DR. MEGAN BARNHART MCGREEVY MD
NPI 1740423698
Pediatrics - Pediatric Cardiology in Buffalo, NY
About Dr. Megan Barnhart Mcgreevy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MEGAN BARNHART MCGREEVY MD (NPI 1740423698) is an individual pediatric cardiology provider in Buffalo, New York, licensed in Pennsylvania (MD442116) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Upmc Children's Hospital Of Pittsburgh, and maintains a secondary practice location in Erie.
NPPES Registry Identity
Specialties & Licenses 2
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. Megan Barnhart Mcgreevy 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
5Medicare enrollment records show Megan Mcgreevy reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Buffalo, NY 14203
- Reassigned Medicare billing, New York enrollment
- 217 clinicians in this Medicare group
Jamestown, NY 14701
- Reassigned Medicare billing, New York enrollment
- 233 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 25 clinicians in this Medicare group
Erie, PA 16502
- Reassigned Medicare billing, Pennsylvania enrollment
- 483 clinicians in this Medicare group
Franklin, PA 16323
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Upmc Children's Hospital Of Pittsburgh
Childrens · Pittsburgh, PAOther Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BUFFALO, NY 14209
BUFFALO, NY 14209
BUFFALO, NY 14209
BUFFALO, NY 14209
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 Megan Mcgreevy's NPI number?
The NPI number for Megan Mcgreevy is 1740423698. It was assigned to this individual provider in the NPPES registry on April 8, 2009.
Where is Megan Mcgreevy located?
Megan Mcgreevy practices at 936 Delaware Ave, Buffalo, NY 14209. The listed phone number is (716) 885-5437.
What is Megan Mcgreevy's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Megan Mcgreevy enrolled in Medicare?
Yes. Megan Mcgreevy 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 Megan Mcgreevy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Megan Mcgreevy reassigns Medicare benefits to 5 organizations: University At Buffalo Pediatric Associates Inc (Buffalo, NY), Great Lakes Physician Practice PC (Jamestown, NY), Pediatric Cardiology (Rochester, NY), St Vincent Medical Education And Research Institute Inc (Erie, PA) and University Of Pittsburgh Physicians (Franklin, 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 Megan Mcgreevy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Megan Mcgreevy affiliated with any hospitals?
According to CMS data, Megan Mcgreevy is affiliated with Upmc Children's Hospital Of Pittsburgh.
When was this NPI record last updated?
The NPPES record for Megan Mcgreevy was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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. Megan Barnhart Mcgreevy, MD · NPI 1740423698
Pediatric Cardiology physician in Buffalo, New York. Individual provider, active in the CMS NPPES registry since April 8, 2009.
## Identity
- **NPI:** 1740423698 (Entity type: Individual)
- **Enumerated:** April 8, 2009
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** MD442116 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 936 DELAWARE AVE, Buffalo, NY 14209-1880
- **Phone:** (716) 885-5437
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): University At Buffalo Pediatric Associates Inc (NPI 1912928599, Buffalo, NY); Great Lakes Physician Practice PC (NPI 1730599176, Jamestown, NY); Pediatric Cardiology (NPI 1316986391, Rochester, NY); St Vincent Medical Education And Research Institute Inc (NPI 1902881477, Erie, PA); University Of Pittsburgh Physicians (NPI 1619381456, Franklin, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** August 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1740423698) · Data from the CMS NPPES public registry.