MARY A. HARTSHORN M.D.
NPI 1972535789
Psychiatry & Neurology - Psychiatry in Cheektowaga, NY
About Mary A. Hartshorn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY A. HARTSHORN M.D. (NPI 1972535789) is an individual psychiatry provider in Cheektowaga, New York, licensed in New York (1544383) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary A. Hartshorn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Mary Hartshorn reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cheektowaga, NY 14225
- Reassigned Medicare billing, New York enrollment
- 82 clinicians in this Medicare group
North Tonawanda, NY 14120
- Reassigned Medicare billing, New York enrollment
- 18 clinicians in this Medicare group
Rochester, NY 14624
- Reassigned Medicare billing, New York enrollment
- 1,442 clinicians in this Medicare group
Rochester, NY 14623
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Rochester, NY 14621
- Reassigned Medicare billing, New York enrollment
- 78 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 14225 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHEEKTOWAGA, NY 14225
CHEEKTOWAGA, NY 14225
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 Mary Hartshorn's NPI number?
The NPI number for Mary Hartshorn is 1972535789. It was assigned to this individual provider in the NPPES registry on July 6, 2006.
Where is Mary Hartshorn located?
Mary Hartshorn practices at 1526 Walden Avenue Suite 400, Cheektowaga, NY 14225. The listed phone number is (716) 895-6700.
What is Mary Hartshorn's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Mary Hartshorn enrolled in Medicare?
Yes. Mary Hartshorn is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Hartshorn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Hartshorn reassigns Medicare benefits to 5 organizations: Mid Erie Mental Health Services Inc (Cheektowaga, NY), The Dale Association, Inc. (North Tonawanda, NY), The Unity Hospital Of Rochester (Rochester, NY), Rochester General Hospital (Rochester, NY) and Behavioral Health Network, Inc. (Rochester, NY). 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 Mary Hartshorn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Hartshorn was last updated on March 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mary A. Hartshorn, M.D. · NPI 1972535789
Psychiatry physician in Cheektowaga, New York. Individual provider, active in the CMS NPPES registry since July 6, 2006.
## Identity
- **NPI:** 1972535789 (Entity type: Individual)
- **Enumerated:** July 6, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 1544383 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1526 WALDEN AVENUE, SUITE 400, Cheektowaga, NY 14225-4985
- **Phone:** (716) 895-6700
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Mid Erie Mental Health Services Inc (NPI 1225095201, Cheektowaga, NY); The Dale Association, Inc. (NPI 1962407783, North Tonawanda, NY); The Unity Hospital Of Rochester (NPI 1720471246, Rochester, NY); Rochester General Hospital (NPI 1174990303, Rochester, NY); Behavioral Health Network, Inc. (NPI 1093812729, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 30, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1972535789) · Data from the CMS NPPES public registry.