NPPES file of Aug 9, 2026

Ryan Yoshio Swartz Suda, M.D.

Anesthesiology Physician · Walnut Creek, CA

Ryan Yoshio Swartz Suda, M.D. is an anesthesiology physician with a practice address in Walnut Creek, California, and NPI 1518232719, issued on Mar 20, 2012. Check the license (California A128128, 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
1518232719
Name
Ryan Yoshio Swartz Suda
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A128128 CA
Self-reported in NPPES; status is on the state search
Practice location
1425 S Main St, Walnut Creek, CA 94596
Phone
(925) 295-4000
Enumerated
Mar 20, 2012
Record last updated
Aug 15, 2023
Medicare enrollment
Enrolled (PECOS I20170705002548); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2012
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 1425 S Main St

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

  1. Eric AaserudeEmergency Medicine Physician1811491194
  2. Derek Abbassi, MDObstetrics & Gynecology Physician1841364155
  3. Peter Ackerman, MDEmergency Medicine Physician1427435023
  4. Aaron Mark Acosta, DOEmergency Medicine Physician1538789987
  5. Basil Adad, MDOtolaryngology Physician1487732574
  6. Derek Ailes, M.D.Emergency Medical Services (Emergency Medicine) Physician1992001804

Verify Ryan Yoshio Swartz Suda in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A128128
    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. Permanente Medical Group IncWalnut Creek, CA

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

Ryan Yoshio Swartz Suda among 7,571 anesthesiology physician records in California

Ryan Yoshio Swartz Suda, M.D. 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 2012, is newer than 70% of them.

  • NPI issued2012 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2012 · median 2006 among the 4,868 with a school on file
  • Record last updated2023 · 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).

100 anesthesiology physician records list a practice address in Walnut Creek

They are 100 of the 6,170 NPPES records with a practice address in Walnut Creek, and 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Ralph Berten, MDWalnut Creek, CA 945961235217316
  2. Thomas Burns, MDWalnut Creek, CA 945961700964863
  3. Edward Cha, M.D.Walnut Creek, CA 945961750358800
  4. Steven Chang, M.D.Walnut Creek, CA 945961427090414
  5. Parminder Chopra, MDWalnut Creek, CA 945961619055787
  6. Michael Ennis, MDWalnut Creek, CA 945961205914363
  7. Dennis Fua, M.D.Walnut Creek, CA 945961427031335
  8. Michael Hernandez, MDWalnut Creek, CA 945961790732527

Common questions

What is Ryan Yoshio Swartz Suda, M.D.'s NPI number?

Ryan Yoshio Swartz Suda, M.D.'s National Provider Identifier (NPI) is 1518232719, issued on Mar 20, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Yoshio Swartz Suda, M.D. located?

The NPPES record lists a practice address at 1425 S Main St, Walnut Creek, CA, 94596. Phone: (925) 295-4000. Providers update this record themselves, so call before visiting.

How can I verify Ryan Yoshio Swartz Suda, M.D.'s license?

NPPES lists California license number A128128, 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.