DEIRDRE SCHWARTZ FNP
NPI 1598899270
Nurse Practitioner - Family in Orchard Park, NY
About Deirdre Schwartz Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEIRDRE SCHWARTZ FNP (NPI 1598899270) is an individual family provider in Orchard Park, New York, licensed in New York (F334544) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with Sisters Of Charity Hospital, and maintains a secondary practice location in Hamburg.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Deirdre Schwartz Fnp 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
2Medicare enrollment records show Deirdre Schwartz reassigns Medicare billing to 2 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
- 515 clinicians in this Medicare group
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 344 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sisters Of Charity Hospital
Acute Care Hospitals · Buffalo, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14127 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Deirdre Schwartz's NPI number?
The NPI number for Deirdre Schwartz is 1598899270. It was assigned to this individual provider in the NPPES registry on March 15, 2007.
Where is Deirdre Schwartz located?
Deirdre Schwartz practices at 3900 N Buffalo St, Orchard Park, NY 14127. The listed phone number is (716) 630-1433.
What is Deirdre Schwartz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Deirdre Schwartz enrolled in Medicare?
Yes. Deirdre Schwartz 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 Deirdre Schwartz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deirdre Schwartz reassigns Medicare benefits to 2 organizations: Sisters Of Charity Hospital Of Buffalo New York (Cheektowaga, NY) and Buffalo Medical Group, P.C. (Williamsville, 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 Deirdre Schwartz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Deirdre Schwartz affiliated with any hospitals?
According to CMS data, Deirdre Schwartz is affiliated with Sisters Of Charity Hospital.
When was this NPI record last updated?
The NPPES record for Deirdre Schwartz was last updated on September 25, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Deirdre Schwartz, FNP · NPI 1598899270
Family physician in Orchard Park, New York. Individual provider, active in the CMS NPPES registry since March 15, 2007.
## Identity
- **NPI:** 1598899270 (Entity type: Individual)
- **Enumerated:** March 15, 2007
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** F334544 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 3900 N BUFFALO ST, Orchard Park, NY 14127-1842
- **Phone:** (716) 630-1433 · **Fax:** (716) 817-1766
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Sisters Of Charity Hospital Of Buffalo New York (NPI 1043455199, Cheektowaga, NY); Buffalo Medical Group, P.C. (NPI 1881659506, Williamsville, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Tennessee, Hsc, College Of Medicine, class of 1991
## Record status
- **NPPES last updated:** September 25, 2019
- **Other identifiers:** Medicaid 02640357 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1598899270) · Data from the CMS NPPES public registry.