DR. JENNY ALYSSA O'BRIEN MD, PHD
NPI 1740849694
Internal Medicine in Philadelphia, PA
About Dr. Jenny Alyssa O'brien Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JENNY ALYSSA O'BRIEN MD, PHD (NPI 1740849694) is an individual internal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD477641) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Jenny Alyssa O'brien Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Jenny O'brien reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19140
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,991 clinicians in this Medicare group
Philadelphia, PA 19140
- Reassigned Medicare billing, Pennsylvania enrollment
- 447 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 19140 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.
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 20
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 Jenny O'brien's NPI number?
The NPI number for Jenny O'brien is 1740849694. It was assigned to this individual provider in the NPPES registry on June 12, 2019.
Where is Jenny O'brien located?
Jenny O'brien practices at 3322 N Broad St, Philadelphia, PA 19140. The listed phone number is (215) 707-1800.
What is Jenny O'brien's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jenny O'brien enrolled in Medicare?
Yes. Jenny O'brien is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jenny O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jenny O'brien reassigns Medicare benefits to 2 organizations: Temple Faculty Practice Plan Inc (Philadelphia, PA) and Temple Physicians Inc. (Philadelphia, 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 Jenny O'brien'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 Jenny O'brien was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.