Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Gregory Howard Corsan, M.D.
Specialist in Edison, NJ · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1669403978
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Registry record
Entity type Individual (Type 1)
Name Gregory Howard Corsan
Credential M.D.
Sex Male
Practice address 4 Ethel Rd, Suite 405a, Edison, NJ, 08817
Phone (732) 339-9300
Fax (732) 339-9400
Enumeration date Jul 5, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3700538 | Medicaid | NJ | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Gregory Corsan?
The National Provider Identifier (NPI) for Gregory Corsan is 1669403978, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gregory Corsan practice?
The practice location on file with NPPES is in Edison, NJ. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Tiberiu Kovacs Cardiovascular Disease Physician · Edison, NJ NPI 1780684506 Robert Panebianco Cardiovascular Disease Physician · Edison, NJ NPI 1134129232 Tiberiu Kovacs, M.D., P.C. Cardiovascular Disease Physician · Edison, NJ NPI 1548260565 Jamie Rackoff Women's Health Nurse Practitioner · Edison, NJ NPI 1437112760 Rahul Sachdev Specialist · Edison, NJ NPI 1841228921 Mahasin Qasim Specialist · Edison, NJ NPI 1871523530 Center for Advanced Reproductive Medicine and Fertility Specialist · Edison, NJ NPI 1720009582 Marion Taylor Internal Medicine Physician · Edison, NJ NPI 1235222787
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.