Robert C. Hartmann, MD
Internal Medicine Physician · Jackson, CA
Robert C. Hartmann, MD is an internal medicine physician with a practice address in Jackson, California, and NPI 1922019017, issued on Aug 11, 2006. Check the license (California C42503, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert C. Hartmann
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C42503 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Mission Blvd Ste 2200, Jackson, CA 95642
- Phone
- (209) 257-5900
- Enumerated
- Aug 11, 2006
- Record last updated
- Feb 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (209) 257-5901
- Medicaid ID
- 00C425030 CA
- Medicare enrollment
- Enrolled (PECOS I20100622000191); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 1975
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 100 Mission Blvd Ste 2200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alan Belch, PA-CPhysician Assistant1639244296
- Scott Heatley, M.D.Internal Medicine Physician1275609729
- Robert Monie, M.D.Pulmonary Disease Physician1972567683
- Michelle Roland, MDInternal Medicine Physician1649357179
Verify Robert C. Hartmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C42503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
322 Medicare Part D claims for 105 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium18 claims
- Levothyroxine Sodium17 claims
- Lisinopril17 claims
- Albuterol Sulfate Hfa14 claims
- Eliquis12 claims
- Furosemide11 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.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationJackson, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
13 internal medicine physician records list a practice address in Jackson
They are 13 of the 295 NPPES records with a practice address in Jackson, and 17,696 internal medicine physician records in California.
All 13 in Jackson → All 17,696 in California → Every provider in Jackson →
Other internal medicine physician records in California
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- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Robert C. Hartmann, MD's NPI number?
Robert C. Hartmann, MD's National Provider Identifier (NPI) is 1922019017, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert C. Hartmann, MD located?
The NPPES record lists a practice address at 100 Mission Blvd Ste 2200, Jackson, CA, 95642. Phone: (209) 257-5900. Providers update this record themselves, so call before visiting.
How can I verify Robert C. Hartmann, MD's license?
NPPES lists California license number C42503, 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 Robert C. Hartmann, MD prescribe under Medicare Part D?
In 2024, Robert C. Hartmann, MD had 322 Medicare Part D claims for 105 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.