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GRANT MARQUART MD
NPI 1730728361
Family Medicine in Portland, OR

Active since December 30, 2019PECOS EnrolledAccepts Medicare Assignment
19500 SE STARK ST, PORTLAND, OR 97233(800) 813-2000 Get Directions Write a Review

NPPES record last updated: August 29, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 26, 2025, Nov 28, 2022, Jul 4, 2022 and 3 more (6 updates tracked since 2019).

About Grant Marquart Md NPPES

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

GRANT MARQUART MD (NPI 1730728361) is an individual family medicine provider in Portland, Oregon, licensed in Oregon (MD224178) and active in the NPI registry since December 2019. He is enrolled in Medicare PECOS and is a graduate of Oregon Health Sciences University School Of Medicine (2021).

NPPES Registry Identity

NPI1730728361
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameGRANT MARQUARTCredential: MD
Location Address19500 SE STARK STPortland, OR 97233-5757
Mailing Address19500 Se Stark StPortland, OR 97233-5757 · (800) 813-2000
Phone(800) 813-2000
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2021
Enumeration DateDecember 30, 2019
Last NPPES UpdateAugust 29, 20256 updates tracked since enumeration
NPPES CertifiedAugust 29, 2025
✔ NPI 1730728361 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in OR · MD224178
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.
19500 SE STARK ST, Portland, OR 97233
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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

Grant Marquart Md 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 ID1759786379
PECOS Enrollment IDI20250925003039, I20250925003364
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97233 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.

MS. MEGAN LILAH MARTIN MA
Counselor (Addiction (Substance Use Disorder))
19500 SE STARK ST
PORTLAND, OR 97233
Multnomah County (800) 813-2000
MS. GAYLE A NORIE GAYLE NORIE
Nurse Practitioner (Family)
19500 SE STARK ST, PORTLAND
PORTLAND, OR 97233
Multnomah County (503) 669-3900
ANNA CAREY HINZ
Student in an Organized Health Care Education/Training Program
19500 SE STARK ST
PORTLAND, OR 97233
Multnomah County (800) 813-2000
KEVIN TOMLIN LPC
Counselor (Addiction (Substance Use Disorder))
19500 SE STARK ST
PORTLAND, OR 97233
Multnomah County (503) 249-3434
CHRISTINA CASNAR PHD
Psychologist (Clinical)
19500 SE STARK ST
PORTLAND, OR 97233
Multnomah County (503) 669-5072
SARAH K KRAKAUER CNM
Advanced Practice Midwife
19500 SE STARK ST
PORTLAND, OR 97233
Multnomah County (503) 669-3900
BRIAN JOEL GOULD M.D.
Internal Medicine
19500 SE STARK ST
PORTLAND, OR 97233
Multnomah County (800) 813-2000
DENISE GARCIA
Social Worker
19500 SE STARK ST
PORTLAND, OR 97233
Multnomah County (503) 669-5048

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 Grant Marquart's NPI number?

The NPI number for Grant Marquart is 1730728361. It was assigned to this individual provider in the NPPES registry on December 30, 2019.

Where is Grant Marquart located?

Grant Marquart practices at 19500 SE Stark St, Portland, OR 97233. The listed phone number is (800) 813-2000.

What is Grant Marquart's specialty?

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

Is Grant Marquart enrolled in Medicare?

Yes. Grant Marquart 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.

When was this NPI record last updated?

The NPPES record for Grant Marquart was last updated on August 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.