Kimberly S. Thayer, MD
Urology Physician · Anaheim, CA
Kimberly S. Thayer, MD is a urology physician with a practice address in Anaheim, California, and NPI 1851478713, issued on Oct 31, 2006. Check the license (California A60138, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kimberly S. Thayer
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- A60138 CA
4301516062 MI
Self-reported in NPPES; status is on the state search - Practice location
- 441 N Lakeview Ave, Anaheim, CA 92807
- Phone
- (714) 279-4000
- Enumerated
- Oct 31, 2006
- Record last updated
- Jan 30, 2026
- Medicaid ID
- 00A601380 CA
- Medicare enrollment
- Enrolled (PECOS I20081222000592); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Also registered at 441 N Lakeview Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kimberly S. Thayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A60138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average urology physician in 2024
1,301 Medicare Part D claims for 367 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Tamsulosin Hcl335 claims
- Finasteride277 claims
- Myrbetriq111 claims
- Gemtesa110 claims
- Terazosin Hcl68 claims
- Cephalexin51 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.
3 hospitals and group practices
- Bronson Battle Creek HospitalBattle Creek, MI · Acute Care Hospitals3 of 5 stars
- Enloe Medical CenterChico, CA
- Scl Health Medical Group - Billings LLCBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Kimberly S. Thayer among 1,524 urology physician records in California
Kimberly S. Thayer, MD is one of 1,524 urology physician records with a practice address in California. 82% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 51% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1994 · median 2003 among the 1,049 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Anaheim → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Ashok Chopra, MDAnaheim, CA 928071689745598
- Yenning Chuang, MDAnaheim, CA 928071164593117
- Mohammad Faysal, MDAnaheim, CA 928071942371984
- Amir Houshiar, MDAnaheim, CA 928071598836405
- Sang-Min Lee, MDAnaheim, CA 928071770655003
- Frank Newman, MDAnaheim, CA 928071316014327
- Khoa Tran, MDAnaheim, CA 928071033268388
- George AbdelsayedAnaheim, CA 928061568721843
Common questions
What is Kimberly S. Thayer, MD's NPI number?
Kimberly S. Thayer, MD's National Provider Identifier (NPI) is 1851478713, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kimberly S. Thayer, MD located?
The NPPES record lists a practice address at 441 N Lakeview Ave, Anaheim, CA, 92807. Phone: (714) 279-4000. Providers update this record themselves, so call before visiting.
How can I verify Kimberly S. Thayer, MD's license?
NPPES lists California license number A60138, 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 Kimberly S. Thayer, MD prescribe under Medicare Part D?
In 2024, Kimberly S. Thayer, MD had 1,301 Medicare Part D claims for 367 beneficiaries; the average among urology physician prescribers was 1,340. 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.