Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Andrew Younghein, MD

Orthopaedic Surgery Physician in Stoneham, MA · enumerated 2014.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1700204492

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Registry record

Entity type Individual (Type 1)

Name John Andrew Younghein

Credential MD

Sex Male

Practice address 92 Montvale Ave Ste 1400, Stoneham, MA, 02180

Phone (781) 279-7040

Fax (781) 279-8430

Enumeration date Mar 31, 2014

Last updated in NPPES May 21, 2025

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License MD16741 (RI) Secondary

207XS0117X Orthopaedic Surgery of the Spine Physician Allopathic & Osteopathic Physicians · License 284064 (MA) Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 284064 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

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Frequently asked questions

What is the NPI number for John Younghein?

The National Provider Identifier (NPI) for John Younghein is 1700204492, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Younghein practice?

The practice location on file with NPPES is in Stoneham, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Sara Putnam Podiatrist · Stoneham, MA NPI 1477014546 Andrew Pellechia Physician Assistant · Stoneham, MA NPI 1265092423 Kristina Derosier Physical Therapist · Stoneham, MA NPI 1770197998 Anna Mei Family Nurse Practitioner · Stoneham, MA NPI 1407570070 Lauren Duran Physical Therapy Assistant · Stoneham, MA NPI 1316658081 Colleen Donovan Physical Therapy Assistant · Stoneham, MA NPI 1609588136 Steven Smith Physical Therapy Assistant · Stoneham, MA NPI 1689386120 Sarah Early Physical Therapy Assistant · Stoneham, MA NPI 1356053888

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-21.