DR. ALLISON LANE WELCH D.O.
NPI 1770921009
Obstetrics & Gynecology in York, PA
About Dr. Allison Lane Welch D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALLISON LANE WELCH D.O. (NPI 1770921009) is an individual obstetrics & gynecology provider in York, Pennsylvania, licensed in Pennsylvania (OS018671) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, maintains a secondary practice location in York, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Dr. Allison Lane Welch D.o. 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 Allison Welch reassigns Medicare billing to 2 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
York, PA 17403
- Reassigned Medicare billing, Pennsylvania enrollment
- 272 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.
Physician 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
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 Allison Welch's NPI number?
The NPI number for Allison Welch is 1770921009. It was assigned to this individual provider in the NPPES registry on June 9, 2013.
Where is Allison Welch located?
Allison Welch practices at 1001 S George St York Hospital, York, PA 17403. The listed phone number is (717) 812-4602.
What is Allison Welch's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Allison Welch enrolled in Medicare?
Yes. Allison Welch 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 Allison Welch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Welch reassigns Medicare benefits to 2 organizations: Wellspan Medical Group (York, PA) and York Hospital (York, PA). 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 Allison Welch'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 Allison Welch was last updated on September 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Allison Lane Welch, D.O. · NPI 1770921009
Obstetrics & Gynecology physician in York, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 9, 2013.
## Identity
- **NPI:** 1770921009 (Entity type: Individual)
- **Enumerated:** June 9, 2013
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** OS018671 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 S GEORGE ST, YORK HOSPITAL, York, PA 17403-3676
- **Phone:** (717) 812-4602 · **Fax:** (717) 812-3499
## 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): Wellspan Medical Group (NPI 1124104245, York, PA); York Hospital (NPI 1114885480, York, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** September 27, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1770921009) · Data from the CMS NPPES public registry.