Jonathan Yamaguchi, M.D.
NPI 1689687428 · Family Medicine Physician · Harlingen, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Yamaguchi, M.D. is a Family Medicine Physician provider in Harlingen, TX (NPI 1689687428).
Provider details
- NPI number
- 1689687428
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G5858 (TX)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jonathan Yamaguchi's NPI number?
- Jonathan Yamaguchi's National Provider Identifier (NPI) is 1689687428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Yamaguchi's specialty?
- Jonathan Yamaguchi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Yamaguchi located?
- Jonathan Yamaguchi's practice location on file with NPPES is 1401 S Rangerville Rd, Harlingen, TX 78552-7638.
- What is Jonathan Yamaguchi's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Yamaguchi is (956) 364-8400.
- Does Jonathan Yamaguchi accept Medicare?
- Jonathan Yamaguchi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Yamaguchi's NPI active?
- Yes — Jonathan Yamaguchi's NPI (1689687428) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.