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Active NPI 1386633154 Individual Practitioner Male Practitioner

Dr. Ronald Henry Geiger , MD

Orthopaedic Surgery • Cambridge, MA

Professional Overview & Biography Verified Profile Summary

Dr. Ronald Geiger, MD is a registered healthcare professional specializing in Orthopaedic Surgery in Cambridge, MA. Practice services are available at 300 MOUNT AUBURN ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

300 Mount Auburn St
Ste 505

Cambridge, MA 021385600

Telephone 6174916766
Fax 6174912552
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Cambridge, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 26.8 Yrs
State Avg: 28.0 Yrs
Regional Practice Density
14 Specialists

Practicing in Cambridge, MA (746 Statewide)

Telehealth Adoption Rate
7.1% 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

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License MA 30091

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
2070367 (MA)

Practice Associates & Co-Workers

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

11 Associated Practitioners
Dr. James Karlson , MD

Orthopaedic Surgery - Sports Medicine

NPI 1114915261

Doctor of Medicine (M.D.)

Dr. Robert Miegel , MD

Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery

NPI 1255320966

Doctor of Medicine (M.D.)

Dr. Robert Foster , MD

Orthopaedic Surgery

NPI 1336138114

Doctor of Medicine (M.D.)

Dr. Josef Simon , MD

Orthopaedic Surgery - Orthopaedic Surgery of the Spine

NPI 1366638710

Doctor of Medicine (M.D.)

Dr. Thomas Burke , MD

Orthopaedic Surgery - Sports Medicine

NPI 1427047224

Doctor of Medicine (M.D.)

Dr. Michael Mason , DO

Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery

NPI 1477581437

Doctor of Osteopathic Medicine (D.O.)

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 300 MOUNT AUBURN ST, STE 505, CAMBRIDGE, MA 021385600 (Tel: 6174916766)

📍
Updated Business Mailing Address July 08, 2007

Registered at 300 MOUNT AUBURN ST, STE 505, CAMBRIDGE, MA 021385600 (Tel: 6174916766)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as RONALD GEIGER, MD

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

Orthopaedic Surgery (License #30091 in MA)

🟢
Initial NPI Registration & Enumeration October 14, 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: 1386633154
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 14, 2005
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

300 Mount Auburn St, Ste 505

Cambridge, MA 021385600

Phone: 6174916766

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.