Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Robert Peter Nelken, M.D.
Pediatrics Physician in Andover, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1710985882
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Registry record
Entity type Individual (Type 1)
Name Dr. Robert Peter Nelken
Credential M.D.
Sex Male
Practice address 140 Haverhill St, Andover, MA, 01810
Phone (978) 475-4522
Fax (978) 475-6531
Enumeration date Jul 12, 2005
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 |
|---|---|---|---|
| 0107662 | Medicaid | MA | - |
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 Robert Nelken?
The National Provider Identifier (NPI) for Robert Nelken is 1710985882, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Nelken practice?
The practice location on file with NPPES is in Andover, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Kathleen Devaney Pediatrics Physician · Andover, MA NPI 1336147214 Gregory Christie Physician Assistant · Andover, MA NPI 1255323135 Essex Orthopaedics Inc. Orthopaedic Surgery Physician · Andover, MA NPI 1750373635 Anthony Turiano Family Medicine Physician · Andover, MA NPI 1821084757 Lgh Health Enterprises Inc. Radiology Clinic/Center · Andover, MA NPI 1730140112 Jane Williams-Vale Family Medicine Physician · Andover, MA NPI 1720049737 Prathima Chaloori Family Medicine Physician · Andover, MA NPI 1760444137 Robert Herron Family Medicine Physician · Andover, MA NPI 1922060631
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.