NPPES file of Aug 9, 2026

Allen L. Hwang, MD

Plastic Surgery within the Head & Neck (Otolaryngology) Physician · Fontana, CA

Allen L. Hwang, MD is a plastic surgery within the head & neck (otolaryngology) physician with a practice address in Fontana, California, and NPI 1164599072, issued on Nov 29, 2006. Check the license (California G60713, 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
1164599072
Name
Allen L. Hwang
Credential
MD
Primary taxonomy
Plastic Surgery within the Head & Neck (Otolaryngology) Physician 207YX0007X
License number
G60713 CA
Self-reported in NPPES; status is on the state search
Practice location
9961 Sierra Ave, Fontana, CA 92335
Phone
(909) 427-3910
Enumerated
Nov 29, 2006
Record last updated
Nov 29, 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 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 Allen L. Hwang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G60713
    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

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87% fewer Medicare Part D claims than the average plastic surgery within the head & neck (otolaryngology) physician in 2024

50 Medicare Part D claims for 36 beneficiaries, against an average of 393 among the 492 providers of this specialty who prescribed in Part D.

  1. Allen Hwang50
  2. Specialty average393

Most prescribed

  1. Omeprazole13 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.

Allen L. Hwang among 150 plastic surgery within the head & neck (otolaryngology) physician records in California

Allen L. Hwang, MD is one of 150 plastic surgery within the head & neck (otolaryngology) 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 43% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 54% of these records are
  • Record last updated2021 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207YX0007X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Plastic Surgery within the Head & Neck (Otolaryngology) Physician providers in California

There are 150 plastic surgery within the head & neck (otolaryngology) physician records in California.

The 8 plastic surgery within the head & neck (otolaryngology) physician records with the nearest ZIP codes

  1. Seng Chiou, MDFontana, CA 923351841361722
  2. Ronald Hebard, MDFontana, CA 923351467529305
  3. Ying Hsieh, MDFontana, CA 923351023185980
  4. Daniel Lee, MDFontana, CA 923351225105059
  5. Manish Patel, MDFontana, CA 923351356400097
  6. Mark Segal, MDFontana, CA 923351942377767
  7. Jeanne Shepherd, MDFontana, CA 923351689741563
  8. Timothy Wheeler, MDFontana, CA 923351609943620

Common questions

What is Allen L. Hwang, MD's NPI number?

Allen L. Hwang, MD's National Provider Identifier (NPI) is 1164599072, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Allen L. Hwang, MD located?

The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-3910. Providers update this record themselves, so call before visiting.

How can I verify Allen L. Hwang, MD's license?

NPPES lists California license number G60713, 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 Allen L. Hwang, MD prescribe under Medicare Part D?

In 2024, Allen L. Hwang, MD had 50 Medicare Part D claims for 36 beneficiaries; the average among plastic surgery within the head & neck (otolaryngology) physician prescribers was 393. 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.