NPPES file of Aug 9, 2026

Thomas Silva

Physician Assistant · Phoenix, AZ

Thomas Silva is a physician assistant with a practice address in Phoenix, Arizona, and NPI 1871129783, issued on Mar 23, 2020. Check the license (Arizona PA8488, as entered in NPPES) with the Arizona 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871129783
Name
Thomas Silva
Primary taxonomy
Physician Assistant 363A00000X
License numbers
PA8488 AZ
100355 IA
Self-reported in NPPES; status is on the state search
Practice location
3330 N 2ND St Ste 601, Phoenix, AZ 85012
Phone
(602) 230-7373
Enumerated
Mar 23, 2020
Record last updated
Nov 26, 2024
Medicare enrollment
Enrolled (PECOS I20220603002065); accepts Medicare assignment
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 3330 N 2ND St Ste 601

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

  1. Vanessa Alfaro, PMHNPPsychiatric/Mental Health Nurse Practitioner1831798073
  2. Janette Alvarez, LMSWSocial Worker1104522978
  3. Darlene AyubMental Health Counselor1639616444
  4. Brianna Bahret, LMFTMarriage & Family Therapist1558831172
  5. Kimbralon Barnes, LPCProfessional Counselor1669942520
  6. Ivette Berger, LPCProfessional Counselor1124761754

Verify Thomas Silva in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license PA8488
    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 Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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16% fewer Medicare Part D claims than the average physician assistant in 2024

701 Medicare Part D claims for 58 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Thomas Silva701
  2. Specialty average830

Most prescribed

  1. Quetiapine Fumarate101 claims
  2. Trazodone Hcl58 claims
  3. Escitalopram Oxalate45 claims
  4. Fluoxetine Hcl40 claims
  5. Bupropion Xl37 claims
  6. Divalproex Sodium Er34 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.

Bills Medicare through one group practice

  1. Denova Collaborative Health, LLCPhoenix, AZ

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

Thomas Silva among 3,666 physician assistant records in Arizona

Thomas Silva is one of 3,666 physician assistant records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 59% of them.

  • NPI issued2020 · 59% of these records are older, 36% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2020 · median 2018 among the 2,207 with a school on file
  • Record last updated2024 · 35% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

923 physician assistant records list a practice address in Phoenix

They are 923 of the 31,399 NPPES records with a practice address in Phoenix, and 3,666 physician assistant records in Arizona.

The 8 physician assistant records with the nearest ZIP codes

  1. Sean Barney, PA-CPhoenix, AZ 850121629304332
  2. Jack Deleonardo, PACPhoenix, AZ 850121417068248
  3. Laura Fox, PA-CPhoenix, AZ 850121215285051
  4. Sherri Grondon, PAPhoenix, AZ 850121588784920
  5. Katherine Haworth, PA-CPhoenix, AZ 850121265573810
  6. Nicole Jorgenson, PA-CPhoenix, AZ 850121972780807
  7. Anthony Kelly, PAPhoenix, AZ 850121245286913
  8. Lisa Kilgore-Christensen, PA-CPhoenix, AZ 850121487613873

Common questions

What is Thomas Silva's NPI number?

Thomas Silva's National Provider Identifier (NPI) is 1871129783, issued on Mar 23, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Silva located?

The NPPES record lists a practice address at 3330 N 2ND St Ste 601, Phoenix, AZ, 85012. Phone: (602) 230-7373. Providers update this record themselves, so call before visiting.

How can I verify Thomas Silva's license?

NPPES lists Arizona license number PA8488, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas Silva prescribe under Medicare Part D?

In 2024, Thomas Silva had 701 Medicare Part D claims for 58 beneficiaries; the average among physician assistant prescribers was 830. 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.