ERIN CATHERINE GERTZ M.D.
NPI 1740436062
Obstetrics & Gynecology in Wellsville, NY
About Erin Catherine Gertz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIN CATHERINE GERTZ M.D. (NPI 1740436062) is an individual obstetrics & gynecology provider in Wellsville, New York, licensed in Connecticut (073730) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS, is affiliated with Jones Memorial Hospital, and maintains a secondary practice location in Sharon.
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 and accepts Medicare assignment
Erin Catherine Gertz M.d. 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
7Medicare enrollment records show Erin Gertz reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wellsville, NY 14895
- Reassigned Medicare billing, New York enrollment
- 233 clinicians in this Medicare group
Kingston, NY 12401
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Nuvance Health Medical Practice PC
- 638 clinicians in this Medicare group
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 818 clinicians in this Medicare group
Bristol, CT 06010
- Reassigned Medicare billing, Connecticut enrollment
- 222 clinicians in this Medicare group
Farmington, CT 06030
- Reassigned Medicare billing, Connecticut enrollment
- 788 clinicians in this Medicare group
Rocky Hill, CT 06067
- Reassigned Medicare billing, Connecticut enrollment
- 371 clinicians in this Medicare group
Fort Defiance, AZ 86504
- Reassigned Medicare billing, Texas enrollment
- 518 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
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.
Jones Memorial Hospital
Acute Care Hospitals · Wellsville, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14895 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.
WELLSVILLE, NY 14895
WELLSVILLE, NY 14895
WELLSVILLE, NY 14895
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 Erin Gertz's NPI number?
The NPI number for Erin Gertz is 1740436062. It was assigned to this individual provider in the NPPES registry on August 18, 2008.
Where is Erin Gertz located?
Erin Gertz practices at 191 N Main St, Wellsville, NY 14895. The listed phone number is (585) 593-1100.
What is Erin Gertz's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Erin Gertz enrolled in Medicare?
Yes. Erin Gertz 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 Erin Gertz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Gertz reassigns Medicare benefits to 7 organizations: The Memorial Hospital Of William F. And Gertrude F. Jones, Inc. (Wellsville, NY), Health Quest Medical Practice, PC (Kingston, NY), Nuvance Health Medical Practice Ct, Inc. (Danbury, CT), Bristol Hospital Multi Specialty Group, Inc (Bristol, CT), University Of Connecticut Health Center (Farmington, CT) 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 Erin Gertz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erin Gertz accept?
Health plans from Blue Cross Blue Shield of Arizona list Erin Gertz 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 Erin Gertz affiliated with any hospitals?
According to CMS data, Erin Gertz is affiliated with Jones Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Erin Gertz was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 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.
# Erin Catherine Gertz, M.D. · NPI 1740436062
Obstetrics & Gynecology physician in Wellsville, New York. Individual provider, active in the CMS NPPES registry since August 18, 2008.
## Identity
- **NPI:** 1740436062 (Entity type: Individual)
- **Enumerated:** August 18, 2008
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 073730 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 191 N MAIN ST, Wellsville, NY 14895-1150
- **Phone:** (585) 593-1100
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): The Memorial Hospital Of William F. And Gertrude F. Jones, Inc. (NPI 1720030703, Wellsville, NY); Health Quest Medical Practice, PC (NPI 1558906610, Kingston, NY); Nuvance Health Medical Practice Ct, Inc. (NPI 1407898117, Danbury, CT); Bristol Hospital Multi Specialty Group, Inc (NPI 1649265679, Bristol, CT); University Of Connecticut Health Center (NPI 1720083769, Farmington, CT); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Hawaii John A. Burns School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** September 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1740436062) · Data from the CMS NPPES public registry.