What is John Phelps's NPI number?

John Phelps's National Provider Identifier (NPI) is 1598374837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Phelps's specialty?

John Phelps is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is John Phelps located?

John Phelps's practice location on file with NPPES is 3901 Capital Mall Dr Sw Ste D, Olympia, WA 98502-8654.

What is John Phelps's phone number?

The practice phone number listed in the NPPES registry for John Phelps is (360) 709-6221.

Does John Phelps accept Medicare?

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

Is John Phelps's NPI active?

Yes — John Phelps's NPI (1598374837) is active in the NPPES registry as of the last update on 2022-09-06.

IndividualActiveAccepts Medicare

John Phelps, PT, DPT

NPI 1598374837 · Physical Therapist · Olympia, WA

Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)

John Phelps, PT, DPT is a Physical Therapist provider in Olympia, WA (NPI 1598374837).

Provider details

NPI number: 1598374837
Entity type: Individual
Primary specialty: Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Credential: PT, DPT
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Physical TherapistPrimary225100000XLicense PT61343848 (WA)
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Physical Therapist225100000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Established profile(67/100 index)

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

Registry tenure38% of score
5 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
3 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

3901 Capital Mall Dr Sw Ste D

Olympia, WA 98502-8654

Phone: (360) 709-6221

Fax: (360) 359-4727

Street-level locationGet directions

More WA providers

Mailing address

3901 Capital Mall Dr Sw Ste D

Olympia, WA 98502-8654

Additional practice locations (2)

1425 E Main St Ste 600
Fredericksburg, TX 78624-5335
Phone: (830) 391-8009
Fax: (830) 990-9088
5441 Babcock Rd Ste 103
San Antonio, TX 78240-3993
Phone: (102) 533-8882
Fax: (210) 297-6792

Enumerated: 2020-07-22
Last updated: 2022-09-06
Certified: 2022-09-06

Frequently asked questions

What is John Phelps's NPI number?: John Phelps's National Provider Identifier (NPI) is 1598374837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is John Phelps's specialty?: John Phelps is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
Where is John Phelps located?: John Phelps's practice location on file with NPPES is 3901 Capital Mall Dr Sw Ste D, Olympia, WA 98502-8654.
What is John Phelps's phone number?: The practice phone number listed in the NPPES registry for John Phelps is (360) 709-6221.
Does John Phelps accept Medicare?: John Phelps is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is John Phelps's NPI active?: Yes — John Phelps's NPI (1598374837) is active in the NPPES registry as of the last update on 2022-09-06.

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