Ramil Onsik, NP
NPI 1366117558 · Family Nurse Practitioner · Glendora, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ramil Onsik, NP is a Family Nurse Practitioner provider in Glendora, CA (NPI 1366117558).
Provider details
- NPI number
- 1366117558
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 95017734 (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
4 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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 69 | 21 |
| Amlodipine Besylate | 35 | 14 |
| Gabapentin | 24 | 11 |
| Metformin Hcl | 22 | — |
| Famotidine | 21 | — |
| Metoprolol Succinate | 21 | — |
| Levothyroxine Sodium | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-08-10
- Last updated
- 2021-08-12
- Certified
- 2021-08-12
Frequently asked questions
- What is Ramil Onsik's NPI number?
- Ramil Onsik's National Provider Identifier (NPI) is 1366117558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ramil Onsik's specialty?
- Ramil Onsik is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ramil Onsik located?
- Ramil Onsik's practice location on file with NPPES is 1121 E Arrow Hwy Ste E, Glendora, CA 91740-6178.
- What is Ramil Onsik's phone number?
- The practice phone number listed in the NPPES registry for Ramil Onsik is (626) 691-6628.
- Does Ramil Onsik accept Medicare?
- Ramil Onsik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ramil Onsik's NPI active?
- Yes — Ramil Onsik's NPI (1366117558) is active in the NPPES registry as of the last update on 2021-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.