John H. Chartier, M.D.
Hospitalist Physician · Concord, CA
John H. Chartier, M.D. is a hospitalist physician with a practice address in Concord, California, and NPI 1659390649, issued on Jul 19, 2006. Check the license (California A54716, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John H. Chartier
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A54716 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2700 Grant St, Concord, CA 94520
- Phone
- (925) 674-2609
- Enumerated
- Jul 19, 2006
- Record last updated
- Aug 25, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (925) 674-2211
- Medicaid ID
- 00A547160 CA
- Medicare enrollment
- Enrolled (PECOS I20041124000769); may accept Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 2700 Grant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mike Bannout, M.D.Internal Medicine Physician1598784662
Verify John H. Chartier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A54716Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average hospitalist physician in 2024
295 Medicare Part D claims for 119 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Pantoprazole Sodium23 claims
- Hydrocodone-Acetaminophen20 claims
- Cefpodoxime Proxetil15 claims
- Eliquis13 claims
- Metoprolol Succinate11 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 practice group's MIPS final score for 2023 (Medicare payment program): 85.7 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).
Bills Medicare through one group practice
- John Muir Physician NetworkBrentwood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John H. Chartier among 3,099 hospitalist physician records in California
John H. Chartier, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1994 · median 2010 among the 2,505 with a school on file
- Record last updated2015 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Concord → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Sweta Ghodasara, M.D.Concord, CA 945201851520225
- Kari Grabowsky, M.D.Concord, CA 945201578530218
- Eric Hoenig, M.D.Concord, CA 945201003939422
- Shamroze KhanConcord, CA 945201376936856
- Kristin Leonard, DOConcord, CA 945201790195089
- Thomas Nguyen, M.D.Concord, CA 945201669807699
- Jennifer O'Neill-Cha, M.D.Concord, CA 945201033479936
- Amit Rajguru, M.D.Concord, CA 945201225007149
Common questions
What is John H. Chartier, M.D.'s NPI number?
John H. Chartier, M.D.'s National Provider Identifier (NPI) is 1659390649, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John H. Chartier, M.D. located?
The NPPES record lists a practice address at 2700 Grant St, Concord, CA, 94520. Phone: (925) 674-2609. Providers update this record themselves, so call before visiting.
How can I verify John H. Chartier, M.D.'s license?
NPPES lists California license number A54716, 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 H. Chartier, M.D. prescribe under Medicare Part D?
In 2024, John H. Chartier, M.D. had 295 Medicare Part D claims for 119 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is John H. Chartier, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 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), 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.