NPPES file of Aug 9, 2026

Mark Louis Buehnerkemper, O.D.

Optometrist · Lakeport, CA

Mark Louis Buehnerkemper, O.D. is an optometrist with a practice address in Lakeport, California, and NPI 1770694267, issued on Aug 31, 2006. Check the license (California 10676, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770694267
Name
Mark Louis Buehnerkemper
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
10676 CA
Self-reported in NPPES; status is on the state search
Practice location
120 South Main Street, Lakeport, CA 95453
Phone
(707) 263-4294
Enumerated
Aug 31, 2006
Record last updated
Mar 31, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(707) 263-5180
Medicaid ID
SD0106760 1532330 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Mark Louis Buehnerkemper in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 10676
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

93% fewer Medicare Part D claims than the average optometrist in 2024

19 Medicare Part D claims for 14 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Mark Buehnerkemper19
  2. Specialty average277

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.

Optometrist providers in California

There are 8,308 optometrist records in California.

Other optometrist records in California

  1. Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
  2. Saloumeh Abadi, ODSanta Monica, CA1699258756
  3. Davoud AbbasiFillmore, CA1902361678
  4. Christopher Abbott, O.D.Santee, CA1417936220
  5. Sara Abboud, ODAlbany, CA1649052846
  6. Ghezal Abdali, O.D.Tustin, CA1770688640
  7. Nahid Abdali, O.D.San Ramon, CA1700210242
  8. Yasmeen AbdelfattahIrvine, CA1417786617
  9. Marina Abdou, ODUpland, CA1356017321
  10. Angela Abe, OPTModesto, CA1336108885

Common questions

What is Mark Louis Buehnerkemper, O.D.'s NPI number?

Mark Louis Buehnerkemper, O.D.'s National Provider Identifier (NPI) is 1770694267, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Louis Buehnerkemper, O.D. located?

The NPPES record lists a practice address at 120 South Main Street, Lakeport, CA, 95453. Phone: (707) 263-4294. Providers update this record themselves, so call before visiting.

How can I verify Mark Louis Buehnerkemper, O.D.'s license?

NPPES lists California license number 10676, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Louis Buehnerkemper, O.D. prescribe under Medicare Part D?

In 2024, Mark Louis Buehnerkemper, O.D. had 19 Medicare Part D claims for 14 beneficiaries; the average among optometrist prescribers was 277. 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.