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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. PATRICK STAUFFER MD
NPI 1639706260
Internal Medicine - Gastroenterology in Portland, OR

Active since March 24, 2020PECOS Enrolled
1111 NE 99TH AVE STE 301, PORTLAND, OR 97220(503) 963-2707(503) 963-2802 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2026, Jul 21, 2026, Mar 24, 2020 (3 updates tracked since 2020).

About Dr. Patrick Stauffer Md NPPES

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

DR. PATRICK STAUFFER MD (NPI 1639706260) is an individual gastroenterology provider in Portland, Oregon, licensed in Oregon (MD229277) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Happy Valley, and is a graduate of Oregon Health Sciences University School Of Medicine (2020).

NPPES Registry Identity

NPI1639706260
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. PATRICK STAUFFERCredential: MD
Location Address1111 NE 99TH AVE STE 301Portland, OR 97220-9442
Mailing Address541 Ne 20th Ave Ste 225Portland, OR 97232-2895 · (503) 963-2801 · Fax (503) 963-2825
Phone(503) 963-2707
Fax(503) 963-2802
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2020
Enumeration DateMarch 24, 2020
Last NPPES UpdateSeptember 29, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2026
✔ NPI 1639706260 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in OR · MD229277
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1111 NE 99TH AVE STE 301, Portland, OR 97220
Open in Google Maps ↗

Secondary Practice Location 1

Location 19300 SE 91st Ave Ste 300Happy Valley, OR 97086-3762 · Phone (503) 963-2707 · Fax (503) 963-2802

Other Identifiers 2

Medicaid2159917WA
Medicaid500792883OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Providence Health Plan, Regence BlueCross BlueShield of Oregon.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Patrick Stauffer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4385067636
PECOS Enrollment IDI20260724004212
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 Patrick Stauffer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Oregon Clinic PC
4.0 mi
Specialist
541 NE 20TH AVE, SUITE 225
Portland, OR 97232
  • Reassigned Medicare billing, Oregon enrollment
  • 338 clinicians in this Medicare group
NPI 1265417174 (503) 963-2801

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 97220 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 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL BARTH PA-C
Physician Assistant
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
DR. BRANDEN DAVID TARLOW MD
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
IAN HOLMES MD
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
DR. GENNADIY BAKIS M.D.
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
TIFFANY LAMBROU M.D.
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
MEGAN CHRISTINA WEST FNP
Nurse Practitioner (Family)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
JENNIFER YEH MD
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
KATHERINE PAMELA RATHBUN CNP
Nurse Practitioner (Gerontology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707

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 Patrick Stauffer's NPI number?

The NPI number for Patrick Stauffer is 1639706260. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Patrick Stauffer located?

Patrick Stauffer practices at 1111 NE 99th Ave Ste 301, Portland, OR 97220. The listed phone number is (503) 963-2707.

What is Patrick Stauffer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Patrick Stauffer enrolled in Medicare?

Yes. Patrick Stauffer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Patrick Stauffer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Stauffer reassigns Medicare benefits to The Oregon Clinic PC (Portland, 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 Patrick Stauffer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Patrick Stauffer accept?

Health plans from BridgeSpan Health Company, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Patrick Stauffer 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 Patrick Stauffer was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.