzak located?
Ann Hendrzak practices at 319 Lyceum Ave, Philadelphia, PA 19128. The listed phone number is (215) 482-9669.
What is Ann Hendrzak's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Ann Hendrzak enrolled in Medicare?
Yes. Ann Hendrzak is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ann Hendrzak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Hendrzak reassigns Medicare benefits to 7 organizations: Hr Physician Services (Philadelphia, PA), Main Line Healthcare (Newtown Square, PA), Penn State Health Medical Group, LLC (West Reading, PA), Geisinger Clinic (Pottsville, PA), Northwestern Medical Center, Inc. (Saint Albans, VT) and 2 more organizations, listed in the Medicare section above. 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 Ann Hendrzak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Hendrzak accept?
Health plans from Ambetter Health and Ambetter from Buckeye Health Plan list Ann Hendrzak 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 Ann Hendrzak was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Ann Marie Hendrzak, MD · NPI 1558426502
Obstetrics & Gynecology physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since December 27, 2006.
## Identity
- **NPI:** 1558426502 (Entity type: Individual)
- **Enumerated:** December 27, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD060606L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 319 LYCEUM AVE, Philadelphia, PA 19128
- **Phone:** (215) 482-9669
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Hr Physician Services (NPI 1023250065, Philadelphia, PA); Main Line Healthcare (NPI 1922077643, Newtown Square, PA); Penn State Health Medical Group, LLC (NPI 1609347152, West Reading, PA); Geisinger Clinic (NPI 1043261183, Pottsville, PA); Northwestern Medical Center, Inc. (NPI 1538293469, Saint Albans, VT); and 2 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1558426502) · Data from the CMS NPPES public registry.