NPPES file of Aug 9, 2026

Keith J. Boston, M.D.

Family Medicine Physician · Placerville, CA

Keith J. Boston, M.D. is a family medicine physician with a practice address in Placerville, California, and NPI 1609953256, issued on Nov 1, 2006. Check the license (California G53533, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609953256
Name
Keith J. Boston
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G53533 CA
Self-reported in NPPES; status is on the state search
Practice location
3150 Gilmore St, Placerville, CA 95667
Phone
(530) 622-4884
Enumerated
Nov 1, 2006
Record last updated
Sep 25, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(530) 622-1303
Medicaid ID
00G535530 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.
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Verify Keith J. Boston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G53533
    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
Open 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.

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3% fewer Medicare Part D claims than the average family medicine physician in 2024

3,420 Medicare Part D claims for 197 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 96 claims were for opioids.

  1. Keith Boston3,420
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium218 claims
  2. Amlodipine Besylate213 claims
  3. Metoprolol Succinate160 claims
  4. Levothyroxine Sodium158 claims
  5. Rosuvastatin Calcium152 claims
  6. Valsartan115 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): 13.5 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.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%45.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Keith J. Boston among 17,133 family medicine physician records in California

Keith J. Boston, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2007 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 family medicine physician records list a practice address in Placerville

They are 30 of the 989 NPPES records with a practice address in Placerville, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. William Barley, M.D.Placerville, CA 956671619062007
  2. Leanne Camisa, M.D.Placerville, CA 956671124081377
  3. Kathleen Carmer, F.N.PPlacerville, CA 956671558470369
  4. William Klas, M.D.Placerville, CA 956671427059971
  5. William Koble, M.D.Placerville, CA 956671558367102
  6. Catherine Moizeau, MDPlacerville, CA 956671205866613
  7. Lawrence Moore, M.D.Placerville, CA 956671104827377
  8. Rene Orona, MDPlacerville, CA 956671649383399

Common questions

What is Keith J. Boston, M.D.'s NPI number?

Keith J. Boston, M.D.'s National Provider Identifier (NPI) is 1609953256, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Keith J. Boston, M.D. located?

The NPPES record lists a practice address at 3150 Gilmore St, Placerville, CA, 95667. Phone: (530) 622-4884. Providers update this record themselves, so call before visiting.

How can I verify Keith J. Boston, M.D.'s license?

NPPES lists California license number G53533, 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 J. Boston, M.D. prescribe under Medicare Part D?

In 2024, Keith J. Boston, M.D. had 3,420 Medicare Part D claims for 197 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Keith J. Boston, M.D.'s MIPS final score?

The 2023 MIPS final score is 13.5 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.