Neil Markwith M.D.
About this NPIWhat this record shows.
NPI 1982696647 is registered to Neil Markwith M.D., a Internal Medicine practising at 445 Cypress St, Suite 6 in Manchester, New Hampshire. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Neil Markwith 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
- 4964320012NH· Issued by CIGNA-NH
- B86130NH· Issued by HARVARD
- 14840608NH· Issued by CHAMPUS
- 020505817 0001NH· Issued by CIGNA
- 0004200383NH· Issued by AETNA
Medicaid
- 40209527NH
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.
Order and Referring Only
- I20160429000871Internal MedicineNH
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 Neil Markwith M.D. accepts. To confirm in-network status with your specific health plan, contact Neil Markwith M.D. directly at (603) 669-9450.
Frequently asked
Yes. NPI 1982696647 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (603) 669-9450.
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. Neil Markwith M.D. is a Type-1 individual NPI.