Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1497944946 Individual Practitioner Male Practitioner

Gregory J. Callahan , BOCO

Technician, Other • Baltimore, MD

Professional Overview & Biography Verified Profile Summary

Gregory Callahan, BOCO is a registered healthcare professional specializing in Technician, Other in Baltimore, MD. Practice services are available at 3900 LOCH RAVEN BLVD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

3900 Loch Raven Blvd

Baltimore, MD 212182108

Telephone 4106057000
Fax 4106057677
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Technician, Other in Baltimore, MD

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 10.2 Yrs
Regional Practice Density
32 Specialists

Practicing in Baltimore, MD (83 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

Technician, Other Primary Specialty

NUCC Taxonomy Code: 247200000X

State License MD C21679

A collective term for persons with specialized training in various narrow fields of expertise whose occupations require training and skills in specific technical processes and procedures; and where further classification is deemed unnecessary by the user.

Practice Associates & Co-Workers

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

40 Associated Practitioners
NPI 1003571274

Licensed Master Social Worker

NPI 1003907148

Doctor of Pharmacy (Pharm.D.)

Craig Cook , LCSW-C

Social Worker - Clinical

NPI 1003909516

Licensed Clinical Social Worker - Certified

Rosemary Smith-Lamacchia , NP

Nurse Practitioner - Adult Health

NPI 1003912767

Nurse Practitioner

Sonya Morris , ICSW

Social Worker - Clinical

NPI 1003915943
Deborah Adams , RD, LD

Dietitian, Registered

NPI 1013003821

Registered Dietitian, Licensed Dietitian

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active October 22, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location October 22, 2007

Registered at 3900 LOCH RAVEN BLVD, BALTIMORE, MD 212182108 (Tel: 4106057000)

📍
Updated Business Mailing Address October 22, 2007

Registered at 3900 LOCH RAVEN BLVD, BALTIMORE, MD 212182108 (Tel: 4106057000)

👤
Provider Name / Credentials Updated October 22, 2007

Recorded as GREGORY CALLAHAN, BOCO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 22, 2007

Technician, Other (License #C21679 in MD)

🟢
Initial NPI Registration & Enumeration October 22, 2007

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: 1497944946
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 22, 2007
Last Update: October 22, 2007
Sole Proprietor: No

Mailing Address

3900 Loch Raven Blvd

Baltimore, MD 212182108

Phone: 4106057000

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.