John Su, MD
NPI 1437735289 · Emergency Medicine Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Su, MD is a Emergency Medicine Physician provider in Stanford, CA (NPI 1437735289).
Provider details
- NPI number
- 1437735289
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A195393 (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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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.
Practice location
Mailing address
Additional practice locations (1)
- 900 Welch Rd Ste 350Palo Alto, CA 94304-1807Phone: (650) 723-6576
Registry dates
- Enumerated
- 2021-03-22
- Last updated
- 2025-08-01
- Certified
- 2025-08-01
Frequently asked questions
- What is John Su's NPI number?
- John Su's National Provider Identifier (NPI) is 1437735289, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Su's specialty?
- John Su is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Su located?
- John Su's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is John Su's phone number?
- The practice phone number listed in the NPPES registry for John Su is (650) 723-4000.
- Does John Su accept Medicare?
- John Su is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Su's NPI active?
- Yes — John Su's NPI (1437735289) is active in the NPPES registry as of the last update on 2025-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.