In Kyu Choi
NPI 1578908521 · Family Medicine Physician · Whittier, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
In Kyu Choi is a Family Medicine Physician provider in Whittier, CA (NPI 1578908521).
Provider details
- NPI number
- 1578908521
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 458 | 357 |
| Amlodipine Besylate | 271 | 198 |
| Rosuvastatin Calcium | 257 | 187 |
| Lisinopril | 242 | 188 |
| Losartan Potassium | 174 | 137 |
| Metformin Hcl | 159 | 136 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-05-03
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is In Kyu Choi's NPI number?
- In Kyu Choi's National Provider Identifier (NPI) is 1578908521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is In Kyu Choi's specialty?
- In Kyu Choi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is In Kyu Choi located?
- In Kyu Choi's practice location on file with NPPES is 12470 Whittier Blvd, Whittier, CA 90602-1017.
- What is In Kyu Choi's phone number?
- The practice phone number listed in the NPPES registry for In Kyu Choi is (800) 823-4040.
- Does In Kyu Choi accept Medicare?
- In Kyu Choi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is In Kyu Choi's NPI active?
- Yes — In Kyu Choi's NPI (1578908521) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.