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Deactivated NPI 1619996956 Deactivated / Inactive NPI Male Practitioner

Dr. Stephen B Hameroff , MD

Ophthalmology • Baltimore, MD

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Stephen Hameroff has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 18, 2006
NPI Deactivation Date November 20, 2025
Total Practice Duration ~19 Years of Practice (2006 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Hameroff, MD was a registered Ophthalmology practicing in Baltimore, MD. Throughout an active medical career spanning 19 years, Dr. Hameroff provided care at the practice location at 1838 GREENE TREE RD until profile deactivation on 2025-11-20.

Practice Location & Contact Primary Location

Practice Address

1838 Greene Tree Rd
Suite 225

Baltimore, MD 212086391

Telephone 4106530200
Fax 4106533667
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Baltimore, MD

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 22.6 Yrs
State Avg: 28.5 Yrs
Regional Practice Density
222 Specialists

Practicing in Baltimore, MD (624 Statewide)

Telehealth Adoption Rate
0.5% 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

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License MD D0006246

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Practice Associates & Co-Workers

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

3 Associated Practitioners
NPI 1013948298

Doctor of Optometry

NPI 1356439210

Doctor of Medicine (M.D.)

NPI 1457370793

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events
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NPI Profile Deactivated November 20, 2025

Record deactivated on November 20, 2025

NPI Profile Active January 12, 2011

NPI status registered as active in NPPES database

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Updated Practice Location January 12, 2011

Registered at 1838 GREENE TREE RD, SUITE 225, BALTIMORE, MD 212086391 (Tel: 4106530200)

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Updated Business Mailing Address January 12, 2011

Registered at 100 PARK AVE, BALTIMORE, MD 212013416 (Tel: 4107521677)

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Provider Name / Credentials Updated January 12, 2011

Recorded as STEPHEN HAMEROFF, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) January 12, 2011

Ophthalmology (License #D0006246 in MD)

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Initial NPI Registration & Enumeration July 18, 2006

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: 1619996956
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 18, 2006
Last Update: January 12, 2011
Deactivation Date: November 20, 2025

Mailing Address

100 Park Ave

Baltimore, MD 212013416

Phone: 4107521677

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.