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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.

STEVEN MICHAEL MCMAHON D.C.
NPI 1497794747
Chiropractor - Neurology in New York, NY

Active since June 05, 2006
231 W 21ST ST, LOWER LEVEL, NEW YORK, NY 10011(212) 243-6384(212) 243-6142 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Steven Michael Mcmahon D.c. NPPES

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

STEVEN MICHAEL MCMAHON D.C. (NPI 1497794747) is an individual neurology provider in New York, New York, licensed in New York (X007469) and active in the NPI registry since June 2006. He is a graduate of Other (1993).

NPPES Registry Identity

NPI1497794747
Entity TypeIndividualMale
Primary Taxonomy111NN0400X
Provider Legal NameSTEVEN MICHAEL MCMAHONCredential: D.C.
Location Address231 W 21ST ST, LOWER LEVELNew York, NY 10011-3116
Mailing Address231 W 21st St, Lower LevelNew York, NY 10011-3116 · (212) 243-6384 · Fax (212) 243-6142
Phone(212) 243-6384
Fax(212) 243-6142
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJune 5, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1497794747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractor · NeurologyChiropractic Providers
Taxonomy Code111NN0400X
License✔ Licensed in NY · X007469
Definition
Chiropractic Neurology is defined as the field of functional neurology that engages the internal - and external environment of the individual in a structured and targeted approach to affect positive changes in the nervous system and consequently the physiology and behavior of an individual. Chiropractic Neurologists are board-certified specialists in non-drug, non-surgical care for those with neurologically based health problems. There are many conditions people suffer from that are in this broad category: learning and attention disorders, headaches, vertigo, pain syndromes, developmental disorders, nerve injury, spinal cord injury, head injury or stroke, movement disorders, and many other conditions.
231 W 21ST ST, New York, NY 10011
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Steven Michael Mcmahon D.c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5092729111
PECOS Enrollment IDI20060201000153

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
248 services33 patients
Chiropractic manipulative treatment, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
104 services19 patients

Other Providers at the Same Location NPPES 2

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

MS. PANAGOULA KATSOULIS LMT
Massage Therapist
231 W 21ST ST, LOWER LEVEL
NEW YORK, NY 10011
New York County (646) 645-5207
MCMAHON CHIROPRACTIC LLC
Chiropractor (Rehabilitation)
231 W 21ST ST, LOWER LEVEL
NEW YORK, NY 10011
New York County (212) 243-6384

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 Steven Mcmahon's NPI number?

The NPI number for Steven Mcmahon is 1497794747. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Steven Mcmahon located?

Steven Mcmahon practices at 231 W 21st St Lower Level, New York, NY 10011. The listed phone number is (212) 243-6384.

What is Steven Mcmahon's specialty?

The primary specialty registered for this NPI is Chiropractor, specializing in Neurology, with taxonomy code 111NN0400X.

Is Steven Mcmahon enrolled in Medicare?

Yes. Steven Mcmahon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Steven Mcmahon was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.