Kristin Brew, MD
Otolaryngology Physician · Castro Valley, CA
Kristin Brew, MD is an otolaryngology physician with a practice address in Castro Valley, California, and NPI 1669568655, issued on Oct 5, 2006. Check the license (California G73735, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kristin Brew
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- G73735 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20101 Lake Chabot RD FL 3, Castro Valley, CA 94546
- Phone
- (510) 204-1844
- Enumerated
- Oct 5, 2006
- Record last updated
- Dec 27, 2022
- Fax
- (510) 506-7729
- Medicare enrollment
- Enrolled (PECOS I20080806000648); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 20101 Lake Chabot RD FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahlam Algazzali, PHYSICIAN ASSISTANTPhysician Assistant1083210017
- Ahmad Ayoubi, M.D., M.SFamily Medicine Physician1992926075
- Naomi Bitow, MDFamily Medicine Physician1184038895
- Carol Choy, RN, CDEDiabetes Educator Registered Nurse1578076600
- Beth Ehrlich, AUDAudiologist1669473195
- Kelly Gaughen, D.O.Pediatrics Physician1184988008
Verify Kristin Brew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average otolaryngology physician in 2024
87 Medicare Part D claims for 42 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Ipratropium Bromide20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationCastro Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristin Brew among 1,212 otolaryngology physician records in California
Kristin Brew, MD is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1990 · median 2004 among the 818 with a school on file
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in Castro Valley → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Jiahui Lin, MDCastro Valley, CA 945461932595642
- Shaulnie Mohan, M.D.Castro Valley, CA 945461851529234
- Mark Zeme, M. D.Castro Valley, CA 945461669400388
- Wayne Barber, MDHayward, CA 945451063590818
- Ted Kim, MDHayward, CA 945451295814994
- Matthew Lando, MDHayward, CA 945451982782744
- Keith Matsuoka, MDHayward, CA 945451538247309
- Sassan Falsafi, M.D.Lafayette, CA 945491306956362
Common questions
What is Kristin Brew, MD's NPI number?
Kristin Brew, MD's National Provider Identifier (NPI) is 1669568655, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kristin Brew, MD located?
The NPPES record lists a practice address at 20101 Lake Chabot RD FL 3, Castro Valley, CA, 94546. Phone: (510) 204-1844. Providers update this record themselves, so call before visiting.
How can I verify Kristin Brew, MD's license?
NPPES lists California license number G73735, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kristin Brew, MD prescribe under Medicare Part D?
In 2024, Kristin Brew, MD had 87 Medicare Part D claims for 42 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.