What is Jacob Pieffer's NPI number?

Jacob Pieffer's National Provider Identifier (NPI) is 1053280057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jacob Pieffer's specialty?

Jacob Pieffer is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Jacob Pieffer located?

Jacob Pieffer's practice location on file with NPPES is 325 King St, Denver, CO 80219-1326.

What is Jacob Pieffer's phone number?

The practice phone number listed in the NPPES registry for Jacob Pieffer is (720) 534-9055.

Is Jacob Pieffer's NPI active?

Yes — Jacob Pieffer's NPI (1053280057) is active in the NPPES registry as of the last update on 2025-10-30.

IndividualActive

Jacob Pieffer, LSW

NPI 1053280057 · Social Worker · Denver, CO

Jacob Pieffer, LSW is a Social Worker provider in Denver, CO (NPI 1053280057).

Provider details

NPI number: 1053280057
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LSW
Sex: Male
Sole proprietor: No
License: 0009926398 (CO)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 0009926398 (CO)
Behavioral Health & Social 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

325 King St

Denver, CO 80219-1326

Phone: (720) 534-9055

Street-level locationGet directions

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Mailing address