Saul Rivera, PA
NPI 1821508938 · Physician Assistant · Phoenix, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Saul Rivera, PA is a Physician Assistant provider in Phoenix, AZ (NPI 1821508938).
Provider details
- NPI number
- 1821508938
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 6839 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 61 | 44 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 47 | 37 |
| Ciprofloxacin Hcl | 43 | 42 |
| Cephalexin | 34 | 30 |
| Fluconazole | 22 | 18 |
| Solifenacin Succinate | 20 | 12 |
| Vibegronbrand: Gemtesa | 17 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$332 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-10-03
- Last updated
- 2017-10-03
Frequently asked questions
- What is Saul Rivera's NPI number?
- Saul Rivera's National Provider Identifier (NPI) is 1821508938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Saul Rivera's specialty?
- Saul Rivera is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Saul Rivera located?
- Saul Rivera's practice location on file with NPPES is 4338 W Thomas Rd, Phoenix, AZ 85040.
- What is Saul Rivera's phone number?
- The practice phone number listed in the NPPES registry for Saul Rivera is (602) 429-2239.
- Does Saul Rivera accept Medicare?
- Saul Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Saul Rivera's NPI active?
- Yes — Saul Rivera's NPI (1821508938) is active in the NPPES registry as of the last update on 2017-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.