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TZANN T FANG MD
NPI 1275609349
Internal Medicine - Hematology & Oncology in Beaverton, OR

Active since November 28, 2006PECOS Enrolled
69.4/100
CMS Quality Rating
15700 SW GREYSTONE CT, BEAVERTON, OR 97006(971) 262-9000(971) 262-9010 Get Directions Write a Review

NPPES record last updated: April 22, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 6, 2023, Feb 14, 2023, Feb 14, 2022 and 3 more (6 updates tracked since 2016).

About Tzann T Fang Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TZANN T FANG MD (NPI 1275609349) is an individual hematology & oncology provider in Beaverton, Oregon, licensed in New Hampshire (EL10705) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1275609349
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameTZANN T FANGCredential: MD
Location Address15700 SW GREYSTONE CTBeaverton, OR 97006-6011
Mailing Address15700 Sw Greystone CtBeaverton, OR 97006-6011 · (971) 262-9000 · Fax (971) 262-9010
Phone(971) 262-9000
Fax(971) 262-9010
Sole ProprietorNo
Medical School CMSOtherGraduated 1980
Enumeration DateNovember 28, 2006
Last NPPES UpdateApril 22, 20256 updates tracked since enumeration
NPPES CertifiedApril 22, 2025
✔ NPI 1275609349 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in NH · EL10705✔ Licensed in IL · 036098895
Definition
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.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License MD202120 (OR), EL10705 (NH)
15700 SW GREYSTONE CT, Beaverton, OR 97006
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Secondary Practice Locations 3

Location 187 McGregor StManchester, NH 03102-3765 · Phone (603) 695-2500
Location 22300 Southwood DrNashua, NH 03063-1818 · Phone (603) 577-4170
Location 34405 Weaver PkwyWarrenville, IL 60555-3269 · Phone (630) 352-5450 · Fax (630) 352-5499

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tzann T Fang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022101906
PECOS Enrollment IDI20250423001846
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Tzann Fang reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Hood River Memorial Hospital
58 mi
Urgent Care
14040 HIGHWAY 35
Mt Hood, OR 97041
  • Reassigned Medicare billing, Oregon enrollment
  • Medicare enrollment name: Providence Health & Services Oregon
  • 267 clinicians in this Medicare group
NPI 1437355955 (503) 337-2292
Providence Health & Services Oregon
60 mi
Rural Health
171 N LARCH ST STE 16
Cannon Beach, OR 97110
  • Reassigned Medicare billing, Oregon enrollment
  • 301 clinicians in this Medicare group
NPI 1841756764 (503) 717-7400
Mid-Valley Healthcare, Inc.
67 mi
Endocrinology, Diabetes & Metabolism
525 N SANTIAM HWY
Lebanon, OR 97355
  • Reassigned Medicare billing, Oregon enrollment
  • 414 clinicians in this Medicare group
NPI 1518347608 (541) 451-6313
Samaritan North Lincoln Hospital
67 mi
Medicare Defined Swing Bed Unit
3043 NE 28TH ST
Lincoln City, OR 97367
  • Reassigned Medicare billing, Oregon enrollment
  • 3 clinicians in this Medicare group
NPI 1356499370 (541) 994-3661
Dartmouth-Hitchcock Clinic
2,456 mi
Internal Medicine
ONE MEDICAL CENTER DR
Lebanon, NH 03756
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,999 clinicians in this Medicare group
NPI 1548210198 (603) 650-5000
Mary Hitchcock Memorial Hospital
2,456 mi
General Acute Care Hospital
ONE MEDICAL CENTER DR
Lebanon, NH 03756
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,620 clinicians in this Medicare group
NPI 1023092053 (603) 650-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
42 services32 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$176.88 typical visit price
range $58.99 – $176.88
Typical copayment $44.22 (range $14.74 – $44.22)
Most-billed visit code 99205
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

69.4/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality55.64
Promoting Interoperability100
Improvement Activities40
Cost42.36

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. NATALIE ANN KRANE M.D.
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
15700 SW GREYSTONE CT
BEAVERTON, OR 97006
Washington County (503) 494-8510
MERIN JOSE
Internal Medicine
15700 SW GREYSTONE CT
BEAVERTON, OR 97006
Washington County (971) 262-9150
PACIFIC ONCOLOGY PC
Internal Medicine (Hematology & Oncology)
15700 SW GREYSTONE CT
BEAVERTON, OR 97006
Washington County (503) 203-1000
DR. NAGA PRANEETH RAJA M.D.,
Internal Medicine (Medical Oncology)
15700 SW GREYSTONE CT
BEAVERTON, OR 97006
Washington County (971) 262-9000
DR. DYLAN RYAN ROGERS DO
Family Medicine (Sports Medicine)
15700 SW GREYSTONE CT
BEAVERTON, OR 97006
Washington County (971) 262-9150
OREGON HEALTH & SCIENCE UNIVERSITY
Pharmacy (Community/Retail Pharmacy)
15700 SW GREYSTONE CT
BEAVERTON, OR 97006
Washington County (971) 262-9110
KENDYL BREE GARROW MSW
Social Worker (Clinical)
15700 SW GREYSTONE CT
BEAVERTON, OR 97006
Washington County (971) 262-9150
DR. VISHNU MANORANJAN MD
Internal Medicine
15700 SW GREYSTONE CT
BEAVERTON, OR 97006
Washington County (971) 262-9150

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tzann Fang's NPI number?

The NPI number for Tzann Fang is 1275609349. It was assigned to this individual provider in the NPPES registry on November 28, 2006.

Where is Tzann Fang located?

Tzann Fang practices at 15700 SW Greystone Ct, Beaverton, OR 97006. The listed phone number is (971) 262-9000.

What is Tzann Fang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Tzann Fang enrolled in Medicare?

Yes. Tzann Fang is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Tzann Fang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tzann Fang reassigns Medicare benefits to 6 organizations: Providence Hood River Memorial Hospital (Mt Hood, OR), Providence Health & Services Oregon (Cannon Beach, OR), Mid-Valley Healthcare, Inc. (Lebanon, OR), Samaritan North Lincoln Hospital (Lincoln City, OR), Dartmouth-Hitchcock Clinic (Lebanon, NH) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tzann Fang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tzann Fang accept?

Health plans from Taro Health list Tzann Fang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Tzann Fang affiliated with any hospitals?

According to CMS data, Tzann Fang is affiliated with Northwestern Medicine Central Dupage Hospital and Ohsu Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Tzann Fang was last updated on April 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.