What is Robert Grenley's NPI number?

Robert Grenley's National Provider Identifier (NPI) is 1124223375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Robert Grenley's specialty?

Robert Grenley is listed in the NPPES registry with a primary specialty of Plastic Surgery Physician (Allopathic & Osteopathic Physicians).

Where is Robert Grenley located?

Robert Grenley's practice location on file with NPPES is 600 Broadway, Seattle, WA 98122-5395.

What is Robert Grenley's phone number?

The practice phone number listed in the NPPES registry for Robert Grenley is (206) 324-1120.

Is Robert Grenley's NPI active?

Yes — Robert Grenley's NPI (1124223375) is active in the NPPES registry as of the last update on 2007-07-08.

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Robert Grenley

NPI 1124223375 · Plastic Surgery Physician · Seattle, WA

Robert Grenley is a Plastic Surgery Physician provider in Seattle, WA (NPI 1124223375).

Provider details

NPI number: 1124223375
Entity type: Individual
Primary specialty: Plastic Surgery PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: Yes
License: MD00019228 (WA)

Practice location

600 Broadway

Suite 320

Seattle, WA 98122-5395

Phone: (206) 324-1120

Street-level locationGet directions

More WA providers

Mailing address

600 Broadway

Seattle, WA 98122-5395

Specialties & taxonomies

Plastic Surgery PhysicianPrimary208200000XLicense MD00019228 (WA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 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
1 documented practice location

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.

Enumerated: 2007-06-18
Last updated: 2007-07-08

Frequently asked questions

What is Robert Grenley's NPI number?: Robert Grenley's National Provider Identifier (NPI) is 1124223375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Robert Grenley's specialty?: Robert Grenley is listed in the NPPES registry with a primary specialty of Plastic Surgery Physician (Allopathic & Osteopathic Physicians).
Where is Robert Grenley located?: Robert Grenley's practice location on file with NPPES is 600 Broadway, Seattle, WA 98122-5395.
What is Robert Grenley's phone number?: The practice phone number listed in the NPPES registry for Robert Grenley is (206) 324-1120.
Is Robert Grenley's NPI active?: Yes — Robert Grenley's NPI (1124223375) is active in the NPPES registry as of the last update on 2007-07-08.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions