DR. DEAN MARK BREWER JR. D.O
NPI 1821253857
Family Medicine in Springville, NY
About Dr. Dean Mark Brewer Jr. D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DEAN MARK BREWER JR. D.O (NPI 1821253857) is an individual family medicine provider in Springville, New York, licensed in New York (297539) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Bertrand Chaffee Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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. Dean Mark Brewer Jr. 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 Dean Brewer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springville, NY 14141
- Reassigned Medicare billing, New York enrollment
- 25 clinicians in this Medicare group
Silver Springs, NY 14550
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Wyoming County
- 76 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.
Bertrand Chaffee Hospital
Acute Care Hospitals · Springville, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
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.
SPRINGVILLE, NY 14141
SPRINGVILLE, NY 14141
SPRINGVILLE, NY 14141
SPRINGVILLE, NY 14141
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 Dean Brewer's NPI number?
The NPI number for Dean Brewer is 1821253857. It was assigned to this individual provider in the NPPES registry on July 18, 2008.
Where is Dean Brewer located?
Dean Brewer practices at 224 E Main St, Springville, NY 14141. The listed phone number is (716) 592-2871.
What is Dean Brewer's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Dean Brewer enrolled in Medicare?
Yes. Dean Brewer 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 Dean Brewer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dean Brewer reassigns Medicare benefits to 2 organizations: Bertrand Chaffee Hospital (Springville, NY) and Wyoming County County Of Wyoming (Silver Springs, 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 Dean Brewer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Dean Brewer affiliated with any hospitals?
According to CMS data, Dean Brewer is affiliated with Bertrand Chaffee Hospital.
When was this NPI record last updated?
The NPPES record for Dean Brewer was last updated on November 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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. Dean Mark Brewer Jr., D.O · NPI 1821253857
Family Medicine physician in Springville, New York. Individual provider, active in the CMS NPPES registry since July 18, 2008.
## Identity
- **NPI:** 1821253857 (Entity type: Individual)
- **Enumerated:** July 18, 2008
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 297539 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 224 E MAIN ST, Springville, NY 14141-1497
- **Phone:** (716) 592-2871
## 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): Bertrand Chaffee Hospital (NPI 1275553521, Springville, NY); Wyoming County County Of Wyoming (NPI 1720115017, Silver Springs, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2008
## Record status
- **NPPES last updated:** November 4, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1821253857) · Data from the CMS NPPES public registry.