What is Louis Zelenak's NPI number?

Louis Zelenak's National Provider Identifier (NPI) is 1720853831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Louis Zelenak's specialty?

Louis Zelenak is listed in the NPPES registry with a primary specialty of Adult Companion (Nursing Service Related Providers).

Where is Louis Zelenak located?

Louis Zelenak's practice location on file with NPPES is 38596 Northfield Ave, Livonia, MI 48150-3387.

What is Louis Zelenak's phone number?

The practice phone number listed in the NPPES registry for Louis Zelenak is (734) 542-6042.

Is Louis Zelenak's NPI active?

Yes — Louis Zelenak's NPI (1720853831) is active in the NPPES registry as of the last update on 2025-09-11.

IndividualActive

Louis Zelenak

NPI 1720853831 · Adult Companion · Livonia, MI

Louis Zelenak is a Adult Companion provider in Livonia, MI (NPI 1720853831).

Provider details

NPI number: 1720853831
Entity type: Individual
Primary specialty: Adult CompanionNursing Service Related Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Adult CompanionPrimary372600000X
Nursing Service Related Providers

Profile Score

Established profile(51/100 index)

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

Registry tenure38% of score
2 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

38596 Northfield Ave

Livonia, MI 48150-3387

Phone: (734) 542-6042

Street-level locationGet directions

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Mailing address