Diana Tiwari, ARNP
NPI 1538674700 · Family Nurse Practitioner · St Petersburg, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Tiwari, ARNP is a Family Nurse Practitioner provider in St Petersburg, FL (NPI 1538674700).
Provider details
- NPI number
- 1538674700
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- ARNP9286421 (FL)
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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 33 | 31 |
| Azithromycin | 25 | 22 |
| Ondansetron Hcl | 23 | 22 |
| Cefuroxime Axetilbrand: Cefuroxime | 21 | 21 |
| Oxycodone Hcl | 20 | 19 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 20 | 20 |
| Pantoprazole Sodium | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 1 record (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
- 2017-12-08
- Last updated
- 2018-01-03
Frequently asked questions
- What is Diana Tiwari's NPI number?
- Diana Tiwari's National Provider Identifier (NPI) is 1538674700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Tiwari's specialty?
- Diana Tiwari is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana Tiwari located?
- Diana Tiwari's practice location on file with NPPES is 1839 Central Ave, St Petersburg, FL 33713-8900.
- What is Diana Tiwari's phone number?
- The practice phone number listed in the NPPES registry for Diana Tiwari is (727) 322-1054.
- Does Diana Tiwari accept Medicare?
- Diana Tiwari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Tiwari's NPI active?
- Yes — Diana Tiwari's NPI (1538674700) is active in the NPPES registry as of the last update on 2018-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.