MARK A BROWN MD
NPI 1679704183
Family Medicine in Rochester, NY
About Mark A Brown Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A BROWN MD (NPI 1679704183) is an individual family medicine provider in Rochester, New York, licensed in New York (104361) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with Rochester General Hospital, and is a graduate of Js Weill Medical College, Cornell University (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Mark A Brown 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
3Medicare enrollment records show Mark Brown reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14607
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Rochester, NY 14608
- Reassigned Medicare billing, New York enrollment
- 1,442 clinicians in this Medicare group
Rochester, NY 14618
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Western New York Medical Practice PC
- 1,030 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.
Rochester General Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14611 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCHESTER, NY 14611
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 Mark Brown's NPI number?
The NPI number for Mark Brown is 1679704183. It was assigned to this individual provider in the NPPES registry on July 31, 2009.
Where is Mark Brown located?
Mark Brown practices at 924 Jefferson Ave, Rochester, NY 14611. The listed phone number is (585) 463-3870.
What is Mark Brown's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mark Brown enrolled in Medicare?
Yes. Mark Brown 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 Mark Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Brown reassigns Medicare benefits to 3 organizations: Rochester General Hospital (Rochester, NY), The Unity Hospital Of Rochester (Rochester, NY) and Western New York Medical Practice, P.C. (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 Mark Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Brown affiliated with any hospitals?
According to CMS data, Mark Brown is affiliated with Rochester General Hospital.
When was this NPI record last updated?
The NPPES record for Mark Brown was last updated on May 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Mark A Brown, MD · NPI 1679704183
Family Medicine physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since July 31, 2009.
## Identity
- **NPI:** 1679704183 (Entity type: Individual)
- **Enumerated:** July 31, 2009
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 104361 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 924 JEFFERSON AVE, Rochester, NY 14611-3702
- **Phone:** (585) 463-3870 · **Fax:** (585) 463-3873
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Rochester General Hospital (NPI 1760557656, Rochester, NY); The Unity Hospital Of Rochester (NPI 1689891178, Rochester, NY); Western New York Medical Practice, P.C. (NPI 1891467486, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Js Weill Medical College, Cornell University, class of 1989
## Record status
- **NPPES last updated:** May 4, 2021
- **Other identifiers:** Other 104361 (NY)
---
Source: [NPI Profile](https://npiprofile.com/npi/1679704183) · Data from the CMS NPPES public registry.