DR. ALLISON NICOLE WALSH MD
NPI 1801107487
Obstetrics & Gynecology in New York, NY
About Dr. Allison Nicole Walsh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALLISON NICOLE WALSH MD (NPI 1801107487) is an individual obstetrics & gynecology provider in New York, New York, licensed in Missouri (2013040818) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Allison Nicole Walsh Md 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.
Areas of Expertise CMS Part B claims 5
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOMercy Hospital South
Acute Care Hospitals · Saint Louis, MOSt Lukes Hospital
Acute Care Hospitals · Chesterfield, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10065 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.
NEW YORK, NY 10065
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 Walsh's NPI number?
The NPI number for Allison Walsh is 1801107487. It was assigned to this individual provider in the NPPES registry on June 29, 2010.
Where is Allison Walsh located?
Allison Walsh practices at 525 E 68th St, New York, NY 10065. The listed phone number is (212) 746-5454.
What is Allison Walsh's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Allison Walsh enrolled in Medicare?
Yes. Allison Walsh 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.
What insurance does Allison Walsh accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 3 other insurers list Allison Walsh 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 Allison Walsh affiliated with any hospitals?
According to CMS data, Allison Walsh is affiliated with Mercy Hospital St Louis, Mercy Hospital South and St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Allison Walsh was last updated on November 18, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
