Kathryn Lynn Brewer, MD
Internal Medicine Physician · Solvang, CA
Kathryn Lynn Brewer, MD is an internal medicine physician with a practice address in Solvang, California, and NPI 1528042470, issued on Dec 5, 2005. Check the license (California A125955, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kathryn Lynn Brewer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A125955 CA
18020 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1992 Old Mission Dr Ste 140, Solvang, CA 93463
- Phone
- (805) 614-5690
- Enumerated
- Dec 5, 2005
- Record last updated
- Dec 20, 2022
- Medicare enrollment
- Enrolled (PECOS I20210208002254); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1992 Old Mission Dr Ste 140
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristin Bergstrom, MDPediatrics Physician1679568711
- Courtney Paxson, PA-CPhysician Assistant1518486133
Verify Kathryn Lynn Brewer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,665 Medicare Part D claims for 210 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium149 claims
- Atorvastatin Calcium109 claims
- Lisinopril92 claims
- Losartan Potassium75 claims
- Ozempic60 claims
- Amlodipine Besylate52 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.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $40.34
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Cottage Clinical AssociatesSolvang, CA
- Cottage Medical FoundationGoleta, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Lynn Brewer among 17,696 internal medicine physician records in California
Kathryn Lynn Brewer, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1990 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Solvang
They are 10 of the 155 NPPES records with a practice address in Solvang, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Solvang → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lisa Clement, M.D.Solvang, CA 934631952486094
- Gustavo Dascanio, MDSolvang, CA 934631255366548
- William Heringer, MDSolvang, CA 934631528173127
- Roger Lane, MDSolvang, CA 934631154424240
- Miguel Loya, D.O.Solvang, CA 934631619281532
- Kiran Mariwalla, MDSolvang, CA 934631558471433
- Shayli MerloSolvang, CA 934631619342854
- Kim Peters, MDSolvang, CA 934631972617926
Common questions
What is Kathryn Lynn Brewer, MD's NPI number?
Kathryn Lynn Brewer, MD's National Provider Identifier (NPI) is 1528042470, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Lynn Brewer, MD located?
The NPPES record lists a practice address at 1992 Old Mission Dr Ste 140, Solvang, CA, 93463. Phone: (805) 614-5690. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Lynn Brewer, MD's license?
NPPES lists California license number A125955, 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 Kathryn Lynn Brewer, MD prescribe under Medicare Part D?
In 2024, Kathryn Lynn Brewer, MD had 1,665 Medicare Part D claims for 210 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Kathryn Lynn Brewer, MD's MIPS final score?
The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.