DR. MOLLY BRENNAN D.O.
NPI 1326429606
Internal Medicine in Pittsburgh, PA
About Dr. Molly Brennan D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MOLLY BRENNAN D.O. (NPI 1326429606) is an individual internal medicine provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (OS019247) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with Magee Womens Hospital Of Upmc Health System, and maintains a secondary practice location in Philadelphia.
NPPES Registry Identity
Specialties & Licenses
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. Molly Brennan D.o. 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 Molly Brennan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pittsburgh, PA 15213
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Pittsburgh, PA 15232
- Reassigned Medicare billing, Pennsylvania enrollment
- 202 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 4
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.
Magee Womens Hospital Of Upmc Health System
Acute Care Hospitals · Pittsburgh, PAUpmc Presbyterian Shadyside
Acute Care Hospitals · Pittsburgh, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Molly Brennan's NPI number?
The NPI number for Molly Brennan is 1326429606. It was assigned to this individual provider in the NPPES registry on June 12, 2015.
Where is Molly Brennan located?
Molly Brennan practices at 200 Lothrop St Ste G100, Pittsburgh, PA 15213. The listed phone number is (412) 692-4882.
What is Molly Brennan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Molly Brennan enrolled in Medicare?
Yes. Molly Brennan 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 Molly Brennan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Molly Brennan reassigns Medicare benefits to 2 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA) and Oncology Hematology Association Inc (Pittsburgh, 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 Molly Brennan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Molly Brennan affiliated with any hospitals?
According to CMS data, Molly Brennan is affiliated with Magee Womens Hospital Of Upmc Health System and Upmc Presbyterian Shadyside.
When was this NPI record last updated?
The NPPES record for Molly Brennan was last updated on October 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Molly Brennan, D.O. · NPI 1326429606
Internal Medicine physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 12, 2015.
## Identity
- **NPI:** 1326429606 (Entity type: Individual)
- **Enumerated:** June 12, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** OS019247 (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 200 LOTHROP ST STE G100, Pittsburgh, PA 15213-2536
- **Phone:** (412) 692-4882 · **Fax:** (412) 692-4555
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Pittsburgh Physicians (NPI 1215995402, Pittsburgh, PA); Oncology Hematology Association Inc (NPI 1861469223, Pittsburgh, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Erie, class of 2015
## Record status
- **NPPES last updated:** October 4, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1326429606) · Data from the CMS NPPES public registry.