Frenz Dave Delfin, FNP-C
NPI 1841952520 · Family Nurse Practitioner · Los Angeles, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frenz Dave Delfin, FNP-C is a Family Nurse Practitioner provider in Los Angeles, CA (NPI 1841952520).
Provider details
- NPI number
- 1841952520
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- R108241 (AR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 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 | 72 | 32 |
| Lisinopril | 46 | 22 |
| Metformin Hcl | 42 | 18 |
| Amlodipine Besylate | 39 | 20 |
| Levothyroxine Sodium | 29 | — |
| Omeprazole | 21 | 11 |
| Ibuprofen | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$122 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
- 2021-10-09
- Last updated
- 2022-05-18
- Certified
- 2022-05-18
Frequently asked questions
- What is Frenz Dave Delfin's NPI number?
- Frenz Dave Delfin's National Provider Identifier (NPI) is 1841952520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frenz Dave Delfin's specialty?
- Frenz Dave Delfin is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Frenz Dave Delfin located?
- Frenz Dave Delfin's practice location on file with NPPES is 808 W 55th St, Los Angeles, CA 90037-3620.
- What is Frenz Dave Delfin's phone number?
- The practice phone number listed in the NPPES registry for Frenz Dave Delfin is (323) 541-1411.
- Does Frenz Dave Delfin accept Medicare?
- Frenz Dave Delfin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frenz Dave Delfin's NPI active?
- Yes — Frenz Dave Delfin's NPI (1841952520) is active in the NPPES registry as of the last update on 2022-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.