DR. RICHARD N HAMILTON MD
NPI 1851387484
Obstetrics & Gynecology - Gynecology in Portland, OR

Active since September 20, 2005PECOS EnrolledAccepts Medicare Assignment
9701 SW BARNES RD STE 150, PORTLAND, OR 97225(503) 734-3535(503) 734-3530 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 29, 2026, Sep 29, 2022, Jun 22, 2017 and 1 more (4 updates tracked since 2016).

About Dr. Richard N Hamilton Md NPPES

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

DR. RICHARD N HAMILTON MD (NPI 1851387484) is an individual gynecology provider in Portland, Oregon, licensed in Oregon (MD21544) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Legacy Emanuel Medical Center, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1996).

NPPES Registry Identity

NPI1851387484
Entity TypeIndividualMale
Primary Taxonomy207VG0400X
Provider Legal NameDR. RICHARD N HAMILTONCredential: MD
Location Address9701 SW BARNES RD STE 150Portland, OR 97225-6689
Mailing Address7650 Sw Beveland Rd Ste 200Portland, OR 97223-8692 · (503) 601-3615 · Fax (503) 646-1683
Fax(503) 734-3530
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 1996
Enumeration DateSeptember 20, 2005
Last NPPES UpdateJanuary 29, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 29, 2026
NPI 1851387484 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
License Licensed in OR · MD21544
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License MD21544 (OR)
9701 SW BARNES RD STE 150, Portland, OR 97225

Other Identifiers 1

Medicaid288347OR

Accepted 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

Dr. Richard N Hamilton 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 ID6901795012
PECOS Enrollment IDI20040624000304
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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
18 services18 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
13 services12 patients

Hospital Affiliations CMS Care Compare

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

Legacy Emanuel Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380007
Location2801 N Gantenbein AvenuePortland, OR 97227 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97225 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
$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 7

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

Nurse Practitioner (Women's Health)
9701 SW BARNES RD STE 150
PORTLAND, OR 97225
Physician Assistant (Surgical)
9701 SW BARNES RD STE 150
PORTLAND, OR 97225
Nurse Practitioner (Family)
9701 SW BARNES RD STE 150
PORTLAND, OR 97225
Physician Assistant (Surgical)
9701 SW BARNES RD STE 150
PORTLAND, OR 97225
Nurse Practitioner (Women's Health)
9701 SW BARNES RD STE 150
PORTLAND, OR 97225
Obstetrics & Gynecology (Gynecology)
9701 SW BARNES RD STE 150
PORTLAND, OR 97225
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
9701 SW BARNES RD STE 150
PORTLAND, OR 97225

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 Richard Hamilton's NPI number?

The NPI number for Richard Hamilton is 1851387484. It was assigned to this individual provider in the NPPES registry on September 20, 2005.

Where is Richard Hamilton located?

Richard Hamilton practices at 9701 SW Barnes Rd Ste 150, Portland, OR 97225. The listed phone number is (503) 734-3535.

What is Richard Hamilton's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Is Richard Hamilton enrolled in Medicare?

Yes. Richard Hamilton 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 Richard Hamilton accept?

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

According to CMS data, Richard Hamilton is affiliated with Legacy Emanuel Medical Center.

When was this NPI record last updated?

The NPPES record for Richard Hamilton was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.