Jan Michael Vincent Diaz
NPI 1023570090 · Family Nurse Practitioner · Las Vegas, NV
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jan Michael Vincent Diaz is a Family Nurse Practitioner provider in Las Vegas, NV (NPI 1023570090).
Provider details
- NPI number
- 1023570090
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 816419 (NV)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
21 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 21 | $105 |
Typical Medicare-allowed amounts for these services range $105–$105 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buspirone Hcl | 141 | 15 |
| Quetiapine Fumarate | 93 | — |
| Risperidone | 89 | 12 |
| Bupropion Hclbrand: Bupropion Hcl Sr | 80 | — |
| Trazodone Hcl | 78 | — |
| Duloxetine Hcl | 68 | — |
| Sertraline Hcl | 57 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$372 across 18 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
- 2019-04-01
- Last updated
- 2022-06-09
- Certified
- 2022-06-09
Frequently asked questions
- What is Jan Michael Vincent Diaz's NPI number?
- Jan Michael Vincent Diaz's National Provider Identifier (NPI) is 1023570090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jan Michael Vincent Diaz's specialty?
- Jan Michael Vincent Diaz is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jan Michael Vincent Diaz located?
- Jan Michael Vincent Diaz's practice location on file with NPPES is 4270 S Decatur Blvd Ste B5, Las Vegas, NV 89103-6802.
- What is Jan Michael Vincent Diaz's phone number?
- The practice phone number listed in the NPPES registry for Jan Michael Vincent Diaz is (725) 220-4200.
- Does Jan Michael Vincent Diaz accept Medicare?
- Jan Michael Vincent Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jan Michael Vincent Diaz's NPI active?
- Yes — Jan Michael Vincent Diaz's NPI (1023570090) is active in the NPPES registry as of the last update on 2022-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.