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RONALD O WATSON MD
NPI 1821173162
Internal Medicine in Seattle, WA

Active since October 26, 2006PECOS Enrolled
3400 CALIFORNIA AVE SW, STE 300, SEATTLE, WA 98116(206) 320-3399(206) 320-5506 Get Directions Write a Review

NPPES record last updated: February 17, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ronald O Watson Md NPPES

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

RONALD O WATSON MD (NPI 1821173162) is an individual internal medicine provider in Seattle, Washington, licensed in Washington (MD00021869) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821173162
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameRONALD O WATSONCredential: MD
Location Address3400 CALIFORNIA AVE SW, STE 300Seattle, WA 98116
Mailing AddressPo Box 84026Seattle, WA 98124-8426 · (206) 320-3399
Phone(206) 320-3399
Fax(206) 320-5506
Sole ProprietorNo
Enumeration DateOctober 26, 2006
Last NPPES UpdateFebruary 17, 2009
✔ NPI 1821173162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WA · MD00021869
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3400 CALIFORNIA AVE SW, STE 300, Seattle, WA 98116
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Other Identifiers 2

Medicaid1030840WA
Medicare PINAB07922WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ronald O Watson Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98116 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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 5

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

MARTHA LYNN HYDE MD
Internal Medicine
3400 CALIFORNIA AVE SW, STE 300
SEATTLE, WA 98116
King County (206) 320-3399
DOBRINA M OKORN MD
Family Medicine
3400 CALIFORNIA AVE SW, STE 300
SEATTLE, WA 98116
King County (206) 320-3399
HOPE M RICE MD
Family Medicine
3400 CALIFORNIA AVE SW, STE 300
SEATTLE, WA 98116
King County (206) 320-3399
MICHAEL A. KOVAR MD
Family Medicine
3400 CALIFORNIA AVE SW, STE 300
SEATTLE, WA 98116
King County (206) 320-3399
JILL A SUMMERFIELD MD
Internal Medicine
3400 CALIFORNIA AVE SW, STE 300
SEATTLE, WA 98116
King County (206) 320-3399

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 Ronald Watson's NPI number?

The NPI number for Ronald Watson is 1821173162. It was assigned to this individual provider in the NPPES registry on October 26, 2006.

Where is Ronald Watson located?

Ronald Watson practices at 3400 California Ave SW, Ste 300, Seattle, WA 98116. The listed phone number is (206) 320-3399.

What is Ronald Watson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ronald Watson enrolled in Medicare?

Yes. Ronald Watson is registered in the Medicare PECOS enrollment system.

What insurance does Ronald Watson accept?

Health plans from PacificSource Health Plans and Providence Health Plan list Ronald Watson 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 Ronald Watson was last updated on February 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.