Sungwon Ok, N.P.
NPI 1194167841 · Family Nurse Practitioner · Downey, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sungwon Ok, N.P. is a Family Nurse Practitioner provider in Downey, CA (NPI 1194167841).
Provider details
- NPI number
- 1194167841
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Male
- Sole proprietor
- No
- License
- NP23201 (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
12 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 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 200 | 78 |
| Metformin Hcl | 122 | 57 |
| Amlodipine Besylate | 98 | 42 |
| Lisinopril | 71 | 32 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 68 | 21 |
| Metoprolol Succinate | 63 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-07-23
- Last updated
- 2018-01-04
Frequently asked questions
- What is Sungwon Ok's NPI number?
- Sungwon Ok's National Provider Identifier (NPI) is 1194167841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sungwon Ok's specialty?
- Sungwon Ok is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sungwon Ok located?
- Sungwon Ok's practice location on file with NPPES is 10000 Lakewood Blvd, Downey, CA 90240-4020.
- What is Sungwon Ok's phone number?
- The practice phone number listed in the NPPES registry for Sungwon Ok is (562) 862-3684.
- Does Sungwon Ok accept Medicare?
- Sungwon Ok is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sungwon Ok's NPI active?
- Yes — Sungwon Ok's NPI (1194167841) is active in the NPPES registry as of the last update on 2018-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.