1. Home
  2. Directory
  3. NPI Profile
Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MR. JOHN MICHAEL CROTTY RN
NPI 1629974944
Registered Nurse - Ambulatory Care in Seattle, WA

Active since October 14, 2026
550 17TH AVE STE 400, SEATTLE, WA 98122(206) 320-7200(206) 397-1096 Get Directions Write a Review

NPPES record added: October 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. John Michael Crotty Rn NPPES

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

MR. JOHN MICHAEL CROTTY RN (NPI 1629974944) is an individual ambulatory care provider in Seattle, Washington, licensed in Washington (RN61549207) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1629974944
Entity TypeIndividualMale
Primary Taxonomy163WP2201X
Provider Legal NameMR. JOHN MICHAEL CROTTYCredential: RN
Location Address550 17TH AVE STE 400Seattle, WA 98122-5789
Mailing Address718 10th Ave E Apt 4Seattle, WA 98102-4673 · (206) 320-7200 · Fax (206) 397-1096
Phone(206) 320-7200
Fax(206) 397-1096
Sole ProprietorYes
Enumeration DateOctober 14, 2026
NPPES CertifiedOctober 14, 2026
✔ NPI 1629974944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Ambulatory CareNursing Service Providers
Taxonomy Code163WP2201X
License✔ Licensed in WA · RN61549207
550 17TH AVE STE 400, Seattle, WA 98122
Open in Google Maps ↗

Other Providers at the Same Location NPPES 15

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

DR. KRISTYN M POCOCK MD
Psychiatry & Neurology (Neurology)
550 17TH AVE STE 400
SEATTLE, WA 98122
King County (206) 320-3494
YASMEEN SAMAD RDN, CD
Dietitian, Registered
550 17TH AVE STE 400
SEATTLE, WA 98122
King County (206) 320-3494
DR. MICHAEL A ELLIOTT MD
Psychiatry & Neurology (Neuromuscular Medicine)
550 17TH AVE STE 400
SEATTLE, WA 98122
King County (206) 320-2840
ERICA CUNNINGHAM MA
Speech-Language Pathologist
550 17TH AVE STE 400
SEATTLE, WA 98122
King County (206) 320-3494
JOSHUA HERNANDEZ BUCK MD
Psychiatry & Neurology (Neurology)
550 17TH AVE STE 400
SEATTLE, WA 98122
King County (206) 320-3494
DAVID NATHANIEL IVANICK MD
Psychiatry & Neurology (Neuromuscular Medicine)
550 17TH AVE STE 400
SEATTLE, WA 98122
King County (206) 320-3494
ELENA ROBINSON MD
Psychiatry & Neurology (Neurology)
550 17TH AVE STE 400
SEATTLE, WA 98122
King County (206) 320-3494
DR. EMMA L DOTSON ARNP, DNP
Nurse Practitioner
550 17TH AVE STE 400
SEATTLE, WA 98122
King County (206) 320-3494

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 John Crotty's NPI number?

The NPI number for John Crotty is 1629974944. It was assigned to this individual provider in the NPPES registry on October 14, 2026.

Where is John Crotty located?

John Crotty practices at 550 17th Ave Ste 400, Seattle, WA 98122. The listed phone number is (206) 320-7200.

What is John Crotty's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Ambulatory Care, with taxonomy code 163WP2201X.

When was this NPI record last updated?

The NPPES record for John Crotty was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.