Grigorios Kalaitzidis MD
About this NPIWhat this record shows.
NPI 1104575968 is registered to Grigorios Kalaitzidis MD, a Student in an Organized Health Care Education/Training Program practising at Crosstown Primary Care, 801 Massachusetts Ave, 6th Floor in Boston, Massachusetts. Student in an Organized Health Care Education/Training Program is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Grigorios Kalaitzidis MD has been enumerated in the National Provider Identifier (NPI) registry since 2022.
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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.
Order and Referring Only
- I20221121002021NeurologyMA
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 Grigorios Kalaitzidis MD accepts. To confirm in-network status with your specific health plan, contact Grigorios Kalaitzidis MD directly at (617) 414-5951.
Frequently asked
Yes. NPI 1104575968 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Student in an Organized Health Care Education/Training Program 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 (617) 414-5951.
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. Grigorios Kalaitzidis MD is a Type-1 individual NPI.