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MRS. GWEN JOHANNA GREWE M.D.
NPI 1326014234
Internal Medicine in Tualatin, OR

Active since February 28, 2006PECOS EnrolledAccepts Medicare Assignment
19875 SW 65TH AVE, TUALATIN, OR 97062(503) 692-7785(503) 885-1663 Get Directions Write a Review

NPPES record last updated: February 18, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Gwen Johanna Grewe M.d. NPPES

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

MRS. GWEN JOHANNA GREWE M.D. (NPI 1326014234) is an individual internal medicine provider in Tualatin, Oregon, licensed in Oregon (MD21373) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Legacy Good Samaritan Medical Center, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1326014234
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMRS. GWEN JOHANNA GREWECredential: M.D.
Location Address19875 SW 65TH AVETualatin, OR 97062-8353
Mailing Address2007 Sw Dewitt StPortland, OR 97239-2031 · (503) 977-2070
Phone(503) 692-7785
Fax(503) 885-1663
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateFebruary 28, 2006
Last NPPES UpdateFebruary 18, 2011
✔ NPI 1326014234 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OR · MD21373
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.
19875 SW 65TH AVE, Tualatin, OR 97062
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Other Identifiers 3

Medicare UPINH20190OR
Medicaid288449OR
Medicare ID-Type Unspecified107351OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and more.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

Mrs. Gwen Johanna Grewe M.d. 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 ID2961696240
PECOS Enrollment IDI20101101000210
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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
62 services41 patients
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.
32 services26 patients

Hospital Affiliations CMS Care Compare 2

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

Legacy Good Samaritan Medical Center

Acute Care Hospitals · Portland, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380017
Location1015 NW 22nd Avenue, W121Portland, OR 97210 · Multnomah County
Emergency services Birthing friendly

Legacy Meridian Park Medical Center

Acute Care Hospitals · Tualatin, OR
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380089
Location19300 SW 65th AvenueTualatin, OR 97062 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97062 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.

DR. TAMMI KAYE BOSTON MD
Internal Medicine
19875 SW 65TH AVE, SUITE 100
TUALATIN, OR 97062
Washington County (503) 692-7785
DR. MARK LEO MCKINSTRY MD
Internal Medicine
19875 SW 65TH AVE
TUALATIN, OR 97062
Washington County (503) 692-7785
DR. WARREN IKPOMOSA OKUNS M.D.
Family Medicine
19875 SW 65TH AVE, SUITE 100
TUALATIN, OR 97062
Washington County (503) 692-7785
NANCY SUMMERS
Registered Nurse (Diabetes Educator)
19875 SW 65TH AVE, SUITE 100
TUALATIN, OR 97062
Washington County (503) 756-1080
ROBERT D COOK MD PC
Specialist
19875 SW 65TH AVE, SUITE 201
TUALATIN, OR 97062
Washington County (503) 692-3250
WILLAMETTE DERMATOLOGY, P.C.
Specialist
19875 SW 65TH AVE, SUITE 260
TUALATIN, OR 97062
Washington County (503) 691-1743
ELIZABETH FLORES M.D.
Family Medicine (Geriatric Medicine)
19875 SW 65TH AVE
TUALATIN, OR 97062
Washington County (503) 692-7785
DR. JONATHAN MICHAEL BERGER M.D.
Family Medicine
19875 SW 65TH AVE
TUALATIN, OR 97062
Washington County (503) 692-7785

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 Gwen Grewe's NPI number?

The NPI number for Gwen Grewe is 1326014234. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Where is Gwen Grewe located?

Gwen Grewe practices at 19875 SW 65th Ave, Tualatin, OR 97062. The listed phone number is (503) 692-7785.

What is Gwen Grewe's specialty?

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

Is Gwen Grewe enrolled in Medicare?

Yes. Gwen Grewe 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 Gwen Grewe accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Gwen Grewe 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 Gwen Grewe affiliated with any hospitals?

According to CMS data, Gwen Grewe is affiliated with Legacy Good Samaritan Medical Center and Legacy Meridian Park Medical Center.

When was this NPI record last updated?

The NPPES record for Gwen Grewe was last updated on February 18, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years 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.