NPPES file of Aug 9, 2026

Tyson Riesenberg, MD

Anesthesiology Physician · San Diego, CA

Tyson Riesenberg, MD is an anesthesiology physician with a practice address in San Diego, California, and NPI 1255590642, issued on Jun 2, 2008. Check the license (California A98746, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255590642
Name
Tyson Riesenberg
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A98746 CA
Self-reported in NPPES; status is on the state search
Practice location
200 West Arbor Drive, San Diego, CA 92103
Phone
(619) 543-5720
Enumerated
Jun 2, 2008
Record last updated
Jul 28, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20101109000389); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2005
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.
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Also registered at 200 West Arbor Drive

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

  1. Giuseppe Ammirati, M.D.Diagnostic Radiology Physician1861653990
  2. Sonia Ancoli-Israel, PHDClinical Psychologist1437209707
  3. John AustinStudent in an Organized Health Care Education/Training Program1902548886
  4. Austin Ayer, MDStudent in an Organized Health Care Education/Training Program1376245878
  5. Fadi AzarStudent in an Organized Health Care Education/Training Program1720780547
  6. Benjamin Baker, MDUrology Physician1104365188

Verify Tyson Riesenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A98746
    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.

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Bills Medicare through one group practice

  1. Western Anesthesia Associates LLCBountiful, UT

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

Tyson Riesenberg among 7,571 anesthesiology physician records in California

Tyson Riesenberg, 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 2008, is newer than 57% of them.

  • NPI issued2008 · 57% of these records are older, 39% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2005 · median 2006 among the 4,868 with a school on file
  • Record last updated2009 · 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).

686 anesthesiology physician records list a practice address in San Diego

They are 686 of the 52,937 NPPES records with a practice address in San Diego, and 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Wendy Abramson, MDSan Diego, CA 921031568439644
  2. Jonathan Benumof, MDSan Diego, CA 921031194771816
  3. Dustin Coyle, MDSan Diego, CA 921031194777235
  4. Brent Fundingsland, M.D.San Diego, CA 921031831166560
  5. Michael Gibbs, MDSan Diego, CA 921031376595926
  6. Justin Heil, M.D., PHDSan Diego, CA 921031710932223
  7. Sidney Merritt, MDSan Diego, CA 921031881691772
  8. Richard O'Leary, MDSan Diego, CA 921031275585937

Common questions

What is Tyson Riesenberg, MD's NPI number?

Tyson Riesenberg, MD's National Provider Identifier (NPI) is 1255590642, issued on Jun 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Tyson Riesenberg, MD located?

The NPPES record lists a practice address at 200 West Arbor Drive, San Diego, CA, 92103. Phone: (619) 543-5720. Providers update this record themselves, so call before visiting.

How can I verify Tyson Riesenberg, MD's license?

NPPES lists California license number A98746, 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.

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.