Yoon Ko, DO
NPI 1396304457 · Family Medicine Physician · Tracy, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yoon Ko, DO is a Family Medicine Physician provider in Tracy, CA (NPI 1396304457).
Provider details
- NPI number
- 1396304457
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A20130 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 169 | 67 |
| Amlodipine Besylate | 86 | 40 |
| Levothyroxine Sodium | 80 | 26 |
| Losartan Potassium | 68 | 38 |
| Trazodone Hcl | 53 | 18 |
| Hydrochlorothiazide | 53 | 22 |
| Lisinopril |
Practice location
Mailing address
Additional practice locations (2)
- 42 E Laurel Rd Ste 2100aStratford, NJ 08084-1354Phone: (856) 566-6477
- 705 Haddonfield Berlin RdVoorhees, NJ 08043-3714Phone: (856) 679-0537
Registry dates
- Enumerated
- 2019-06-11
- Last updated
- 2025-11-04
- Certified
- 2025-11-04
Frequently asked questions
- What is Yoon Ko's NPI number?
- Yoon Ko's National Provider Identifier (NPI) is 1396304457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yoon Ko's specialty?
- Yoon Ko is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yoon Ko located?
- Yoon Ko's practice location on file with NPPES is 599 E Valpico Rd, Tracy, CA 95376.
- What is Yoon Ko's phone number?
- The practice phone number listed in the NPPES registry for Yoon Ko is (209) 830-4072.
- Does Yoon Ko accept Medicare?
- Yoon Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yoon Ko's NPI active?
- Yes — Yoon Ko's NPI (1396304457) is active in the NPPES registry as of the last update on 2025-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.