JOHN BUHAC MD
NPI 1235184789
Internal Medicine - Gastroenterology in Albany, NY
About John Buhac Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN BUHAC MD (NPI 1235184789) is an individual gastroenterology provider in Albany, New York, licensed in Massachusetts (152827) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with St Peter's Hospital, and is a graduate of Tufts University School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
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
John Buhac 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 Reassignments
2Medicare enrollment records show John Buhac reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bennington, VT 05201
- Reassigned Medicare billing, Vermont enrollment
- 145 clinicians in this Medicare group
Massapequa, NY 11758
- Reassigned Medicare billing, New York enrollment
- 223 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 13
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Peter's Hospital
Acute Care Hospitals · Albany, NYSamaritan Hospital Of Troy, New York
Acute Care Hospitals · Troy, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12206 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.
ALBANY, NY 12206
ALBANY, NY 12206
ALBANY, NY 12206
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 Buhac's NPI number?
The NPI number for John Buhac is 1235184789. It was assigned to this individual provider in the NPPES registry on May 23, 2006.
Where is John Buhac located?
John Buhac practices at 1375 Washington Ave Ste 101, Albany, NY 12206. The listed phone number is (518) 438-4483.
What is John Buhac's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is John Buhac enrolled in Medicare?
Yes. John Buhac 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 Buhac's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Buhac reassigns Medicare benefits to 2 organizations: Southwestern Vermont Medical Center, Inc (Bennington, VT) and Gastrointestinal Care Of Long Island PLLC (Massapequa, 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 Buhac's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Buhac accept?
Health plans from Anthem Blue Cross and Blue Shield list John Buhac 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 John Buhac affiliated with any hospitals?
According to CMS data, John Buhac is affiliated with St Peter's Hospital and Samaritan Hospital Of Troy, New York.
When was this NPI record last updated?
The NPPES record for John Buhac was last updated on January 6, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.