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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MAXWELL OYER DO
NPI 1841828241
Psychiatry & Neurology - Neurology in New York, NY

Active since March 31, 2020
550 1ST AVE, NEW YORK, NY 10016(212) 263-5506 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 19, 2026, Apr 8, 2021, Mar 31, 2020 (3 updates tracked since 2020).

About Maxwell Oyer Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MAXWELL OYER DO (NPI 1841828241) is an individual neurology provider in New York, New York, licensed in New York (346696) and active in the NPI registry since March 2020. He maintains a secondary practice location in Biddeford.

NPPES Registry Identity

NPI1841828241
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameMAXWELL OYERCredential: DO
Location Address550 1ST AVENew York, NY 10016-6402
Mailing Address8195 Copperfield DrColumbus, OH 43235-1101 · (614) 725-8160
Phone(212) 263-5506
Sole ProprietorYes
Enumeration DateMarch 31, 2020
Last NPPES UpdateAugust 19, 20263 updates tracked since enumeration
NPPES CertifiedAugust 19, 2026
✔ NPI 1841828241 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in NY · 346696
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
550 1ST AVE, New York, NY 10016
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Secondary Practice Location 1

Location 111 Hills Beach RdBiddeford, ME 04005-9526 · Phone (207) 283-0171

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SHARON URALIL D.O.
Internal Medicine
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-3293
DR. DIANA TREVAS FLEISHER
Emergency Medicine (Pediatric Emergency Medicine)
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-3293
DR. MONICA GUPTA M.D.
Allergy & Immunology
550 1ST AVE, NBV 16N30, INTERNAL MEDICINE RESIDENCY PROGRAM
NEW YORK, NY 10016
New York County (212) 263-6397
CHRISTINE CHAN M.D.
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506
DR. MATTHEW CHIARELLO MD
Radiology (Vascular & Interventional Radiology)
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506
DR. MEGAN ELIZABETH JENKINS M.D.
Surgery
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-7300
DR. MANAN PATEL M.D.
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506
VICKY CHIANG
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maxwell Oyer's NPI number?

The NPI number for Maxwell Oyer is 1841828241. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Maxwell Oyer located?

Maxwell Oyer practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-5506.

What is Maxwell Oyer's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

When was this NPI record last updated?

The NPPES record for Maxwell Oyer was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.