What is John Tsai's NPI number?

John Tsai's National Provider Identifier (NPI) is 1134447600, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Tsai's specialty?

John Tsai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is John Tsai located?

John Tsai's practice location on file with NPPES is 777 Scudders Mill Rd, Plainsboro, NJ 08536-1615.

What is John Tsai's phone number?

The practice phone number listed in the NPPES registry for John Tsai is (609) 897-3725.

Is John Tsai's NPI active?

Yes — John Tsai's NPI (1134447600) is active in the NPPES registry as of the last update on 2010-05-09.

IndividualActive

John Tsai, M.D.

NPI 1134447600 · Internal Medicine Physician · Plainsboro, NJ

John Tsai, M.D. is a Internal Medicine Physician provider in Plainsboro, NJ (NPI 1134447600).

Provider details

NPI number: 1134447600
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: A68690 (CA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense A68690 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(83/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
16 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

777 Scudders Mill Rd

Plainsboro, NJ 08536-1615

Phone: (609) 897-3725

Street-level locationGet directions

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Mailing address