What is Kelly Martinczak's NPI number?

Kelly Martinczak's National Provider Identifier (NPI) is 1801149729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Kelly Martinczak's specialty?

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

Where is Kelly Martinczak located?

Kelly Martinczak's practice location on file with NPPES is 311 E Main St, Niles, MI 49120-2305.

What is Kelly Martinczak's phone number?

The practice phone number listed in the NPPES registry for Kelly Martinczak is (269) 687-5050.

Does Kelly Martinczak accept Medicare?

Kelly Martinczak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Kelly Martinczak's NPI active?

Yes — Kelly Martinczak's NPI (1801149729) is active in the NPPES registry as of the last update on 2012-10-16.

IndividualActiveAccepts Medicare

Kelly Martinczak, LLSW, LSW

NPI 1801149729 · Social Worker · Niles, MI

Kelly Martinczak, LLSW, LSW is a Social Worker provider in Niles, MI (NPI 1801149729).

Provider details

NPI number: 1801149729
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LLSW, LSW
Sex: Female
Sole proprietor: No
License: 6801094978 (MI)

Practice location

311 E Main St

Niles, MI 49120-2305

Phone: (269) 687-5050

Fax: (269) 687-5899

Street-level locationGet directions

More MI providers

Mailing address

311 E Main St

Niles, MI 49120-2305

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 6801094978 (MI)
Behavioral Health & Social Service Providers

Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(79/100 index)

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

Registry tenure38% of score
14 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.

Enumerated: 2012-10-16
Last updated: 2012-10-16

Frequently asked questions

What is Kelly Martinczak's NPI number?: Kelly Martinczak's National Provider Identifier (NPI) is 1801149729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Kelly Martinczak's specialty?: Kelly Martinczak is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
Where is Kelly Martinczak located?: Kelly Martinczak's practice location on file with NPPES is 311 E Main St, Niles, MI 49120-2305.
What is Kelly Martinczak's phone number?: The practice phone number listed in the NPPES registry for Kelly Martinczak is (269) 687-5050.
Does Kelly Martinczak accept Medicare?: Kelly Martinczak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Kelly Martinczak's NPI active?: Yes — Kelly Martinczak's NPI (1801149729) is active in the NPPES registry as of the last update on 2012-10-16.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions