John Joseph Champlin, M.D.
Family Medicine Physician · Carmichael, CA
John Joseph 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 Joseph 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
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080519000392); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
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 Joseph 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 3,544 among the 117,163 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; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Joseph Champlin among 17,133 family medicine physician records in California
John Joseph Champlin, 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 fileYes · 62% of these records are
- Graduated1983 · median 2005 among the 10,652 with a school on file
- 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).
21 family medicine physician records list a practice address in Carmichael
They are 21 of the 1,440 NPPES records with a practice address in Carmichael, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Carmichael → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Frances Ada, M.D.Carmichael, CA 956081598709123
- Frances Broddrick, M.D.Carmichael, CA 956081649227885
- Ying Brown, M.D.Carmichael, CA 956081407063357
- Harold Ewing, PACarmichael, CA 956081811067317
- Reinhardt Hilzinger, M.D.Carmichael, CA 956081255436044
- Leonard Magnani, M.D., PH.D.Carmichael, CA 956081699866632
- Anna Petrovich, D.O.Carmichael, CA 956081245331537
- Tan Pham, M.D.Carmichael, CA 956081548374200
Common questions
What is John Joseph Champlin, M.D.'s NPI number?
John Joseph 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 Joseph 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 Joseph 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 Joseph Champlin, M.D. prescribe under Medicare Part D?
In 2024, John Joseph Champlin, M.D. had 1,092 Medicare Part D claims for 92 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.
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.