1. Home
  2. Directory
  3. Oregon
  4. Hillsboro
  5. Surgery
  6. NPI Profile

DR. ROBERT M CAHN M.D.
NPI 1821110065
Surgery in Hillsboro, OR

Active since April 06, 2007PECOS Enrolled
364 SE 8TH AVE, SUITE 301A, HILLSBORO, OR 97123(503) 681-4310 Get Directions Write a Review

NPPES record last updated: April 14, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Robert M Cahn M.d. NPPES

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

DR. ROBERT M CAHN M.D. (NPI 1821110065) is an individual surgery provider in Hillsboro, Oregon, licensed in Idaho (M-8000) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821110065
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. ROBERT M CAHNCredential: M.D.
Location Address364 SE 8TH AVE, SUITE 301AHillsboro, OR 97123-4253
Mailing Address364 Se 8th Ave, Suite 301aHillsboro, OR 97123-4253 · (503) 681-4310
Phone(503) 681-4310
Sole ProprietorNo
Enumeration DateApril 6, 2007
Last NPPES UpdateApril 14, 2016
✔ NPI 1821110065 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in ID · M-8000
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
364 SE 8TH AVE, Hillsboro, OR 97123
Open in Google Maps ↗

Other Identifiers 7

Medicare UPINH15141ID
Other020050267ID · Railroad Medicare
OtherJ3912ID · Blue Cross Of Idaho
Medicare PIN1143865ID
Medicaid805712600ID
Other000010028207ID · Blue Shield Of Idaho
Other280854ID · Altius Health Plan

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert M Cahn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Robert Cahn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tuality Healthcare
0.1 mi
Psychiatric Hospital
335 SE 8TH AVE
Hillsboro, OR 97123
  • Reassigned Medicare billing, Oregon enrollment
  • 185 clinicians in this Medicare group
NPI 1073817714 (503) 681-1111
Salem Health
26 mi
Family Medicine
105 ARNEY RD STE 120
Woodburn, OR 97071
  • Reassigned Medicare billing, Oregon enrollment
  • 625 clinicians in this Medicare group
NPI 1578112066 (503) 184-4400

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

Areas of Expertise CMS Part B claims

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97123 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
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
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.

JULIE ANN OLDS MD
Obstetrics & Gynecology
364 SE 8TH AVE, SUITE 205
HILLSBORO, OR 97123
Washington County (503) 681-1690
MOHAMMED A TAHER MD
Internal Medicine
364 SE 8TH AVE, SUITE 301
HILLSBORO, OR 97123
Washington County (503) 681-4233
DR. PATRICK J O'LEARY M.D.
Surgery
364 SE 8TH AVE, SUITE 301A
HILLSBORO, OR 97123
Washington County (503) 681-4310
DR. MICHAEL GREGORY DOORLY MD, MS
Colon & Rectal Surgery
364 SE 8TH AVE, SUITE 301A
HILLSBORO, OR 97123
Washington County (503) 681-4310
MISS JULIA ELIZABETH SHANNON WHNP
Nurse Practitioner (Women's Health)
364 SE 8TH AVE, SUITE 205
HILLSBORO, OR 97123
Washington County (503) 681-4145
TUALITY HEALTHCARE
Clinic/Center (Infusion Therapy)
364 SE 8TH AVE, SUITE 105
HILLSBORO, OR 97123
Washington County (503) 681-1064
DR. GERALD E GIBBS M.D.
Internal Medicine (Hematology & Oncology)
364 SE 8TH AVE, SUITE 108-A
HILLSBORO, OR 97123
Washington County (503) 640-3687
DR. DANIEL K FRIEDMAN M.D.
Psychiatry & Neurology (Neurology)
364 SE 8TH AVE, SUITE 101
HILLSBORO, OR 97123
Washington County (503) 681-0816

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 Robert Cahn's NPI number?

The NPI number for Robert Cahn is 1821110065. It was assigned to this individual provider in the NPPES registry on April 6, 2007.

Where is Robert Cahn located?

Robert Cahn practices at 364 SE 8th Ave Suite 301A, Hillsboro, OR 97123. The listed phone number is (503) 681-4310.

What is Robert Cahn's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Robert Cahn enrolled in Medicare?

Yes. Robert Cahn is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Cahn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Cahn reassigns Medicare benefits to 2 organizations: Tuality Healthcare (Hillsboro, OR) and Salem Health (Woodburn, OR). Each 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 Robert Cahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Robert Cahn was last updated on April 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.