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DR. TIMOTHY JOHN FERNSTROM D.O.
NPI 1457552168
Internal Medicine in Portland, OR

Active since May 30, 2007PECOS EnrolledAccepts Medicare Assignment
3181 SW SAM JACKSON PARK RD, PORTLAND, OR 97239(503) 494-9000 Get Directions Write a Review

NPPES record last updated: June 18, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 18, 2025, Feb 19, 2021 (2 updates tracked since 2021).

About Dr. Timothy John Fernstrom D.o. NPPES

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

DR. TIMOTHY JOHN FERNSTROM D.O. (NPI 1457552168) is an individual internal medicine provider in Portland, Oregon, licensed in Oregon (DO26647) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Wellstar Spalding Medical Center, and maintains a secondary practice location in Reston.

NPPES Registry Identity

NPI1457552168
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. TIMOTHY JOHN FERNSTROMCredential: D.O.
Location Address3181 SW SAM JACKSON PARK RDPortland, OR 97239-3011
Mailing Address1768 Business Center Dr Ste 100Reston, VA 20190-5359 · (800) 762-9244 · Fax (786) 672-6006
Phone(503) 494-9000
Sole ProprietorYes
Medical School CMSUniversity Of New England, College Of Osteo MedicineGraduated 2004
Enumeration DateMay 30, 2007
Last NPPES UpdateJune 18, 20252 updates tracked since enumeration
NPPES CertifiedJune 18, 2025
✔ NPI 1457552168 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in OR · DO26647✔ Licensed in SC · 81905
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License DO26647 (OR)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License DO26647 (OR)
3181 SW SAM JACKSON PARK RD, Portland, OR 97239
Open in Google Maps ↗

Secondary Practice Location 1

Location 11768 Business Center Dr Ste 100Reston, VA 20190-5359 · Phone (800) 762-9244 · Fax (786) 672-6006

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Timothy John Fernstrom D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3678665551
PECOS Enrollment IDI20200807000631, I20200807000830, I20210201001401, I20210329002097, I20210405001874, I20220919000438, I20230128000418, I20230503002219, I20231011001228, I20241216003986, I20250403002258, I20250407003288, I20250414002217
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.

Areas of Expertise CMS Part B claims 2

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
221 services164 patients
Telehealth consultation, critical care, subsequent, physicians typically spend 50 minutes communicating with the patient and providers via telehealth G0509
A telehealth consultation for critical care is a virtual meeting with a doctor for ongoing critical health issues. It involves a 50-minute session where the physician connects with the patient and other healthcare providers to discuss and manage the patient's condition. This method ensures safe, convenient care.
17 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Wellstar Spalding Medical Center

Acute Care Hospitals · Griffin, GA
1/5 CMS rating
OwnershipProprietary
CMS Certification Number110031
Location601 South 8th StreetGriffin, GA 30224 · Spalding County
Emergency services Birthing friendly

Piedmont Macon North Hospital

Acute Care Hospitals · Macon, GA
4/5 CMS rating
OwnershipProprietary
CMS Certification Number110201
Location400 Charter BoulevardMacon, GA 31210 · Bibb County
Emergency services

Franciscan Health Olympia & Chicago Heights

Acute Care Hospitals · Olympia Fields, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140172
Location20201 S Crawford AvenueOlympia Fields, IL 60461 · Cook County
Emergency services Birthing friendly

Hancock Regional Hospital

Acute Care Hospitals · Greenfield, IN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150037
Location801 N State StGreenfield, IN 46140 · Hancock County
Emergency services Birthing friendly

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
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
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.

DONALD RICHARD SULLIVAN MD
Internal Medicine (Pulmonary Disease)
3181 SW SAM JACKSON PARK RD, UHN67
PORTLAND, OR 97239
Multnomah County (503) 494-6949
MRS. ANJALEE NIX ROWE NP
Nurse Practitioner (Acute Care)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-3988
REEM HASAN MD
Internal Medicine
3181 SW SAM JACKSON PARK RD, PPV 350
PORTLAND, OR 97239
Multnomah County (503) 494-8562
DR. AMANDA D BALL PSY.D
Psychologist (Clinical)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-6176
SUNSHINE WELSCH LMT
Massage Therapist
3181 SW SAM JACKSON PARK RD, 7D19
PORTLAND, OR 97239
Multnomah County (503) 494-8349
DR. ROBERT GENE MEALER M.D., PH.D.
Psychiatry & Neurology (Psychiatry)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-6176
GREGORY HALL MD
Radiology (Diagnostic Radiology)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 418-0990
DR. BURHAN AHMED MIAN MD
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-8311

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 Timothy Fernstrom's NPI number?

The NPI number for Timothy Fernstrom is 1457552168. It was assigned to this individual provider in the NPPES registry on May 30, 2007.

Where is Timothy Fernstrom located?

Timothy Fernstrom practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-9000.

What is Timothy Fernstrom's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Timothy Fernstrom enrolled in Medicare?

Yes. Timothy Fernstrom is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Timothy Fernstrom accept?

Health plans from Oscar Insurance Company list Timothy Fernstrom 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 Timothy Fernstrom affiliated with any hospitals?

According to CMS data, Timothy Fernstrom is affiliated with Wellstar Spalding Medical Center, Piedmont Macon North Hospital, Franciscan Health Olympia & Chicago Heights and Hancock Regional Hospital.

When was this NPI record last updated?

The NPPES record for Timothy Fernstrom was last updated on June 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.