Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1902965395 Individual Practitioner Female Practitioner

Dr. Mary Johnston , DC

Chiropractor • Oceanside, NY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mary Johnston, DC is a certified Chiropractor practicing in Oceanside, NY. With approximately 38 years of clinical experience since graduating from New York Chiropractic College in 1988, Dr. Johnston delivers high-quality medical care to the local community at 222 MERRICK RD.

Dr. Johnston accepts Medicare assignment.

Frequently performed procedures and clinical services include chiropractic manipulative treatment, 1-2 spinal regions. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

222 Merrick Rd

Oceanside, NY 115721429

Telephone 5166233195
Fax 5166231077
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

New York Chiropractic College

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Chiropractor in Oceanside, NY

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
38 Yrs +8.7 yrs vs City Avg
City Avg: 29.3 Yrs
State Avg: 28.5 Yrs
Regional Practice Density
11 Specialists

Practicing in Oceanside, NY (4796 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
32.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnston (38 Years) 38 Yrs
Oceanside Specialty Average (29.3 Years) 29.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
98940 Chiropractic manipulative treatment, 1-2 spinal regions
881 64 $45.23 $30.37

Medical Specialties & State Licenses

CMS Verified: 2020-03-06
Chiropractor Primary Specialty

NUCC Taxonomy Code: 111N00000X

State License NY X005570

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location March 06, 2020

Registered at 222 MERRICK RD, OCEANSIDE, NY 115721429 (Tel: 5166233195)

📍
Updated Business Mailing Address March 06, 2020

Registered at 222 MERRICK RD, OCEANSIDE, NY 115721429 (Tel: 5166233195)

NPI Profile Active August 04, 2010

NPI status registered as active in NPPES database

📍
Updated Practice Location August 04, 2010

Registered at 660 MERRICK RD, BALDWIN, NY 115103548 (Tel: 5166233195)

📍
Updated Business Mailing Address August 04, 2010

Registered at 660 MERRICK RD, BALDWIN, NY 115103548 (Tel: 5166233195)

👤
Provider Name / Credentials Updated August 04, 2010

Recorded as MARY JOHNSTON, DC

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 04, 2010

Chiropractor (License #X005570 in NY)

🟢
Initial NPI Registration & Enumeration December 08, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1902965395
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 08, 2006
Last Update: March 06, 2020
Sole Proprietor: Yes

Mailing Address

222 Merrick Rd

Oceanside, NY 115721429

Phone: 5166233195

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.