Individual Healthcare Provider
Tzann T Fang, MD
Provider's NPPES record last updated: April 22, 2025
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1275609349
- Primary Specialty
- Internal Medicine — Hematology & Oncology
- Practice Location
- Beaverton, Oregon
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 21, 2026, 8:33 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Internal Medicine
Hematology & Oncology
Allopathic & Osteopathic Physicians
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy code 207RH0003X Internal Medicine
Medical Oncology
Allopathic & Osteopathic Physicians
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Taxonomy code 207RX0202X
Provider-Reported License Information
- Internal Medicine (New Hampshire)
- EL10705
- Internal Medicine (Illinois)
- 036098895
- Internal Medicine (Oregon)
- MD202120
- Internal Medicine (New Hampshire)
- EL10705
Practice Locations
Practice Location
15700 Sw Greystone Ct
Beaverton, Oregon 97006-6011
Phone: (971) 262-9000
Additional Practice Location
2300 Southwood Dr
Nashua, New Hampshire 03063-1818
Phone: (603) 577-4170
Additional Practice Location
87 Mcgregor St
Manchester, New Hampshire 03102-3765
Phone: (603) 695-2500
Additional Practice Location
4405 Weaver Pkwy
Warrenville, Illinois 60555-3269
Phone: (630) 352-5450
Fax: (630) 352-5499
Record Information
- Enumeration Date
- November 28, 2006
- Provider's NPPES Record Last Updated
- April 22, 2025
- Certification Date
- April 22, 2025
- NPISignal NPPES Dataset
- August 2026
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