NPPES file of Aug 9, 2026

Joseph Quoc Ta, MD

Otolaryngology Physician · Palo Alto, CA

Joseph Quoc Ta, MD is an otolaryngology physician with a practice address in Palo Alto, California, and NPI 1669650925, issued on Feb 8, 2008. Check the license (California A94818, 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
1669650925
Name
Joseph Quoc Ta
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License numbers
A94818 CA
4301097726 MI
14448 NV
Self-reported in NPPES; status is on the state search
Practice location
795 EL Camino Real, Palo Alto, CA 94301
Phone
(650) 321-4121
Enumerated
Feb 8, 2008
Record last updated
May 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140708002253); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2004
Telehealth
Offers telehealth (CMS)
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 795 EL Camino Real

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

  1. Hamza AbbasiInternal Medicine Physician1821545484
  2. Arman Abdalkhani, MDOtolaryngology Physician1356536130
  3. Sara AbrahamsInternal Medicine Physician1952988354
  4. Nana Efua Adabie, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1437647732
  5. Amy Adams, M.D.Dermatology Physician1679643928
  6. William Adams, DPMFoot & Ankle Surgery Podiatrist1447487830

Verify Joseph Quoc Ta in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A94818
    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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58% fewer Medicare Part D claims than the average otolaryngology physician in 2024

225 Medicare Part D claims for 101 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.

  1. Joseph Ta225
  2. Specialty average541

Most prescribed

  1. Ipratropium Bromide30 claims
  2. Amoxicillin-Clavulanate Potass23 claims
  3. Fluticasone Propionate20 claims
  4. Gabapentin13 claims
  5. Ciprofloxacin-Dexamethasone11 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.

Industry payments in 2024: $18.69

1 payment: food and beverage; the largest payer was Smith+Nephew, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Ta$18.69
  2. Specialty average$1,922.50

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationPalo Alto, CA

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

Joseph Quoc Ta among 1,212 otolaryngology physician records in California

Joseph Quoc Ta, 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 2008, is newer than 58% of them.

  • NPI issued2008 · 58% of these records are older, 35% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2004 · median 2004 among the 818 with a school on file
  • Record last updated2020 · 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. Arman Abdalkhani, MDPalo Alto, CA 943011356536130
  2. Whitney Chiao, MDPalo Alto, CA 943011316500101
  3. Brad Hinrichs, MDPalo Alto, CA 943011841202033
  4. David Lieberman, M.D.Palo Alto, CA 943011750565891
  5. Devin Lonergan, MDPalo Alto, CA 943011609062744
  6. Michael McCaffrey, MDPalo Alto, CA 943011073525275
  7. Melinda Moir, MDPalo Alto, CA 943011740356039
  8. Brendan Pierce, M.D.Palo Alto, CA 943011669616306

Common questions

What is Joseph Quoc Ta, MD's NPI number?

Joseph Quoc Ta, MD's National Provider Identifier (NPI) is 1669650925, issued on Feb 8, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Quoc Ta, MD located?

The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 321-4121. Providers update this record themselves, so call before visiting.

How can I verify Joseph Quoc Ta, MD's license?

NPPES lists California license number A94818, 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 Joseph Quoc Ta, MD prescribe under Medicare Part D?

In 2024, Joseph Quoc Ta, MD had 225 Medicare Part D claims for 101 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.