Thomas Roschak, MD
Hematology & Oncology Physician · Auburn, CA
Thomas Roschak, MD is a hematology & oncology physician with a practice address in Auburn, California, and NPI 1730252917, issued on Nov 16, 2006. Check the license (California 00A243690, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Roschak
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 00A243690 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11971 Heritage Oak Place, Auburn, CA 95603
- Phone
- (530) 885-0644
- Enumerated
- Nov 16, 2006
- Record last updated
- Oct 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (530) 885-6582
- Medicaid ID
- 2705416 CA
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Verify Thomas Roschak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 00A243690Check 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 hematology & oncology physician in 2024
11 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
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.
Thomas Roschak among 1,583 hematology & oncology physician records in California
Thomas Roschak, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2008 · 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 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Auburn → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Dron Gauchan, M.DAuburn, CA 956021487805784
- Prathima Prodduturi, M.D.Auburn, CA 956021356505473
- Vijay Suhag, M.D.Auburn, CA 956021063682433
- Khine Win, M.D.Auburn, CA 956021447525530
- Gregory Blair, M.D.Carmichael, CA 956081598731291
- John Kailath, M.D.Carmichael, CA 956081619943313
- Hanh La, M.D.Carmichael, CA 956081316143902
- Ram Lalchandani, M.D.Carmichael, CA 956081114993813
Common questions
What is Thomas Roschak, MD's NPI number?
Thomas Roschak, MD's National Provider Identifier (NPI) is 1730252917, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Roschak, MD located?
The NPPES record lists a practice address at 11971 Heritage Oak Place, Auburn, CA, 95603. Phone: (530) 885-0644. Providers update this record themselves, so call before visiting.
How can I verify Thomas Roschak, MD's license?
NPPES lists California license number 00A243690, 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 Thomas Roschak, MD prescribe under Medicare Part D?
In 2024, Thomas Roschak, MD had 11 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. 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.