What is Holmes Troutman's NPI number?

Holmes Troutman's National Provider Identifier (NPI) is 1316935778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Holmes Troutman's specialty?

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

Where is Holmes Troutman located?

Holmes Troutman's practice location on file with NPPES is 700 Lilly Rd Ne, Olympia, WA 98506-5115.

What is Holmes Troutman's phone number?

The practice phone number listed in the NPPES registry for Holmes Troutman is (360) 923-7000.

Does Holmes Troutman accept Medicare?

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

Is Holmes Troutman's NPI active?

Yes — Holmes Troutman's NPI (1316935778) is active in the NPPES registry as of the last update on 2021-05-18.

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Holmes Troutman, MD

NPI 1316935778 · Surgery Physician · Olympia, WA

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

Holmes Troutman, MD is a Surgery Physician provider in Olympia, WA (NPI 1316935778).

Provider details

NPI number: 1316935778
Entity type: Individual
Primary specialty: Surgery PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: ME77559 (FL)

Specialties & taxonomies

Surgery PhysicianPrimary208600000XLicense MD00028093 (WA)
Allopathic & Osteopathic Physicians
Surgery Physician208600000XLicense ME77559 (FL)
Allopathic & Osteopathic Physicians
Vascular Surgery Physician2086S0129XLicense G71589 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(100/100 index)

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

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% 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

700 Lilly Rd Ne

Olympia, WA 98506-5115

Phone: (360) 923-7000

Fax: (360) 923-7089

Street-level locationGet directions

More WA providers

Mailing address

700 Lilly Rd Ne

Olympia, WA 98506-5115

Additional practice locations (2)

71780 San Jacinto Dr Bldg I
Rancho Mirage, CA 92270-5516
Phone: (760) 568-3461
Fax: (760) 423-6273
1615 Delaware St
Longview, WA 98632-2367
Phone: (360) 501-3500
Fax: (360) 501-3555

Enumerated: 2005-10-11
Last updated: 2021-05-18
Certified: 2021-05-18

Frequently asked questions

What is Holmes Troutman's NPI number?: Holmes Troutman's National Provider Identifier (NPI) is 1316935778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Holmes Troutman's specialty?: Holmes Troutman is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
Where is Holmes Troutman located?: Holmes Troutman's practice location on file with NPPES is 700 Lilly Rd Ne, Olympia, WA 98506-5115.
What is Holmes Troutman's phone number?: The practice phone number listed in the NPPES registry for Holmes Troutman is (360) 923-7000.
Does Holmes Troutman accept Medicare?: Holmes Troutman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Holmes Troutman's NPI active?: Yes — Holmes Troutman's NPI (1316935778) 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.