What is Tsieh Sun's NPI number?

Tsieh Sun's National Provider Identifier (NPI) is 1215993951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Tsieh Sun's specialty?

Tsieh Sun is listed in the NPPES registry with a primary specialty of Hematology (Pathology) Physician (Allopathic & Osteopathic Physicians).

Where is Tsieh Sun located?

Tsieh Sun's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4009.

What is Tsieh Sun's phone number?

The practice phone number listed in the NPPES registry for Tsieh Sun is (713) 792-6161.

Is Tsieh Sun's NPI active?

Yes — Tsieh Sun's NPI (1215993951) is active in the NPPES registry as of the last update on 2012-09-06.

IndividualActive

Tsieh Sun, MD

NPI 1215993951 · Hematology (Pathology) Physician · Houston, TX

Tsieh Sun, MD is a Hematology (Pathology) Physician provider in Houston, TX (NPI 1215993951).

Provider details

NPI number: 1215993951
Entity type: Individual
Primary specialty: Hematology (Pathology) PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 35196 (CO)

Practice location

1515 Holcombe Blvd

Houston, TX 77030-4009

Phone: (713) 792-6161

Street-level locationGet directions

More TX providers

Mailing address

Po Box 4439

Houston, TX 77210-4439

Specialties & taxonomies

Hematology (Pathology) PhysicianPrimary207ZH0000XLicense 43573 (TX)
Allopathic & Osteopathic Physicians
Hematology (Pathology) Physician207ZH0000XLicense 35196 (CO)
Allopathic & Osteopathic Physicians
Clinical Pathology/Laboratory Medicine Physician207ZP0105XLicense 35196 (CO)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 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.

Enumerated: 2006-04-21
Last updated: 2012-09-06

Frequently asked questions

What is Tsieh Sun's NPI number?: Tsieh Sun's National Provider Identifier (NPI) is 1215993951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Tsieh Sun's specialty?: Tsieh Sun is listed in the NPPES registry with a primary specialty of Hematology (Pathology) Physician (Allopathic & Osteopathic Physicians).
Where is Tsieh Sun located?: Tsieh Sun's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4009.
What is Tsieh Sun's phone number?: The practice phone number listed in the NPPES registry for Tsieh Sun is (713) 792-6161.
Is Tsieh Sun's NPI active?: Yes — Tsieh Sun's NPI (1215993951) is active in the NPPES registry as of the last update on 2012-09-06.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions