Ms. Mai Lynn Grajewski LCSW
About this NPIWhat this record shows.
NPI 1336477645 is registered to Ms. Mai Lynn Grajewski LCSW, a Clinical Social Worker practising at 1640 W Roosevelt Rd in Chicago, Illinois. Clinical Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Ms. Mai Lynn Grajewski LCSW has been enumerated in the National Provider Identifier (NPI) registry since 2009.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20200410000101Clinical Social WorkerIL
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Ms. Mai Lynn Grajewski LCSW accepts. To confirm in-network status with your specific health plan, contact Ms. Mai Lynn Grajewski LCSW directly at (312) 413-1871.
Frequently asked
Yes. NPI 1336477645 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (312) 413-1871.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Ms. Mai Lynn Grajewski LCSW is a Type-1 individual NPI.