Irene Belknapp, NP
NPI 1275556706 · Nurse Practitioner · Rialto, CA
Irene Belknapp, NP is a Nurse Practitioner provider in Rialto, CA (NPI 1275556706).
Provider details
- NPI number
- 1275556706
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NP6678 (CA)
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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 36 | 17 |
| Atorvastatin Calcium | 33 | 22 |
| Amlodipine Besylate | 26 | 14 |
| Lisinopril | 25 | 14 |
| Hydrochlorothiazide | 22 | — |
| Oxybutynin Chloride | 19 | — |
| Dulaglutidebrand: Trulicity | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2015-04-30
Frequently asked questions
- What is Irene Belknapp's NPI number?
- Irene Belknapp's National Provider Identifier (NPI) is 1275556706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Belknapp's specialty?
- Irene Belknapp is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Irene Belknapp located?
- Irene Belknapp's practice location on file with NPPES is 850 E Foothill Blvd, Rialto, CA 92376-5230.
- What is Irene Belknapp's phone number?
- The practice phone number listed in the NPPES registry for Irene Belknapp is (855) 422-8029.
- Is Irene Belknapp's NPI active?
- Yes — Irene Belknapp's NPI (1275556706) is active in the NPPES registry as of the last update on 2015-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.