What is Les Perkowski's NPI number?

Les Perkowski's National Provider Identifier (NPI) is 1710955604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Les Perkowski's specialty?

Les Perkowski is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is Les Perkowski located?

Les Perkowski's practice location on file with NPPES is 403 E 1st St, Dixon, IL 61021-3116.

What is Les Perkowski's phone number?

The practice phone number listed in the NPPES registry for Les Perkowski is (815) 285-5635.

Is Les Perkowski's NPI active?

Yes — Les Perkowski's NPI (1710955604) is active in the NPPES registry as of the last update on 2007-07-09.

IndividualActive

Les Perkowski, D.O.

NPI 1710955604 · Psychiatry Physician · Dixon, IL

Les Perkowski, D.O. is a Psychiatry Physician provider in Dixon, IL (NPI 1710955604).

Provider details

NPI number: 1710955604
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: D.O.
Sex: Male

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800X
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(84/100 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
83% 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

403 E 1st St

Dixon, IL 61021-3116

Phone: (815) 285-5635

Fax: (815) 285-5851

Street-level locationGet directions

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Mailing address