Allen Fein M.D.
About this NPIWhat this record shows.
NPI 1881672533 is registered to Allen Fein M.D., a Family Medicine practising at 365 County Road 39a Unit 11 in Southampton, New York. Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment. Allen Fein M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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.
Medicaid
- 01593668NY
Other
- P2130294· Issued by OXFORD HEALTHPLANS
- AK46204ANY· Issued by MDNY
- P374141· Issued by OXFORD
- 38484· Issued by CIGNA
- 54733· Issued by VYTRA HEALTH PLANS
- 711379· Issued by HARVARD PILGRIM HEALTHCAR
- 88573· Issued by VYTRA HEALTH PLANS
Source: NPPES public registry.
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
- I20110216001046Family PracticeNY
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 Allen Fein M.D. accepts. To confirm in-network status with your specific health plan, contact Allen Fein M.D. directly at (631) 283-6446.
Frequently asked
Yes. NPI 1881672533 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment.
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 (631) 283-6446.
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. Allen Fein M.D. is a Type-1 individual NPI.