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Active NPI 1396398673 Individual Practitioner Male Practitioner

Dr. Jeffrey Powers Langdon , DMD

Dentist • Longview, WA

Professional Overview & Biography Verified Profile Summary

Dr. Jeffrey Langdon, DMD is a registered healthcare professional specializing in Dentist in Longview, WA. Practice services are available at 1105 14TH AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1105 14th Ave

Longview, WA 986323016

Telephone 3602072501
Associated Practice Facility / Clinic
🏢 Mark D Teigen Dds Ps Facility NPI 1740560911

Specialty Benchmarks & Practice Insights

Comparative analytics for Dentist in Longview, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 16.1 Yrs
Regional Practice Density
16 Specialists

Practicing in Longview, WA (2853 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

CMS Verified: 2026-02-12
Dentist Primary Specialty

NUCC Taxonomy Code: 122300000X

State License WA DE61215194

A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist.

Dentist

NUCC Taxonomy Code: 122300000X

State License OR D11264

A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist.

Dentist

NUCC Taxonomy Code: 122300000X

State License SC 9454

A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist.

Dentist - General Practice

NUCC Taxonomy Code: 1223G0001X

State License OR D11264

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.

Secondary Practice Locations

1123 Ashley River Rd

Charleston, SC 294077101

Phone: 8434106266

303 E A St

Rainier, OR 970483132

Phone: 9712516154

5711 Rivers Ave

North Charleston, SC 294066028

Phone: 8435930403

Practice Associates & Co-Workers

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

2 Associated Practitioners
Lindsey Ahearn , RDH

Dental Hygienist

NPI 1215768536

Registered Dental Hygienist

Tiffany Seher , RDH

Dental Hygienist

NPI 1245814045

Registered Dental Hygienist

Career & Practice History Timeline

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

10 Historical Events
📍
Updated Practice Location February 12, 2026

Registered at 1105 14TH AVE, LONGVIEW, WA 986323016 (Tel: 3602072501)

📍
Updated Practice Location August 13, 2021

Registered at 303 E A ST, RAINIER, OR 970483132 (Tel: 9712516154)

📍
Updated Business Mailing Address August 13, 2021

Registered at 3218 AMMONS DR, LONGVIEW, WA 986325371 (Tel: 6507760840)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 13, 2021

Dentist (License #D11264 in OR)

NPI Profile Active July 16, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location July 16, 2019

Registered at 1123 ASHLEY RIVER RD, CHARLESTON, SC 294077101 (Tel: 8434106266)

📍
Updated Business Mailing Address July 16, 2019

Registered at 1423 ASHLEY RIVER RD APT 2D, CHARLESTON, SC 294075369 (Tel: 6507760840)

👤
Provider Name / Credentials Updated July 16, 2019

Recorded as JEFFREY LANGDON, DMD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 16, 2019

Dentist (License #9454 in SC)

🟢
Initial NPI Registration & Enumeration July 16, 2019

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: 1396398673
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 16, 2019
Last Update: February 12, 2026
Sole Proprietor: No

Mailing Address

3218 Ammons Dr

Longview, WA 986325371

Phone: 6507760840

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.