Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1053315317 Individual Practitioner Male Practitioner

Dr. John Edward Longley , DDS

Dentist - General Practice • Timonium, MD

Professional Overview & Biography Verified Profile Summary

Dr. John Longley, DDS is a registered healthcare professional specializing in Dentist - General Practice in Timonium, MD. Practice services are available at 20 E TIMONIUM RD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

20 E Timonium Rd
Ste 210

Timonium, MD 210933456

Telephone 4103084880
Fax 4103084883
Associated Practice Facility / Clinic
🏢 Drs. Ballingers & Knopf Facility NPI 1124140710

Specialty Benchmarks & Practice Insights

Comparative analytics for Dentist - General Practice in Timonium, MD

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 14.2 Yrs
Regional Practice Density
27 Specialists

Practicing in Timonium, MD (2555 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Dentist - General Practice Primary Specialty

NUCC Taxonomy Code: 1223G0001X

State License MD 13371

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Dr. Joseph Fisher , DDS

Dentist - General Practice

NPI 1508116211

Doctor of Dental Surgery

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 20 E TIMONIUM RD, STE 210, TIMONIUM, MD 210933456 (Tel: 4103084880)

📍
Updated Business Mailing Address July 08, 2007

Registered at 118 BOSLEY AVE, COCKEYSVILLE HUNT VALLEY, MD 210302334 (Tel: 4106661213)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN LONGLEY, D.D.S.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Dentist (License #13371 in MD)

🟢
Initial NPI Registration & Enumeration June 01, 2005

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: 1053315317
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 01, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

118 Bosley Ave

Cockeysville Hunt Valley, MD 210302334

Phone: 4106661213

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.