What is Karen Grzelewski's NPI number?

Karen Grzelewski's National Provider Identifier (NPI) is 1891388237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Karen Grzelewski's specialty?

Karen Grzelewski is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).

Where is Karen Grzelewski located?

Karen Grzelewski's practice location on file with NPPES is 140 Cabrini Blvd Apt 135, New York, NY 10033-3447.

What is Karen Grzelewski's phone number?

The practice phone number listed in the NPPES registry for Karen Grzelewski is (917) 856-1225.

Is Karen Grzelewski's NPI active?

Yes — Karen Grzelewski's NPI (1891388237) is active in the NPPES registry as of the last update on 2021-02-17.

IndividualActive

Karen Grzelewski, L.AC

NPI 1891388237 · Acupuncturist · New York, NY

Karen Grzelewski, L.AC is a Acupuncturist provider in New York, NY (NPI 1891388237).

Provider details

NPI number: 1891388237
Entity type: Individual
Primary specialty: AcupuncturistOther Service Providers
Credential: L.AC
Sex: Female
Sole proprietor: Yes
License: 006824 (NY)

Specialties & taxonomies

AcupuncturistPrimary171100000XLicense 006824 (NY)
Other Service Providers

Profile Score

Established profile(63/100 index)

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

Registry tenure38% of score
5 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.

Practice location

140 Cabrini Blvd Apt 135

New York, NY 10033-3447

Phone: (917) 856-1225

Street-level locationGet directions

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Mailing address