NPPES file of Aug 9, 2026

William Koble, M.D.

Family Medicine Physician · Placerville, CA

William Koble, M.D. is a family medicine physician with a practice address in Placerville, California, and NPI 1558367102, issued on Jun 27, 2005. Check the license (California G76138, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558367102
Name
William Koble
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G76138 CA
Self-reported in NPPES; status is on the state search
Practice location
4341 Golden Center Dr, Placerville, CA 95667
Phone
(530) 621-3600
Enumerated
Jun 27, 2005
Record last updated
Dec 18, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080918000220); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 4341 Golden Center Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Peter Barba, M.D.Family Medicine Physician1770647299
  2. Brett Christiansen, MDPediatrics Physician1679546600
  3. Mary Giska, NPFamily Nurse Practitioner1225168693
  4. Ulrich Hacker, MDPediatrics Physician1457342875
  5. Courtney Lacaze-Adams, M.D.Pediatrics Physician1679731889
  6. Jocelyne O'Connor, FNPFamily Nurse Practitioner1801336128

Verify William Koble in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G76138    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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58% more Medicare Part D claims than the average family medicine physician in 2024

5,588 Medicare Part D claims for 622 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 467 claims were for opioids.

  1. William Koble5,588
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium308 claims
  2. Hydrocodone-Acetaminophen263 claims
  3. Levothyroxine Sodium227 claims
  4. Lisinopril148 claims
  5. Losartan Potassium140 claims
  6. Tamsulosin Hcl133 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: $522.29

23 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Koble$522.29
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Marshall Medical CenterPlacerville, CA · Acute Care Hospitals4 of 5 stars

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.

William Koble among 17,133 family medicine physician records in California

William Koble, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1991 · median 2005 among the 10,652 with a school on file
  • Record last updated2013 · 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.

All 17,133 in California → Every provider in Placerville → Family Medicine Physician nationwide →

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. Catherine Moizeau, MDPlacerville, CA 956671205866613
  6. Lawrence Moore, M.D.Placerville, CA 956671104827377
  7. Rene Orona, MDPlacerville, CA 956671649383399
  8. David Ramos, M.D.Placerville, CA 956671962465104

Common questions

What is William Koble, M.D.'s NPI number?

William Koble, M.D.'s National Provider Identifier (NPI) is 1558367102, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Koble, M.D. located?

The NPPES record lists a practice address at 4341 Golden Center Dr, Placerville, CA, 95667. Phone: (530) 621-3600. Providers update this record themselves, so call before visiting.

How can I verify William Koble, M.D.'s license?

NPPES lists California license number G76138, 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 William Koble, M.D. prescribe under Medicare Part D?

In 2024, William Koble, M.D. had 5,588 Medicare Part D claims for 622 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.