Registry data as of Aug 27, 2026

Asya Ofshteyn, MD, MPH

Colon & Rectal Surgery Physician · San Jose, CA

Asya Ofshteyn, MD, MPH is a colon & rectal surgery physician with a practice address in San Jose, California, and NPI 1275929606, issued on Apr 13, 2015. Check the license (California 191919, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1275929606
Name
Asya Ofshteyn
Credential
MD, MPH
Primary taxonomy
Colon & Rectal Surgery Physician 208C00000X
License number
191919 CA
Self-reported in NPPES; status is on the state search
Practice location
2440 Samaritan Dr Ste 1, San Jose, CA 95124
Phone
(408) 478-6750
Enumerated
Apr 13, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2440 Samaritan Dr Ste 1

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Archana Dhawan, M.D.Nephrology Physician1649294273
  2. Khoi Hoang, MDNephrology Physician1821099359

Verify Asya Ofshteyn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 191919
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

85% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024

32 Medicare Part D claims for 28 beneficiaries, against an average of 210 among the 1,179 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.

  1. Asya Ofshteyn32
  2. Specialty average210

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf13 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: $292.26

10 payments, mostly food and beverage; the largest payer was Biotissue Holdings Inc.. The 1,002 providers of this specialty with any payment received $3,284.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Asya Ofshteyn$292.26
  2. Specialty average$3,284.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Colon & Rectal Surgery Physician providers in California

There are 142 colon & rectal surgery physician records in California.

Other colon & rectal surgery physician records in California

  1. Kenneth Aaron, M.D.Newport Beach, CA1689809162
  2. Michael Abel, M.D.San Francisco, CA1447253380
  3. Piyush Aggarwal, MDWalnut Creek, CA1700070273
  4. Allison Aka, MDLoma Linda, CA1891130100
  5. Ahmed Alkoraishi, MDHayward, CA1609954478
  6. Robert Allen, MDSanta Cruz, CA1871586610
  7. Shohrat Annaberdyev, M.D.Roseville, CA1386888147
  8. Elizabeth Arcila, M.D.Irvine, CA1093056780
  9. Glenn Ault, M.D.Los Angeles, CA1295749802
  10. Anil Bahadursingh, MDAnaheim, CA1750485363

Common questions

What is Asya Ofshteyn, MD, MPH's NPI number?

Asya Ofshteyn, MD, MPH's National Provider Identifier (NPI) is 1275929606, issued on Apr 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Asya Ofshteyn, MD, MPH located?

The NPPES record lists a practice address at 2440 Samaritan Dr Ste 1, San Jose, CA, 95124. Phone: (408) 478-6750. Providers update this record themselves, so call before visiting.

How can I verify Asya Ofshteyn, MD, MPH's license?

NPPES lists California license number 191919, 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 Asya Ofshteyn, MD, MPH prescribe under Medicare Part D?

In 2024, Asya Ofshteyn, MD, MPH had 32 Medicare Part D claims for 28 beneficiaries; the average among colon & rectal surgery physician prescribers was 210. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.