DR. JENNIFER LYNN BARNAS M.D., PH.D.
NPI 1851657027
Internal Medicine - Rheumatology in Rochester, NY
About Dr. Jennifer Lynn Barnas M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JENNIFER LYNN BARNAS M.D., PH.D. (NPI 1851657027) is an individual rheumatology provider in Rochester, New York, licensed in New York (273576) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, is affiliated with Strong Memorial Hospital, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 3
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. Jennifer Lynn Barnas M.d., Ph.d. 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 Jennifer Barnas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 40 clinicians in this Medicare group
Rochester, NY 14642
- Reassigned Medicare billing, New York enrollment
- 1,624 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Strong Memorial Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14642 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
ROCHESTER, NY 14642
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 Jennifer Barnas's NPI number?
The NPI number for Jennifer Barnas is 1851657027. It was assigned to this individual provider in the NPPES registry on April 2, 2012.
Where is Jennifer Barnas located?
Jennifer Barnas practices at 601 Elmwood Ave Box 695, Rochester, NY 14642. The listed phone number is (585) 486-0901.
What is Jennifer Barnas's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Jennifer Barnas enrolled in Medicare?
Yes. Jennifer Barnas 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 Jennifer Barnas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Barnas reassigns Medicare benefits to 2 organizations: Allergy - Immunology - Rheumatology Clinical Group (Rochester, NY) and University Of Rochester (Rochester, 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 Jennifer Barnas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jennifer Barnas affiliated with any hospitals?
According to CMS data, Jennifer Barnas is affiliated with Strong Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Jennifer Barnas was last updated on July 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Jennifer Lynn Barnas, M.D., PH.D. · NPI 1851657027
Rheumatology physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since April 2, 2012.
## Identity
- **NPI:** 1851657027 (Entity type: Individual)
- **Enumerated:** April 2, 2012
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 273576 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 ELMWOOD AVE, BOX 695, Rochester, NY 14642-0001
- **Phone:** (585) 486-0901
## 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): Allergy - Immunology - Rheumatology Clinical Group (NPI 1497702286, Rochester, NY); University Of Rochester (NPI 1346285657, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** July 6, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1851657027) · Data from the CMS NPPES public registry.