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ONE MEDICAL GROUP, INC
NPI 1891521134
Family Medicine in Tigard, OR

Active since September 12, 2024
12180 SW SCHOLLS FERRY RD, TIGARD, OR 97223(888) 663-6331(503) 479-3655 Get Directions Write a Review

NPPES record last updated: September 12, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About One Medical Group, Inc NPPES

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

ONE MEDICAL GROUP, INC (NPI 1891521134) is a healthcare organization registered as a family medicine in Tigard, Oregon and active in the NPI registry since September 2024. The organization maintains 2 additional practice locations and lists Andrew S Diamond, Chief Medical Officer, as its authorized official.

NPPES Registry Identity

NPI1891521134
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameONE MEDICAL GROUP, INC
Location Address12180 SW SCHOLLS FERRY RDTigard, OR 97223-3334
Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (415) 658-6791
Phone(888) 663-6331
Fax(503) 479-3655
Organization SubpartNo
Authorized OfficialAndrew S DiamondChief Medical Officer · (415) 658-6791
Enumeration DateSeptember 12, 2024
NPPES CertifiedSeptember 12, 2024
✔ NPI 1891521134 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
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.
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedPediatricsTaxonomy 208000000X
12180 SW SCHOLLS FERRY RD, Tigard, OR 97223
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Other Names 1

Other NameOne Medical

Secondary Practice Locations 2

Location 12865 SW Cedar Hills BlvdBeaverton, OR 97005-1343 · Phone (888) 663-6331 · Fax (415) 252-7176
Location 21122 NW Everett StPortland, OR 97209-2915 · Phone (888) 663-6331 · Fax (415) 252-7176

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

One Medical Group, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

9

Medicare enrollment records show 9 clinicians reassign Medicare billing to One Medical Group, Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians, nearest first (9)

Robert Fuchs, DNP, FNP-C
Nurse Practitioner
NPI 1962889089
12180 SW SCHOLLS FERRY RD
Tigard, OR 97223
(888) 663-6331
✔ PECOS✔ Accepts MedicareSame address
Jeremiah Knapp, M.D.
Family Practice
NPI 1922414721
12180 SW SCHOLLS FERRY RD
Tigard, OR 97223
(888) 663-6331
✔ PECOS✔ Accepts MedicareSame address
Michael Chen, M.D.
Family Practice
NPI 1023005410
9250 SW HALL BLVD
Tigard, OR 97223
(503) 221-0161
✔ PECOS✔ Accepts Medicare1.5 mi
Herbert Lim, MD
Family Practice
NPI 1235124520
2865 SW CEDAR HILLS BLVD BLDG 14
Beaverton, OR 97005
(888) 663-6331
✔ PECOS✔ Accepts Medicare3.9 mi
Sarah Fihn, NP
Nurse Practitioner
NPI 1215566922
601 SW 4TH AVE
Portland, OR 97204
(888) 663-6331
✔ PECOS✔ Accepts Medicare8.0 mi
Eric Norris, MD
Family Practice
NPI 1790737062
1122 NW EVERETT ST
Portland, OR 97209
(888) 663-6331
✔ PECOS✔ Accepts Medicare8.1 mi
Mary Frances Lowdermilk, M.D.
Family Practice
NPI 1245453315
20 N SKIDMORE ST
Portland, OR 97217
(888) 663-6331
✔ PECOS✔ Accepts Medicare10 mi
Jonathan Shie, MD
Family Practice
NPI 1619322393
20 N SKIDMORE ST
Portland, OR 97217
(888) 663-6331
✔ PECOS✔ Accepts Medicare10 mi
Matthew Upshaw, D.O.
Family Practice
NPI 1407842487
20 N SKIDMORE ST
Portland, OR 97217
(888) 663-6331
✔ PECOS✔ Accepts Medicare10 mi

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

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 One Medical Group, Inc's NPI number?

The NPI number for One Medical Group, Inc is 1891521134. It was assigned to this organization in the NPPES registry on September 12, 2024. The provider is also known as One Medical.

Where is One Medical Group, Inc located?

One Medical Group, Inc is located at 12180 SW Scholls Ferry Rd, Tigard, OR 97223. The listed phone number is (888) 663-6331.

What is One Medical Group, Inc's specialty?

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

Is One Medical Group, Inc enrolled in Medicare?

Yes. One Medical Group, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through One Medical Group, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 2 Medicare specialties reassign their Medicare billing to One Medical Group, Inc. A 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 the clinician's services. The largest specialties are Family Practice (7) and Nurse Practitioner (2). Of these, 2 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for One Medical Group, Inc was last updated on September 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.