John Champlin, M.D.
Family Medicine Physician · Carmichael, CA
John Champlin, M.D. is a family medicine physician with a practice address in Carmichael, California, and NPI 1891865408, issued on Nov 9, 2006. Check the license (California 00G531130, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Champlin
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 00G531130 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6651 Madison Ave, Carmichael, CA 95608
- Phone
- (916) 965-1111
- Enumerated
- Nov 9, 2006
- Entity
- Type 1 · individual
Also registered at 6651 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Reshma Afsar, NPNurse Practitioner1437682390
- Amber Emery Esparza, PA-CMedical Physician Assistant1710136833
- Harold Ewing, PAFamily Medicine Physician1811067317
- Paul Kubin, P.A.Physician Assistant1770833352
- Stephen Smith, PA-CPhysician Assistant1740737808
- Preetpal VirkFamily Nurse Practitioner1285379636
Verify John Champlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 00G531130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
69% fewer Medicare Part D claims than the average family medicine physician in 2024
1,092 Medicare Part D claims for 92 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. 174 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen101 claims
- Levothyroxine Sodium60 claims
- Lisinopril45 claims
- Atorvastatin Calcium37 claims
- Metformin Hcl32 claims
- Oxycodone Hcl27 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: $139.83
6 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 53,013 providers of this specialty with any payment received $861.30 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.
24 family medicine physician records list a Carmichael practice address
They are 24 of the 1,440 NPPES records with a Carmichael practice address, and 16,272 family medicine physician records in California.
All 24 in Carmichael → All 16,272 in California → Every provider in Carmichael →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is John Champlin, M.D.'s NPI number?
John Champlin, M.D.'s National Provider Identifier (NPI) is 1891865408, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Champlin, M.D. located?
The NPPES record lists a practice address at 6651 Madison Ave, Carmichael, CA, 95608. Phone: (916) 965-1111. Providers update this record themselves, so call before visiting.
How can I verify John Champlin, M.D.'s license?
NPPES lists California license number 00G531130, 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 John Champlin, M.D. prescribe under Medicare Part D?
In 2024, John Champlin, M.D. had 1,092 Medicare Part D claims for 92 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
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.