JOHN C WIRTH III M.D.
NPI 1861456105
Obstetrics & Gynecology in New York, NY
About John C Wirth Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN C WIRTH III M.D. (NPI 1861456105) is an individual obstetrics & gynecology provider in New York, New York, licensed in New York (209892-1) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
John C Wirth Iii 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
4Medicare enrollment records show John Wirth reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10002
- Reassigned Medicare billing, New York enrollment
- 1,615 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
Brooklyn, NY 11235
- Reassigned Medicare billing, New York enrollment
- 638 clinicians in this Medicare group
Niskayuna, NY 12309
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Obgyn Hospitalist Medical Services Of New York PC
- 125 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 10007 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 10007
NEW YORK, NY 10007
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 John Wirth's NPI number?
The NPI number for John Wirth is 1861456105. It was assigned to this individual provider in the NPPES registry on April 13, 2006.
Where is John Wirth located?
John Wirth practices at 225 Broadway Suite 901, New York, NY 10007. The listed phone number is (212) 393-9400.
What is John Wirth's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is John Wirth enrolled in Medicare?
Yes. John Wirth 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 John Wirth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Wirth reassigns Medicare benefits to 4 organizations: New York City Health And Hospitals Corporation (New York, NY), Physician Affiliate Group Of New York PC (New York, NY), Coney Island Medical Practice Plan, P.C. (Brooklyn, NY) and Obgyn Hospitalist Medical Services Of New York, P.C. (Niskayuna, 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 John Wirth'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 John Wirth was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# John C Wirth III, M.D. · NPI 1861456105
Obstetrics & Gynecology physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 13, 2006.
## Identity
- **NPI:** 1861456105 (Entity type: Individual)
- **Enumerated:** April 13, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 209892-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 225 BROADWAY, SUITE 901, New York, NY 10007-3001
- **Phone:** (212) 393-9400
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): New York City Health And Hospitals Corporation (NPI 1497859573, New York, NY); Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY); Coney Island Medical Practice Plan, P.C. (NPI 1386951762, Brooklyn, NY); Obgyn Hospitalist Medical Services Of New York, P.C. (NPI 1518285055, Niskayuna, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN F89230; Medicare ID-Type Unspecified 486441; Medicaid 01810457 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1861456105) · Data from the CMS NPPES public registry.