NPPES file of Aug 9, 2026

Tiffany Hoang

Physician Assistant · Fountain Valley, CA

Tiffany Hoang is a physician assistant with a practice address in Fountain Valley, California, and NPI 1336729623, issued on Apr 11, 2021. Check the license (California PA59649, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336729623
Name
Tiffany Hoang
Primary taxonomy
Physician Assistant 363A00000X
License number
PA59649 CA
Self-reported in NPPES; status is on the state search
Practice location
11420 Warner Avenue, Fountain Valley, CA 92708
Phone
(714) 549-1300
Enumerated
Apr 11, 2021
Record last updated
Aug 25, 2022
Fax
(714) 433-3100
Medicaid ID
1336729623 CA
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 11420 Warner Avenue

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

  1. Ariel MurtaghFamily Medicine Physician1770042541
  2. Jay PatelFamily Medicine Physician1538626999
  3. Tammy Trang, PAPhysician Assistant1225738826

Verify Tiffany Hoang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA59649
    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
Find the California license search

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6.6 times the Medicare Part D claims of the average physician assistant in 2024

5,506 Medicare Part D claims for 602 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 2,953 claims were for opioids.

  1. Tiffany Hoang5,506
  2. Specialty average830

Most prescribed

  1. Hydrocodone-Acetaminophen1,335 claims
  2. Buprenorphine Hcl562 claims
  3. Acetaminophen-Codeine507 claims
  4. Tramadol Hcl414 claims
  5. Methadone Hcl362 claims
  6. Gabapentin326 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.9
  2. Costout of 100 · 30%55.1
  3. Promoting interoperabilityout of 100 · 25%78.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Tiffany Hoang among 14,451 physician assistant records in California

Tiffany Hoang is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 67% of them.

  • NPI issued2021 · 67% of these records are older, 27% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2022 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

61 physician assistant records list a practice address in Fountain Valley

They are 61 of the 2,190 NPPES records with a practice address in Fountain Valley, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Fidel Andrade, PAFountain Valley, CA 927081578547782
  2. Jody Carr, PA-CFountain Valley, CA 927081881882264
  3. Lisa Chan, PA-CFountain Valley, CA 927081831128446
  4. Mitzi D'Aquila, PA-CFountain Valley, CA 927081093919862
  5. Susan Font, PA-CFountain Valley, CA 927081689857229
  6. Shawna Jones, P.A.-CFountain Valley, CA 927081447451786
  7. Steven Lerner, PAFountain Valley, CA 927081891777462
  8. Vinh Ngo, PAFountain Valley, CA 927081386796118

Common questions

What is Tiffany Hoang's NPI number?

Tiffany Hoang's National Provider Identifier (NPI) is 1336729623, issued on Apr 11, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany Hoang located?

The NPPES record lists a practice address at 11420 Warner Avenue, Fountain Valley, CA, 92708. Phone: (714) 549-1300. Providers update this record themselves, so call before visiting.

How can I verify Tiffany Hoang's license?

NPPES lists California license number PA59649, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Tiffany Hoang prescribe under Medicare Part D?

In 2024, Tiffany Hoang had 5,506 Medicare Part D claims for 602 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Tiffany Hoang's MIPS final score?

The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.