Alvin Merilles, FNP
NPI 1629421458 · Family Nurse Practitioner · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alvin Merilles, FNP is a Family Nurse Practitioner provider in Fountain Valley, CA (NPI 1629421458).
Provider details
- NPI number
- 1629421458
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- No
- License
- 95044619 (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 tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
62 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $84 |
Typical Medicare-allowed amounts for these services range $84–$84 (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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 132 | 123 |
| Ibuprofen | 95 | 94 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 89 | 86 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 87 | 84 |
| Prednisone | 79 | 77 |
| Azithromycin | 75 | 73 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 55 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-07-17
- Last updated
- 2023-03-10
- Certified
- 2023-03-10
Frequently asked questions
- What is Alvin Merilles's NPI number?
- Alvin Merilles's National Provider Identifier (NPI) is 1629421458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alvin Merilles's specialty?
- Alvin Merilles is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alvin Merilles located?
- Alvin Merilles's practice location on file with NPPES is 17360 Brookhurst Street, Fountain Valley, CA 92708.
- What is Alvin Merilles's phone number?
- The practice phone number listed in the NPPES registry for Alvin Merilles is (866) 276-3627.
- Does Alvin Merilles accept Medicare?
- Alvin Merilles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alvin Merilles's NPI active?
- Yes — Alvin Merilles's NPI (1629421458) is active in the NPPES registry as of the last update on 2023-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.