NPPES file of Aug 9, 2026

Otto J. Thomas, MD

Anesthesiology Physician · Marysville, CA

Otto J. Thomas, MD is an anesthesiology physician with a practice address in Marysville, California, and NPI 1073804118, issued on Apr 25, 2011. Check the license (California A123150, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073804118
Name
Otto J. Thomas
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A123150 CA
Self-reported in NPPES; status is on the state search
Practice location
726 4TH St, Marysville, CA 95901
Phone
(530) 749-4300
Enumerated
Apr 25, 2011
Record last updated
Sep 15, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160907000946); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 726 4TH St

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

  1. James Babeshoff, CRNACertified Registered Nurse Anesthetist1023011574
  2. Amanda Badgett, RNCertified Registered Nurse Anesthetist1558826461
  3. Sukhraj Balhan, MDCritical Care Medicine (Internal Medicine) Physician1194169292
  4. Hamad Bath, DPTPhysical Therapist1437906633
  5. Robert Boardman, C.R.N.A.Certified Registered Nurse Anesthetist1417983321
  6. Harmony Boeh, RD, CNSCRegistered Dietitian1083812119

Verify Otto J. Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A123150
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 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.

  1. Qualityout of 100 · 30% of the final score89.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Anesthesia Service Medical GroupSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Otto J. Thomas among 7,571 anesthesiology physician records in California

Otto J. Thomas, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 68% of them.

  • NPI issued2011 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2011 · median 2006 among the 4,868 with a school on file
  • Record last updated2016 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 anesthesiology physician records list a practice address in Marysville

They are 15 of the 708 NPPES records with a practice address in Marysville, and 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. James Calabrese, MDMarysville, CA 959011336192137
  2. Steve Chow, MDMarysville, CA 959011427001221
  3. Harmanjeet Dhaliwal, M.D.Marysville, CA 959011235178658
  4. Harjinder Dhaliwal, M.D.Marysville, CA 959011609819895
  5. Kelley Kalin, D.O.Marysville, CA 959011972777225
  6. Alam Khan, MDMarysville, CA 959011568403194
  7. Radhika Levaka, MDMarysville, CA 959011881821080
  8. Brett Mathieson, MDMarysville, CA 959011538112339

Common questions

What is Otto J. Thomas, MD's NPI number?

Otto J. Thomas, MD's National Provider Identifier (NPI) is 1073804118, issued on Apr 25, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Otto J. Thomas, MD located?

The NPPES record lists a practice address at 726 4TH St, Marysville, CA, 95901. Phone: (530) 749-4300. Providers update this record themselves, so call before visiting.

How can I verify Otto J. Thomas, MD's license?

NPPES lists California license number A123150, 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.

What is Otto J. Thomas, MD's MIPS final score?

The 2023 MIPS final score is 100 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.