Ashwin Doss, M.D.
Hospitalist Physician · Modesto, CA
Ashwin Doss, M.D. is a hospitalist physician with a practice address in Modesto, California, and NPI 1184839615, issued on May 10, 2007. Check the license (California C140420, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ashwin Doss
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- C140420 CA
2009-01501 NC
Self-reported in NPPES; status is on the state search - Practice location
- 600 Coffee RD, Modesto, CA 95355
- Phone
- (209) 524-1211
- Enumerated
- May 10, 2007
- Record last updated
- Jul 13, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160928002213); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 600 Coffee RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ashwin Doss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C140420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average hospitalist physician in 2024
215 Medicare Part D claims for 92 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 17 claims were for opioids.
Most prescribed
- Pantoprazole Sodium16 claims
- Cefpodoxime Proxetil13 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 NetworkConcord, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashwin Doss among 3,099 hospitalist physician records in California
Ashwin Doss, 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 2007, is newer than 27% of them.
- NPI issued2007 · 27% of these records are older, 66% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2004 · median 2010 among the 2,505 with a school on file
- Record last updated2018 · 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 Modesto → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Christopher Anago, M.D.Modesto, CA 953551578529673
- Ricardo Brizuela, MDModesto, CA 953551174605224
- Sohail Gagan, M.D.Modesto, CA 953551821054594
- Samuel Ko, M.D.Modesto, CA 953551790826279
- Hien Le, MDModesto, CA 953551366408460
- Martin Lim, MDModesto, CA 953551558397588
- Abrar Mirza, MDModesto, CA 953551679530380
- Thong Nguyen, MDModesto, CA 953551912965096
Common questions
What is Ashwin Doss, M.D.'s NPI number?
Ashwin Doss, M.D.'s National Provider Identifier (NPI) is 1184839615, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ashwin Doss, M.D. located?
The NPPES record lists a practice address at 600 Coffee RD, Modesto, CA, 95355. Phone: (209) 524-1211. Providers update this record themselves, so call before visiting.
How can I verify Ashwin Doss, M.D.'s license?
NPPES lists California license number C140420, 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 Ashwin Doss, M.D. prescribe under Medicare Part D?
In 2024, Ashwin Doss, M.D. had 215 Medicare Part D claims for 92 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Ashwin Doss, 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.