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

MITCHELL DOUGLAS OSTERMAN
NPI 1245125368
Peer Specialist in Seattle, WA

Active since June 10, 2025
929 N 130TH ST STE 3, SEATTLE, WA 98133(253) 833-7444(253) 835-9976 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 14, 2026, Jul 22, 2026, Jun 10, 2025 (3 updates tracked since 2025).

About Mitchell Douglas Osterman NPPES

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

MITCHELL DOUGLAS OSTERMAN (NPI 1245125368) is an individual peer specialist in Seattle, Washington, licensed in Washington (CPST.PE.7005585) and active in the NPI registry since June 2025.

NPPES Registry Identity

NPI1245125368
Entity TypeIndividualMale
Primary Taxonomy175T00000X
Provider Legal NameMITCHELL DOUGLAS OSTERMAN
Location Address929 N 130TH ST STE 3Seattle, WA 98133-7500
Mailing Address325 W Gowe StKent, WA 98032-5892 · (253) 833-7444 · Fax (253) 661-8631
Phone(253) 833-7444
Fax(253) 835-9976
Sole ProprietorNo
Enumeration DateJune 10, 2025
Last NPPES UpdateAugust 14, 20263 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1245125368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPeer SpecialistOther Service Providers
Taxonomy Code175T00000X
License✔ Licensed in WA · CPST.PE.7005585
Definition
Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.
929 N 130TH ST STE 3, Seattle, WA 98133
Open in Google Maps ↗

Other Identifiers 1

Medicaid2342734WA

Other Providers at the Same Location NPPES 16

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

SHWETHA NIKHIL DEVANUR
Counselor
929 N 130TH ST STE 3
SEATTLE, WA 98133
King County (253) 833-7444
TAYLOR MELVILLE
Counselor
929 N 130TH ST STE 3
SEATTLE, WA 98133
King County (253) 833-7444
TIFFANY BENAVENTE
Technician
929 N 130TH ST STE 3
SEATTLE, WA 98133
King County (253) 833-7444
CESAR MAXIMINO DELGADO PINOARGOTE
Counselor (Mental Health)
929 N 130TH ST STE 3
SEATTLE, WA 98133
King County (253) 833-7444
MICAH SULLIVAN
Counselor
929 N 130TH ST STE 3
SEATTLE, WA 98133
King County (253) 833-7444
AUTUMN LEE
Counselor
929 N 130TH ST STE 3
SEATTLE, WA 98133
King County (253) 833-7444
MCKENNA ACCIANI
Social Worker
929 N 130TH ST STE 3
SEATTLE, WA 98133
King County (253) 833-7444
KATHRYN POWELL RACHID
Counselor
929 N 130TH ST STE 3
SEATTLE, WA 98133
King County (253) 833-7444

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 Mitchell Osterman's NPI number?

The NPI number for Mitchell Osterman is 1245125368. It was assigned to this individual provider in the NPPES registry on June 10, 2025.

Where is Mitchell Osterman located?

Mitchell Osterman practices at 929 N 130th St Ste 3, Seattle, WA 98133. The listed phone number is (253) 833-7444.

What is Mitchell Osterman's specialty?

The primary specialty registered for this NPI is Peer Specialist with taxonomy code 175T00000X.

When was this NPI record last updated?

The NPPES record for Mitchell Osterman was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.