NPPES file of Aug 9, 2026

Ulda Elizabeth Rivera, PA

Physician Assistant · Phoenix, AZ

Ulda Elizabeth Rivera, PA is a physician assistant with a practice address in Phoenix, Arizona, and NPI 1124782263, issued on Oct 25, 2021. Check the license (Arizona 8636, 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
1124782263
Name
Ulda Elizabeth Rivera
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
8636 AZ
Self-reported in NPPES; status is on the state search
Practice location
2070 E Baseline RD, Phoenix, AZ 85042
Phone
(602) 834-9071
Enumerated
Oct 25, 2021
Record last updated
Dec 4, 2023
Fax
(877) 541-4239
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.
Download card Updates feed

Also registered at 2070 E Baseline RD

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

  1. Vanessa Porras, FNP-CPrimary Care Nurse Practitioner1902505647
  2. Thihalolipavan Sayalolipavan, MDFamily Medicine Physician1053309039

Verify Ulda Elizabeth Rivera 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 8636
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average physician assistant in 2024

17 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Ulda Rivera17
  2. Specialty average830

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: $172.20

8 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ulda Rivera$172.20
  2. Specialty average$841.65

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

Ulda Elizabeth Rivera among 3,666 physician assistant records in Arizona

Ulda Elizabeth Rivera, PA 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 2021, is newer than 64% of them.

  • NPI issued2021 · 64% of these records are older, 30% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2023 · 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. Grace Aksamit, PA-CPhoenix, AZ 850421477277226
  2. Tanner Cook, PA-CPhoenix, AZ 850421629545579
  3. Carli EndsleyPhoenix, AZ 850421972319671
  4. Malin Ferre, PA-CPhoenix, AZ 850421356041743
  5. Octalina Francois, PHYSICIAN ASSISTANTPhoenix, AZ 850421053958991
  6. Rachel Hamilton, PA-CPhoenix, AZ 850421629708565
  7. Erika Henderson, PA-CPhoenix, AZ 850421538823992
  8. Allison Manweiler, PA-CPhoenix, AZ 850421578453742

Common questions

What is Ulda Elizabeth Rivera, PA's NPI number?

Ulda Elizabeth Rivera, PA's National Provider Identifier (NPI) is 1124782263, issued on Oct 25, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ulda Elizabeth Rivera, PA located?

The NPPES record lists a practice address at 2070 E Baseline RD, Phoenix, AZ, 85042. Phone: (602) 834-9071. Providers update this record themselves, so call before visiting.

How can I verify Ulda Elizabeth Rivera, PA's license?

NPPES lists Arizona license number 8636, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Ulda Elizabeth Rivera, PA prescribe under Medicare Part D?

In 2024, Ulda Elizabeth Rivera, PA had 17 Medicare Part D claims; 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.