What is Douglas Dertien's NPI number?

Douglas Dertien's National Provider Identifier (NPI) is 1992685648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Douglas Dertien's specialty?

Douglas Dertien is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).

Where is Douglas Dertien located?

Douglas Dertien's practice location on file with NPPES is 975 E 3rd St, Chattanooga, TN 37403-2173.

What is Douglas Dertien's phone number?

The practice phone number listed in the NPPES registry for Douglas Dertien is (423) 778-8983.

Is Douglas Dertien's NPI active?

Yes — Douglas Dertien's NPI (1992685648) is active in the NPPES registry as of the last update on 2025-09-04.

IndividualActive

Douglas Dertien, PHARMD

NPI 1992685648 · Pharmacist · Chattanooga, TN

Douglas Dertien, PHARMD is a Pharmacist provider in Chattanooga, TN (NPI 1992685648).

Provider details

NPI number: 1992685648
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: PHARMD
Sex: Male
Sole proprietor: No
License: 0000045110 (TN)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 0000045110 (TN)
Pharmacy Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

975 E 3rd St

Chattanooga, TN 37403-2173

Phone: (423) 778-8983

Fax: (423) 778-3167

Street-level locationGet directions

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Mailing address