What is Thomas Guyn's NPI number?

Thomas Guyn's National Provider Identifier (NPI) is 1265596191, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Thomas Guyn's specialty?

Thomas Guyn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Thomas Guyn located?

Thomas Guyn's practice location on file with NPPES is 3536 Mendocino Ave, Santa Rosa, CA 95403-3634.

What is Thomas Guyn's phone number?

The practice phone number listed in the NPPES registry for Thomas Guyn is (707) 546-2180.

Is Thomas Guyn's NPI active?

Yes — Thomas Guyn's NPI (1265596191) is active in the NPPES registry as of the last update on 2014-08-11.

IndividualActive

Thomas Guyn, MD

NPI 1265596191 · Internal Medicine Physician · Santa Rosa, CA

Thomas Guyn, MD is a Internal Medicine Physician provider in Santa Rosa, CA (NPI 1265596191).

Provider details

NPI number: 1265596191
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: A42640 (CA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense A42640 (CA)
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.

Practice location

3536 Mendocino Ave

Ste 300

Santa Rosa, CA 95403-3634

Phone: (707) 546-2180

Fax: (707) 546-2188

Street-level locationGet directions

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Mailing address