JOSEPH PATRICK CRONIN MD
NPI 1124039573
Internal Medicine in Buffalo, NY
About Joseph Patrick Cronin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH PATRICK CRONIN MD (NPI 1124039573) is an individual internal medicine provider in Buffalo, New York, licensed in New York (208492) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 12
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
Joseph Patrick Cronin 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.
Medicare Billing Reassignment
Medicare enrollment records show Joseph Cronin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Amherst, NY 14228
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Western New York Immediate Medical Care LLC
- 8 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 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14222 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
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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BUFFALO, NY 14222
BUFFALO, NY 14222
BUFFALO, NY 14222
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 Joseph Cronin's NPI number?
The NPI number for Joseph Cronin is 1124039573. It was assigned to this individual provider in the NPPES registry on August 11, 2006.
Where is Joseph Cronin located?
Joseph Cronin practices at 239 Bryant St, Buffalo, NY 14222. The listed phone number is (716) 878-7655.
What is Joseph Cronin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Joseph Cronin enrolled in Medicare?
Yes. Joseph Cronin 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 organization bills Medicare for Joseph Cronin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Cronin reassigns Medicare benefits to Western New York Iimmediate Medical Care, LLC (Amherst, NY). The 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 Joseph Cronin'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 Joseph Cronin was last updated on May 15, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Joseph Patrick Cronin, MD · NPI 1124039573
Internal Medicine physician in Buffalo, New York. Individual provider, active in the CMS NPPES registry since August 11, 2006.
## Identity
- **NPI:** 1124039573 (Entity type: Individual)
- **Enumerated:** August 11, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 208492 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 239 BRYANT ST, Buffalo, NY 14222-2006
- **Phone:** (716) 878-7655
## 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:** Western New York Iimmediate Medical Care, LLC (NPI 1801074539, Amherst, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Buffalo School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** May 15, 2009
- **Other identifiers:** Medicare PIN 110174856; Other 00010367903 (NY); Medicare UPIN G77082 (NY); and 9 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1124039573) · Data from the CMS NPPES public registry.