Tiffany Waters, P.A.
Surgical Physician Assistant · Walnut Creek, CA
Tiffany Waters, P.A. is a surgical physician assistant with a practice address in Walnut Creek, California, and NPI 1184652695, issued on Jun 30, 2006. Check the license (California PA17246, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tiffany Waters
- Credential
- P.A.
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA17246 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2405 Shadelands Dr, Walnut Creek, CA 94598
- Phone
- (925) 939-8585
- Enumerated
- Jun 30, 2006
- Record last updated
- Nov 7, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (925) 933-2709
- Medicare enrollment
- Enrolled (PECOS I20040413001793); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Also registered at 2405 Shadelands Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Divya Anand, PHYSICAL THERAPISTPhysical Therapist1801989272
- David Arakawa, P.T.Orthopedic Physical Therapist1114955820
- Kevin Byrne, PASurgical Physician Assistant1306499272
- Michael Cadette, PA-CPhysician Assistant1689075236
- Leo Calafi, MDOrthopaedic Surgery Physician1720079072
- Michael Chang, D.O.Pain Medicine (Physical Medicine & Rehabilitation) Physician1205934262
Verify Tiffany Waters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA17246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average surgical physician assistant in 2024
133 Medicare Part D claims for 85 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Amoxicillin44 claims
- Celecoxib16 claims
- Clindamycin Hcl13 claims
- Tramadol Hcl13 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): 79.2 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $15.02
1 payment: food and beverage; the largest payer was Bioventus LLC. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Sonora Community HospitalSonora, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany Waters among 1,075 surgical physician assistant records in California
Tiffany Waters, P.A. is one of 1,075 surgical physician assistant records with a practice address in California. 79% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 74% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2003 · median 2012 among the 649 with a school on file
- Record last updated2013 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in Walnut Creek → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- David Brand, P.A.Walnut Creek, CA 945981346366556
- Brian Costello, PHYSICIAN ASSISTANTWalnut Creek, CA 945981396833257
- Bridget Garrehy, P.A.Walnut Creek, CA 945981710250865
- Jennifer Hayashi, P.A.Walnut Creek, CA 945981184959033
- Mariel Heller-Benson, PA-CWalnut Creek, CA 945981891083408
- Patricia Loo, P.A.Walnut Creek, CA 945981083755862
- Kevin Lowe, PA-CWalnut Creek, CA 945981659644870
- Thomas Markiewith, P.A.Walnut Creek, CA 945981427086149
Common questions
What is Tiffany Waters, P.A.'s NPI number?
Tiffany Waters, P.A.'s National Provider Identifier (NPI) is 1184652695, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Waters, P.A. located?
The NPPES record lists a practice address at 2405 Shadelands Dr, Walnut Creek, CA, 94598. Phone: (925) 939-8585. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Waters, P.A.'s license?
NPPES lists California license number PA17246, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tiffany Waters, P.A. prescribe under Medicare Part D?
In 2024, Tiffany Waters, P.A. had 133 Medicare Part D claims for 85 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
What is Tiffany Waters, P.A.'s MIPS final score?
The 2023 MIPS final score is 79.2 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.