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

DANIEL GEORGE WILLCOCKSON MD
NPI 1265178800
Internal Medicine in Seattle, WA

Active since May 06, 2022PECOS Enrolled
515 MINOR AVE STE 300, SEATTLE, WA 98104(206) 386-9505(206) 860-6663 Get Directions Write a Review

NPPES record last updated: August 28, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 28, 2026, May 6, 2022 (2 updates tracked since 2022).

About Daniel George Willcockson Md NPPES

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

DANIEL GEORGE WILLCOCKSON MD (NPI 1265178800) is an individual internal medicine provider in Seattle, Washington, licensed in Washington (MD61678883) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1265178800
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDANIEL GEORGE WILLCOCKSONCredential: MD
Location Address515 MINOR AVE STE 300Seattle, WA 98104-2133
Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476
Fax(206) 860-6663
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMay 6, 2022
Last NPPES UpdateAugust 28, 20262 updates tracked since enumeration
NPPES CertifiedAugust 28, 2026
NPI 1265178800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in WA · MD61678883
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.
Also ListedHospitalistTaxonomy 208M00000X · License MD61678883 (WA)
515 MINOR AVE STE 300, Seattle, WA 98104

Other Identifiers 1

Medicaid2336790WA

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

Daniel George Willcockson 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 ID6800278466
PECOS Enrollment IDI20250910004520
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.

Hospital Affiliations CMS Care Compare

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

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number500008
Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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 20

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

Internal Medicine
515 MINOR AVE STE 300
SEATTLE, WA 98104
Internal Medicine (Pulmonary Disease)
515 MINOR AVE STE 300
SEATTLE, WA 98104
Internal Medicine
515 MINOR AVE STE 300
SEATTLE, WA 98104
Internal Medicine (Rheumatology)
515 MINOR AVE STE 300
SEATTLE, WA 98104
Nurse Practitioner (Family)
515 MINOR AVE STE 300
SEATTLE, WA 98104
Internal Medicine (Nephrology)
515 MINOR AVE STE 300
SEATTLE, WA 98104
Pharmacist
515 MINOR AVE STE 300
SEATTLE, WA 98104
Counselor (Mental Health)
515 MINOR AVE STE 300
SEATTLE, WA 98104

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 Daniel Willcockson's NPI number?

The NPI number for Daniel Willcockson is 1265178800. It was assigned to this individual provider in the NPPES registry on May 6, 2022.

Where is Daniel Willcockson located?

Daniel Willcockson practices at 515 Minor Ave Ste 300, Seattle, WA 98104. The listed phone number is (206) 386-9505.

What is Daniel Willcockson's specialty?

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

Is Daniel Willcockson enrolled in Medicare?

Yes. Daniel Willcockson 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 Daniel Willcockson accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Daniel Willcockson 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 Daniel Willcockson affiliated with any hospitals?

According to CMS data, Daniel Willcockson is affiliated with University Of Washington Medical Ctr.

When was this NPI record last updated?

The NPPES record for Daniel Willcockson was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.