What is Lily Henson's NPI number?

Lily Henson's National Provider Identifier (NPI) is 1639252661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lily Henson's specialty?

Lily Henson is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).

Where is Lily Henson located?

Lily Henson's practice location on file with NPPES is 500 17th Ave, Seattle, WA 98122-5711.

What is Lily Henson's phone number?

The practice phone number listed in the NPPES registry for Lily Henson is (206) 320-2800.

Does Lily Henson accept Medicare?

Lily Henson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Lily Henson's NPI active?

Yes — Lily Henson's NPI (1639252661) is active in the NPPES registry as of the last update on 2021-05-18.

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Lily Henson, MD

NPI 1639252661 · Neurology Physician · Seattle, WA

Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Lily Henson, MD is a Neurology Physician provider in Seattle, WA (NPI 1639252661).

Provider details

NPI number: 1639252661
Entity type: Individual
Primary specialty: Neurology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: MD00025803 (WA)

Specialties & taxonomies

Neurology PhysicianPrimary2084N0400XLicense MD00025803 (WA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(99/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
5 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

500 17th Ave

Seattle, WA 98122-5711

Phone: (206) 320-2800

Fax: (206) 320-2827

Street-level locationGet directions

More WA providers

Mailing address

Po Box 25608

Salt Lake City, UT 84125-0608

Additional practice locations (4)

1200 112th Ave Ne Ste B250
Bellevue, WA 98004-3749
Phone: (206) 320-3494
Fax: (206) 386-2845
751 Ne Blakely Dr Ste 4020
Issaquah, WA 98029-6201
Phone: (425) 313-7070
Fax: (425) 313-7179
5350 Tallman Ave Nw Ste 400
Seattle, WA 98107-5909
Phone: (206) 781-6320
Fax: (206) 781-6321
550 17th Ave Ste 400
Seattle, WA 98122-5789
Phone: (206) 320-3278
Fax: (206) 386-2845

Enumerated: 2006-10-23
Last updated: 2021-05-18
Certified: 2021-05-18

Frequently asked questions

What is Lily Henson's NPI number?: Lily Henson's National Provider Identifier (NPI) is 1639252661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Lily Henson's specialty?: Lily Henson is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
Where is Lily Henson located?: Lily Henson's practice location on file with NPPES is 500 17th Ave, Seattle, WA 98122-5711.
What is Lily Henson's phone number?: The practice phone number listed in the NPPES registry for Lily Henson is (206) 320-2800.
Does Lily Henson accept Medicare?: Lily Henson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Lily Henson's NPI active?: Yes — Lily Henson's NPI (1639252661) is active in the NPPES registry as of the last update on 2021-05-18.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.