What is Gregory Hagen's NPI number?

Gregory Hagen's National Provider Identifier (NPI) is 1770665663, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregory Hagen's specialty?

Gregory Hagen is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).

Where is Gregory Hagen located?

Gregory Hagen's practice location on file with NPPES is 2200 Range Ave Ste 100, Santa Rosa, CA 95403-9472.

What is Gregory Hagen's phone number?

The practice phone number listed in the NPPES registry for Gregory Hagen is (707) 544-2750.

Is Gregory Hagen's NPI active?

Yes — Gregory Hagen's NPI (1770665663) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Gregory Hagen, D.C.

NPI 1770665663 · Chiropractor · Santa Rosa, CA

Gregory Hagen, D.C. is a Chiropractor provider in Santa Rosa, CA (NPI 1770665663).

Provider details

NPI number: 1770665663
Entity type: Individual
Primary specialty: ChiropractorChiropractic Providers
Credential: D.C.
Sex: Male
Sole proprietor: Yes
License: DC13325 (CA)

Specialties & taxonomies

ChiropractorPrimary111N00000XLicense DC13325 (CA)
Chiropractic Providers

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

2200 Range Ave Ste 100

Santa Rosa, CA 95403-9472

Phone: (707) 544-2750

Street-level locationGet directions

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Mailing address