Keith Allan Beiermeister, M.D.
Colon & Rectal Surgery Physician · La Jolla, CA
Keith Allan Beiermeister, M.D. is a colon & rectal surgery physician with a practice address in La Jolla, California, and NPI 1508002775, issued on Dec 18, 2008. Check the license (California A125321, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Keith Allan Beiermeister
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- A125321 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9834 Genesee Ave, La Jolla, CA 92037
- Phone
- (858) 558-2272
- Enumerated
- Dec 18, 2008
- Record last updated
- Jul 18, 2025
- Fax
- (858) 558-2285
- Medicare enrollment
- Enrolled (PECOS I20130621000255); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 198 in California → Look up another NPI →
Also registered at 9834 Genesee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Timothy Bilash, M.D., M.S.Obstetrics & Gynecology Physician1437189545
- Joseph Blatt, MDClinical Cardiac Electrophysiology Physician1235242165
- Mark Boiskin, M.D.Nephrology Physician1437154143
- Douglas Bolitho, M.D.Plastic Surgery Physician1740488196
- Kathleen Bulley, AUDAudiologist1477734960
Verify Keith Allan Beiermeister in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125321Check 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 colon & rectal surgery physician in 2024
99 Medicare Part D claims for 43 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 17 claims were for opioids.
Most prescribed
- Oxycodone Hcl14 claims
- Erythromycin13 claims
- Neomycin Sulfate13 claims
- Ondansetron Hcl11 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.
Industry payments in 2024: $1,418.72
20 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 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 one group practice
- Scripps HealthLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keith Allan Beiermeister among 198 colon & rectal surgery physician records in California
Keith Allan Beiermeister, M.D. is one of 198 colon & rectal surgery physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 32% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2006 · median 2002 among the 149 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in California
There are 198 colon & rectal surgery physician records in California.
All 198 in California → Every provider in La Jolla → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Robert Brookover, MDLa Jolla, CA 920371376897629
- Lynn Weston, MDLa Jolla, CA 920371053482000
- Michael Worsey, MDLa Jolla, CA 920371629091145
- Harold Bohman, M.D.Camp Pendleton, CA 920551891793600
- Dhruvil Gandhi, M.D.Vista, CA 920831083887277
- Elisabeth McLemore, M.D.La Jolla, CA 920931649255621
- Benjamin Abbadessa, M.D.San Diego, CA 921031255593612
- Samuel Eisenstein, MDSan Diego, CA 921031194983932
Common questions
What is Keith Allan Beiermeister, M.D.'s NPI number?
Keith Allan Beiermeister, M.D.'s National Provider Identifier (NPI) is 1508002775, issued on Dec 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Keith Allan Beiermeister, M.D. located?
The NPPES record lists a practice address at 9834 Genesee Ave, La Jolla, CA, 92037. Phone: (858) 558-2272. Providers update this record themselves, so call before visiting.
How can I verify Keith Allan Beiermeister, M.D.'s license?
NPPES lists California license number A125321, 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 Keith Allan Beiermeister, M.D. prescribe under Medicare Part D?
In 2024, Keith Allan Beiermeister, M.D. had 99 Medicare Part D claims for 43 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. 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.