TIANTIAN ZHOU
NPI 1518544428
Family Medicine in Portland, OR

Active since March 26, 2021PECOS Enrolled
3181 SW SAM JACKSON PARK RD, PORTLAND, OR 97239(503) 494-8211 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 7, 2026, Mar 26, 2021 (2 updates tracked since 2021).

About Tiantian Zhou NPPES

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

TIANTIAN ZHOU (NPI 1518544428) is an individual family medicine provider in Portland, Oregon, licensed in Oregon (MD226599) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1518544428
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameTIANTIAN ZHOU
Location Address3181 SW SAM JACKSON PARK RDPortland, OR 97239-3011
Mailing Address3181 Sw Sam Jackson Park RdPortland, OR 97239-3011
Sole ProprietorNo
Enumeration DateMarch 26, 2021
Last NPPES UpdateJuly 7, 20262 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
✔ NPI 1518544428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in OR · MD226599
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3181 SW SAM JACKSON PARK RD, Portland, OR 97239

Secondary Practice Locations 4

Location 110690 NE Cornell Rd Ste 220Hillsboro, OR 97124-9224 · Phone (503) 848-5861 · Fax (503) 848-5863
Location 210330 SE 32nd Ave Ste 325Milwaukie, OR 97222-6656 · Phone (503) 416-1960
Location 3728 Molalla AveOregon City, OR 97045-2799 · Phone (503) 656-9030 · Fax (503) 656-9026
Location 47320 SW Hunziker Rd Ste 300Portland, OR 97223-2302 · Phone (503) 941-3033

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tiantian Zhou is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Tiantian Zhou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
10330 SE 32ND AVE STE 325
Milwaukie, OR 97222
  • Reassigned Medicare billing, Oregon enrollment
  • 36 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97239 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
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
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.

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.

Internal Medicine (Pulmonary Disease)
3181 SW SAM JACKSON PARK RD, UHN67
PORTLAND, OR 97239
Nurse Practitioner (Acute Care)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Internal Medicine
3181 SW SAM JACKSON PARK RD, PPV 350
PORTLAND, OR 97239
Psychologist (Clinical)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Massage Therapist
3181 SW SAM JACKSON PARK RD, 7D19
PORTLAND, OR 97239
Psychiatry & Neurology (Psychiatry)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Radiology (Diagnostic Radiology)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

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 Tiantian Zhou's NPI number?

The NPI number for Tiantian Zhou is 1518544428. It was assigned to this individual provider in the NPPES registry on March 26, 2021.

Where is Tiantian Zhou located?

Tiantian Zhou practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-8211.

What is Tiantian Zhou's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Tiantian Zhou enrolled in Medicare?

Yes. Tiantian Zhou is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tiantian Zhou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tiantian Zhou reassigns Medicare benefits to Neighborhood Health Center (Milwaukie, OR). The 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 Tiantian Zhou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tiantian Zhou accept?

Health plans from Providence Health Plan list Tiantian Zhou 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.

When was this NPI record last updated?

The NPPES record for Tiantian Zhou was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.