John Clarke
Anesthesiology Physician · Clearlake, CA
John Clarke is an anesthesiology physician with a practice address in Clearlake, California, and NPI 1053329359, issued on Aug 3, 2006. Check the license (California NA1636, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Clarke
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- NA1636 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15630 18TH Ave, Clearlake, CA 95422
- Phone
- (707) 994-6486
- Enumerated
- Aug 3, 2006
- Entity
- Type 1 · individual
Also registered at 15630 18TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martina Cordova, FNPFamily Nurse Practitioner1114793643
- Laurie Halversen, LCSWClinical Social Worker1356649545
- Stephenie Hargrove, NPFamily Nurse Practitioner1053927608
- John Hewitt, MDEmergency Medicine Physician1902840176
- Thomas Kreck, MDCritical Care Medicine (Internal Medicine) Physician1457439200
- Linnea Lantz, DOStudent in an Organized Health Care Education/Training Program1841759974
Verify John Clarke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license NA1636Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
The practice group's Medicare quality score for 2023: 78.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $33.25
1 payment, mostly food and beverage; the largest payer was Abbvie Inc.. The 17,418 providers of this specialty with any payment received $898.38 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.
Anesthesiology Physician providers in California
There are 7,276 anesthesiology physician records in California.
Other anesthesiology physician records in California
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- Maher Abadir, MDTurlock, CA1669491718
- Jerry Abajian, M.D.Napa, CA1851336218
- Carolyn AbbasiLoma Linda, CA1811287311
- Christine Abboud, D.O.Walnut Creek, CA1174901508
- Steven Abboud, MDPalo Alto, CA1619364908
- Therese Abboud, M.D.Coronado, CA1003112913
Common questions
What is John Clarke's NPI number?
John Clarke's National Provider Identifier (NPI) is 1053329359, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Clarke located?
The NPPES record lists a practice address at 15630 18TH Ave, Clearlake, CA, 95422. Phone: (707) 994-6486. Providers update this record themselves, so call before visiting.
How can I verify John Clarke's license?
NPPES lists California license number NA1636, 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.
What is John Clarke's Medicare quality score?
The 2023 MIPS final score is 78.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.