Tiffany Pong Ross, PA-C
Physician Assistant · San Francisco, CA
Tiffany Pong Ross, PA-C is a physician assistant with a practice address in San Francisco, California, and NPI 1003159526, issued on Apr 3, 2013. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tiffany Pong Ross
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 400 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 353-2739
- Enumerated
- Apr 3, 2013
- Record last updated
- Jun 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (415) 353-4047
- Medicare enrollment
- Enrolled (PECOS I20130530000483); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 400 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Abele, DPTPhysical Therapist1851648133
- Ian Adatia, MB CHBPediatric Cardiology Physician1427085299
- Daniel Adelman, M.D.Internal Medicine Physician1922041821
- Joshua Adler, MDInternal Medicine Physician1194781351
- Justin Ahn, M.D.Urology Physician1063755148
- Weiyun Ai, MDMedical Oncology Physician1649346842
Verify Tiffany Pong Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average physician assistant in 2024
77 Medicare Part D claims for 54 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass16 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Ucsf Medical Group Business ServicesBerkeley, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany Pong Ross among 14,451 physician assistant records in California
Tiffany Pong Ross, PA-C 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 2013, is newer than 35% of them.
- NPI issued2013 · 35% of these records are older, 62% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2012 · median 2018 among the 7,214 with a school on file
- Record last updated2019 · 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).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Francisco → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Eliana Agudelo, PASan Francisco, CA 941431982646386
- Crystal Bravate, PA-CSan Francisco, CA 941431043363765
- Douglas Chin, PASan Francisco, CA 941431558303560
- Robin Clark, PA CSan Francisco, CA 941431063403483
- Stephanie Collier, PASan Francisco, CA 941431861673436
- Susan Uyen Huffstutter, PA-CSan Francisco, CA 941431346268901
- Cletus Ibe, PASan Francisco, CA 941431730334152
- Da Thao Neria, PA-CSan Francisco, CA 941431689780942
Common questions
What is Tiffany Pong Ross, PA-C's NPI number?
Tiffany Pong Ross, PA-C's National Provider Identifier (NPI) is 1003159526, issued on Apr 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Pong Ross, PA-C located?
The NPPES record lists a practice address at 400 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 353-2739. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Pong Ross, PA-C's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tiffany Pong Ross, PA-C prescribe under Medicare Part D?
In 2024, Tiffany Pong Ross, PA-C had 77 Medicare Part D claims for 54 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Tiffany Pong Ross, PA-C's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.