NPPES file of Aug 9, 2026

Allyson Agulto Wang, M.D.

Obstetrics & Gynecology Physician · Fontana, CA

Allyson Agulto Wang, M.D. is an obstetrics & gynecology physician with a practice address in Fontana, California, and NPI 1417341439, issued on Mar 27, 2015. Check the license (California A160264, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417341439
Name
Allyson Agulto Wang
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A160264 CA
Self-reported in NPPES; status is on the state search
Practice location
9961 Sierra Ave, Fontana, CA 92335
Phone
(562) 787-8027
Enumerated
Mar 27, 2015
Record last updated
Apr 29, 2023
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 9961 Sierra Ave

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

  1. Solomon Abila, MDFamily Medicine Physician1871652479
  2. Jenny Abouelsood, M.D.Family Medicine Physician1457638512
  3. Marla Abrolat, MDPediatrics Physician1164593133
  4. Eduardo Acosta, MDPediatrics Physician1497803324
  5. Michael Adair, MDFamily Medicine Physician1780732651
  6. Berneva Adams, MDObstetrics & Gynecology Physician1376602987

Verify Allyson Agulto Wang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A160264
    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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72% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

46 Medicare Part D claims for 23 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Allyson Wang46
  2. Specialty average165

Most prescribed

  1. Estradiol20 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.

Allyson Agulto Wang among 5,088 obstetrics & gynecology physician records in California

Allyson Agulto Wang, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.

  • NPI issued2015 · 83% of these records are older, 15% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2023 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

50 obstetrics & gynecology physician records list a practice address in Fontana

They are 50 of the 3,012 NPPES records with a practice address in Fontana, and 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Berneva Adams, MDFontana, CA 923351376602987
  2. Curt Bouma, MDFontana, CA 923351629145537
  3. Kenneth Griffis Jr., MDFontana, CA 923351437218146
  4. Jerrelyn Inocencio-Diaz, MDFontana, CA 923351326115163
  5. Linda Knudtson, MDFontana, CA 923351689745622
  6. Sung Lee, MDFontana, CA 923351124195276
  7. Elaine Pan, MDFontana, CA 923351821165721
  8. Rodney Parker, MDFontana, CA 923351437226396

Common questions

What is Allyson Agulto Wang, M.D.'s NPI number?

Allyson Agulto Wang, M.D.'s National Provider Identifier (NPI) is 1417341439, issued on Mar 27, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Allyson Agulto Wang, M.D. located?

The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (562) 787-8027. Providers update this record themselves, so call before visiting.

How can I verify Allyson Agulto Wang, M.D.'s license?

NPPES lists California license number A160264, 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 Allyson Agulto Wang, M.D. prescribe under Medicare Part D?

In 2024, Allyson Agulto Wang, M.D. had 46 Medicare Part D claims for 23 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

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.