NPPES file of Aug 9, 2026

Alison Delargy McWilliams, D.O.

Hospitalist Physician · Sacramento, CA

Alison Delargy McWilliams, D.O. is a hospitalist physician with a practice address in Sacramento, California, and NPI 1740629476, issued on Jun 15, 2013. Check the license (California 20A13847, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1740629476
Name
Alison Delargy McWilliams
Credential
D.O.
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
20A13847 CA
DO2855 NV
Self-reported in NPPES; status is on the state search
Practice location
2516 Stockton Blvd, Sacramento, CA 95817
Phone
(916) 734-2428
Enumerated
Jun 15, 2013
Record last updated
May 4, 2021 (not updated in 5 years: call before relying on the address or phone)
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 2516 Stockton Blvd

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

  1. Ajjya Acharya, MDPediatrics Physician1760970354
  2. Jessica Ahn, MDStudent in an Organized Health Care Education/Training Program1124722111
  3. Abdullah Ahram, MDPediatrics Physician1336297795
  4. Roger Akins, D.O.Developmental - Behavioral Pediatrics Physician1881666055
  5. Natalie AlvaradoStudent in an Organized Health Care Education/Training Program1851230247
  6. Brighton AlveyStudent in an Organized Health Care Education/Training Program1316643083

Verify Alison Delargy McWilliams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A13847
    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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Alison Delargy McWilliams among 3,099 hospitalist physician records in California

Alison Delargy McWilliams, D.O. 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 not. Its NPI, issued in 2013, is newer than 56% of them.

  • NPI issued2013 · 56% of these records are older, 39% newer
  • In a Medicare fileNo · 90% of these records are
  • In the CMS Doctors and Clinicians fileNo · 81% of these records are
  • Record last updated2021 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Simon Ascher, M.D., M.P.H.Sacramento, CA 958171558604835
  2. Xiao Cai, M.D.Sacramento, CA 958171205070067
  3. Gerardo CanedoSacramento, CA 958171588068969
  4. Wendy Chu, M.D.Sacramento, CA 958171780901231
  5. Theresa DuongSacramento, CA 958171245506872
  6. Willard Ellis, MDSacramento, CA 958171306824503
  7. Ranganathan Madhavan, M.D.Sacramento, CA 958171043355019
  8. Emily Marquet, M.D.Sacramento, CA 958171972869402

Common questions

What is Alison Delargy McWilliams, D.O.'s NPI number?

Alison Delargy McWilliams, D.O.'s National Provider Identifier (NPI) is 1740629476, issued on Jun 15, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Alison Delargy McWilliams, D.O. located?

The NPPES record lists a practice address at 2516 Stockton Blvd, Sacramento, CA, 95817. Phone: (916) 734-2428. Providers update this record themselves, so call before visiting.

How can I verify Alison Delargy McWilliams, D.O.'s license?

NPPES lists California license number 20A13847, 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. 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.