NPPES file of Aug 9, 2026

Phyllis H. Peng, MD

Otolaryngology Physician · Modesto, CA

Phyllis H. Peng, MD is an otolaryngology physician with a practice address in Modesto, California, and NPI 1770633596, issued on Jan 12, 2007. Check the license (California A94698, 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
1770633596
Name
Phyllis H. Peng
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
A94698 CA
Self-reported in NPPES; status is on the state search
Practice location
4601 Dale RD, Modesto, CA 95356
Phone
(209) 557-1000
Enumerated
Jan 12, 2007
Record last updated
Dec 22, 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 4601 Dale RD

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

  1. Angela Abe, OPTOptometrist1336108885
  2. Seth Ackuayi, MDHospitalist Physician1154409985
  3. Laith Al-Najjar, D.O.Emergency Medicine Physician1932801768
  4. Zaid Alazawi, DOStudent in an Organized Health Care Education/Training Program1295583102
  5. Brandi AlbrittonCertified Respiratory Therapist1326503541
  6. Hilda Alcala, MDAnesthesiology Physician1467644427

Verify Phyllis H. Peng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A94698
    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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40% fewer Medicare Part D claims than the average otolaryngology physician in 2024

322 Medicare Part D claims for 134 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 26 claims were for opioids.

  1. Phyllis Peng322
  2. Specialty average541

Most prescribed

  1. Fluticasone Propionate36 claims
  2. Prednisone25 claims
  3. Ciprofloxacin-Dexamethasone24 claims
  4. Famotidine21 claims
  5. Doxycycline Monohydrate19 claims
  6. Amoxicillin-Clavulanate Potass17 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.

Phyllis H. Peng among 1,212 otolaryngology physician records in California

Phyllis H. Peng, MD is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 42% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 67% of these records are
  • Record last updated2021 · 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 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in California

There are 1,212 otolaryngology physician records in California.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Mark Bitgood, MDModesto, CA 953561457439945
  2. Christopher Whang, MDModesto, CA 953561639257124
  3. Aren Francis, MDModesto, CA 953551982630901
  4. Charles Suntra, MDModesto, CA 953551619934056
  5. Jerrold Polterock, MDOakdale, CA 953611578536306
  6. Kenneth Mak, MDModesto, CA 953501427007798
  7. Douglas Phan, M.D.Modesto, CA 953501013073766
  8. Charles Yates, M.D.Modesto, CA 953501750334116

Common questions

What is Phyllis H. Peng, MD's NPI number?

Phyllis H. Peng, MD's National Provider Identifier (NPI) is 1770633596, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Phyllis H. Peng, MD located?

The NPPES record lists a practice address at 4601 Dale RD, Modesto, CA, 95356. Phone: (209) 557-1000. Providers update this record themselves, so call before visiting.

How can I verify Phyllis H. Peng, MD's license?

NPPES lists California license number A94698, 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 Phyllis H. Peng, MD prescribe under Medicare Part D?

In 2024, Phyllis H. Peng, MD had 322 Medicare Part D claims for 134 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.