Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1225035207 Individual Practitioner Male Practitioner

Dr. Mark W Hamm , DMD

Dentist - General Practice • Roseburg, OR

Professional Overview & Biography Verified Profile Summary

Dr. Mark Hamm, DMD is a registered healthcare professional specializing in Dentist - General Practice in Roseburg, OR. Practice services are available at 1313 W HARVARD AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1313 W Harvard Ave

Roseburg, OR 974702838

Telephone 5416733355
Fax 5416731533
Associated Practice Facility / Clinic
🏢 Hamm Dentistry, Llc Facility NPI 1013512896

Specialty Benchmarks & Practice Insights

Comparative analytics for Dentist - General Practice in Roseburg, OR

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 13.7 Yrs
Regional Practice Density
38 Specialists

Practicing in Roseburg, OR (1994 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 OR 5836

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

2 Associated Practitioners
Dr. Nathan Hamm , DMD

Dentist - General Practice

NPI 1801445507

Doctor of Dental Medicine

Karri Zimmerman , RDH

Dental Hygienist

NPI 1881219087

Registered Dental Hygienist

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 1313 W HARVARD AVE, ROSEBURG, OR 974702838 (Tel: 5416733355)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1381 SE MAGNOLIA DR, ROSEBURG, OR 974704373 (Tel: 5416734442)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MARK HAMM, DMD

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

Dentist (License #5836 in OR)

🟢
Initial NPI Registration & Enumeration July 05, 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: 1225035207
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 05, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

1381 Se Magnolia Dr

Roseburg, OR 974704373

Phone: 5416734442

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.