DR. DOUGLAS FRANK BREWSTER M.D.
NPI 1609848316
Otolaryngology - Pediatric Otolaryngology in San Diego, CA
About Dr. Douglas Frank Brewster M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DOUGLAS FRANK BREWSTER M.D. (NPI 1609848316) is an individual pediatric otolaryngology provider in San Diego, California, licensed in California (G67825) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1988).
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 and accepts Medicare assignment
Dr. Douglas Frank Brewster M.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 Reassignment
Medicare enrollment records show Douglas Brewster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92111
- Reassigned Medicare billing, California enrollment
- 1,233 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 3
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.
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.
SAN DIEGO, CA 92121
SAN DIEGO, CA 92121
SAN DIEGO, CA 92121
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 Douglas Brewster's NPI number?
The NPI number for Douglas Brewster is 1609848316. It was assigned to this individual provider in the NPPES registry on February 6, 2006.
Where is Douglas Brewster located?
Douglas Brewster practices at 10243 Genetic Center Dr, San Diego, CA 92121. The listed phone number is (858) 526-6136.
What is Douglas Brewster's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is Douglas Brewster enrolled in Medicare?
Yes. Douglas Brewster 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 organization bills Medicare for Douglas Brewster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Brewster reassigns Medicare benefits to Sharp Rees-Stealy Medical Group, Inc (San Diego, CA). The 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 Douglas Brewster'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 Douglas Brewster was last updated on June 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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. Douglas Frank Brewster, M.D. · NPI 1609848316
Pediatric Otolaryngology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since February 6, 2006.
## Identity
- **NPI:** 1609848316 (Entity type: Individual)
- **Enumerated:** February 6, 2006
- **Primary specialty:** Otolaryngology - Pediatric Otolaryngology · taxonomy 207YP0228X
- **State license:** G67825 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 10243 GENETIC CENTER DR, San Diego, CA 92121-6310
- **Phone:** (858) 526-6136 · **Fax:** (858) 526-6117
## 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:** Sharp Rees-Stealy Medical Group, Inc (NPI 1285616177, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** June 14, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1609848316) · Data from the CMS NPPES public registry.