Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1194845271 Individual Practitioner Male Practitioner

Dr. Mark M Cohen , MD

Ophthalmology • Castro Valley, CA

Professional Overview & Biography Verified Profile Summary

Dr. Mark Cohen, MD is a registered healthcare professional specializing in Ophthalmology in Castro Valley, CA. Practice services are available at 20046 LAKE CHABOT RD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

20046 Lake Chabot Rd

Castro Valley, CA 945465304

Telephone 5108818823
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Castro Valley, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 30.0 Yrs
State Avg: 29.5 Yrs
Regional Practice Density
7 Specialists

Practicing in Castro Valley, CA (3116 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

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA C027491

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

5 Associated Practitioners
NPI 1184832313

Doctor of Medicine (M.D.)

NPI 1366852865

Doctor of Medicine (M.D.)

Dr. Neha Shah , MD

Ophthalmology

NPI 1376733402

Doctor of Medicine (M.D.)

NPI 1396861522

Doctor of Optometry

Dr. Mark Lurie , MD

Ophthalmology

NPI 1750315123

Doctor of Medicine (M.D.)

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 20046 LAKE CHABOT RD, CASTRO VALLEY, CA 945465304 (Tel: 5108818823)

📍
Updated Business Mailing Address July 08, 2007

Registered at 21 KIPPY CT, MORAGA, CA 945562714 (Tel: 9253763963)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MARK COHEN, M.D.

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

Ophthalmology (License #C027491 in CA)

🟢
Initial NPI Registration & Enumeration March 30, 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: 1194845271
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 30, 2007
Last Update: July 08, 2007
Sole Proprietor: Yes

Mailing Address

21 Kippy Ct

Moraga, CA 945562714

Phone: 9253763963

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.