Dr. Marc Sadowsky M.D.
About this NPIWhat this record shows.
NPI 1558358689 is registered to Dr. Marc Sadowsky M.D., a Psychiatry practising at 354 Merrimack St in Lawrence, Massachusetts. Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia. Dr. Marc Sadowsky M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 0106679Y0NH01NH· Issued by ANTHEM
- J12074MA· Issued by BCBS
- 079478000MA· Issued by MAGELLAN FOR BCBSMA
- 101854MA· Issued by MAGELLAN BEHAVIORAL HEALT
- 1169401MA· Issued by FIRST HEALTH
- 99620MA· Issued by CIGNA BEHAVIORAL HEALTH
- 015769MA· Issued by VALUEOPTIONS FOR OPTIONS
- 15-90547MA· Issued by UNITED BEHAVIORAL HEALTH
- 4274226MA· Issued by MAGELLAN FOR AETNA MBRS
- 68499MA· Issued by VALUE BEHAVIORAL HEALTH
- S017593MA· Issued by CHAMPUS
- 000834MA· Issued by VALUEOPTIONS FOR HPHC
- 075226MA· Issued by THP
Medicaid
- 30003553NH
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 Medicare enrollments 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
- I20050418000656PsychiatryMA
- I20051026001027PsychiatryNH
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 Dr. Marc Sadowsky M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Marc Sadowsky M.D. directly at (978) 687-2321.
Frequently asked
Yes. NPI 1558358689 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia.
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 (978) 687-2321.
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. Dr. Marc Sadowsky M.D. is a Type-1 individual NPI.