DR. MARGARET WEBB KING M.D.
NPI 1598862229
Internal Medicine - Nephrology in Corvallis, OR

Q: What is Margaret King's NPI number?

The NPI number for Margaret King is 1598862229. It was assigned to this individual provider in the NPPES registry on September 17, 2006.

Q: What is Margaret King's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Margaret King was last updated on November 27, 2023. 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.

Active since September 17, 2006PECOS Enrolled

3615 NW SAMARITAN DR STE 203, CORVALLIS, OR 97330(541) 768-6930(541) 768-6931 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 26, 2020, Jan 25, 2017 (2 updates tracked since 2017).

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About Dr. Margaret Webb King M.d. NPPES

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

DR. MARGARET WEBB KING M.D. (NPI 1598862229) is an individual nephrology provider in Corvallis, Oregon, licensed in Oregon (MD174409) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Kalispell.

NPPES Registry Identity

NPI1598862229

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameDR. MARGARET WEBB KINGCredential: M.D.

Location Address3615 NW SAMARITAN DR STE 203Corvallis, OR 97330-3771

Mailing Address3615 Nw Samaritan Dr Ste 203Corvallis, OR 97330-3771 · (541) 768-6930 · Fax (541) 768-6931

Phone(541) 768-6930

Fax(541) 768-6931

Sole ProprietorNo

Enumeration DateSeptember 17, 2006

Last NPPES UpdateNovember 27, 20232 updates tracked since enumeration

NPPES CertifiedJune 26, 2020

✔ NPI 1598862229 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in OR · MD174409✔ Licensed in MT · 61154✔ Licensed in WA · MD00035259

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

3615 NW SAMARITAN DR STE 203, Corvallis, OR 97330

Open in Google Maps ↗

Secondary Practice Location 1

Location 175 Claremont St Ste HKalispell, MT 59901-3500 · Phone (406) 752-7406

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Margaret Webb King 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 Reassignment

Medicare enrollment records show Margaret King reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St Lukes Clinic-Treasure Valley LLC

266 mi

Rural Health

3950 17TH ST STE A
Baker City, OR 97814

Reassigned Medicare billing, Oregon enrollment
50 clinicians in this Medicare group

NPI 1336442607 (541) 523-1001

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 97330 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

$126.25 typical visit price

range $54.96 – $166.64

Typical copayment $31.56 (range $13.74 – $41.66)

Most-billed visit code 99204

Established Patient

$97.16 typical visit price

range $17.68 – $136.19

Typical copayment $24.29 (range $4.42 – $34.04)

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 7

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

KELSEY PEARL WILLIAMS PA

Physician Assistant (Medical)