What is Percival Tiongson's NPI number?

Percival Tiongson's National Provider Identifier (NPI) is 1871772913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Percival Tiongson's specialty?

Percival Tiongson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is Percival Tiongson located?

Percival Tiongson's practice location on file with NPPES is 1315 Lehmen Dr, Chester, IL 62233-2542.

What is Percival Tiongson's phone number?

The practice phone number listed in the NPPES registry for Percival Tiongson is (618) 826-4571.

Is Percival Tiongson's NPI active?

Yes — Percival Tiongson's NPI (1871772913) is active in the NPPES registry as of the last update on 2007-10-25.

IndividualActive

Percival Tiongson, M.D.

NPI 1871772913 · Psychiatry Physician · Chester, IL

Percival Tiongson, M.D. is a Psychiatry Physician provider in Chester, IL (NPI 1871772913).

Provider details

NPI number: 1871772913
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800X
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(82/100 index)

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

Registry tenure38% of score
18 yrs in NPPES registry
Profile completeness38% of score
83% 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

1315 Lehmen Dr

Chester, IL 62233-2542

Phone: (618) 826-4571

Fax: (618) 826-3229

Street-level locationGet directions

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Mailing address