Jan Hendrik Trobisch, M.D.
Internal Medicine Physician · Bakersfield, CA
Jan Hendrik Trobisch, M.D. is an internal medicine physician with a practice address in Bakersfield, California, and NPI 1548312333, issued on Jan 18, 2007. Check the license (California A83160, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jan Hendrik Trobisch
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A83160 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4100 Empire Dr, Bakersfield, CA 93309
- Phone
- (661) 878-9100
- Enumerated
- Jan 18, 2007
- Record last updated
- Dec 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (661) 878-9101
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Jan Hendrik Trobisch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83160Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
16 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $422.85
12 payments; by number, the most common kind was food and beverage; the largest payer was Braeburn Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Jan Hendrik Trobisch among 17,696 internal medicine physician records in California
Jan Hendrik Trobisch, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
214 internal medicine physician records list a practice address in Bakersfield
They are 214 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Bakersfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Carlos Alvarez, MDBakersfield, CA 933091891805610
- Kusum Desai, MDBakersfield, CA 933091962444570
- Russell Enoch, D.O.Bakersfield, CA 933091811009525
- Thin Han, M.D.Bakersfield, CA 933091356319826
- Joseph Hayes, D.O.Bakersfield, CA 933091083681498
- Rusong Huang, MDBakersfield, CA 933091598767949
- Ju Hwan Lee, MDBakersfield, CA 933091619969847
- Mark Lin, MDBakersfield, CA 933091528050754
Common questions
What is Jan Hendrik Trobisch, M.D.'s NPI number?
Jan Hendrik Trobisch, M.D.'s National Provider Identifier (NPI) is 1548312333, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jan Hendrik Trobisch, M.D. located?
The NPPES record lists a practice address at 4100 Empire Dr, Bakersfield, CA, 93309. Phone: (661) 878-9100. Providers update this record themselves, so call before visiting.
How can I verify Jan Hendrik Trobisch, M.D.'s license?
NPPES lists California license number A83160, 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 Jan Hendrik Trobisch, M.D. prescribe under Medicare Part D?
In 2024, Jan Hendrik Trobisch, M.D. had 16 Medicare Part D claims; 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.