Young Choi, D.O.
NPI 1871671628 · Internal Medicine Physician · San Leandro, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Young Choi, D.O. is a Internal Medicine Physician provider in San Leandro, CA (NPI 1871671628).
Provider details
- NPI number
- 1871671628
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A7056 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 123 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 605 | 236 |
| Losartan Potassium | 404 | 161 |
| Amlodipine Besylate | 331 | 132 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 258 | 82 |
| Lisinopril | 248 | 98 |
| Hydrochlorothiazide | 237 | 86 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-06
Frequently asked questions
- What is Young Choi's NPI number?
- Young Choi's National Provider Identifier (NPI) is 1871671628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Young Choi's specialty?
- Young Choi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Young Choi located?
- Young Choi's practice location on file with NPPES is 2500 Merced St, San Leandro, CA 94577-4201.
- What is Young Choi's phone number?
- The practice phone number listed in the NPPES registry for Young Choi is (510) 454-1000.
- Does Young Choi accept Medicare?
- Young Choi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Young Choi's NPI active?
- Yes — Young Choi's NPI (1871671628) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.