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Active NPI 1578582466 Individual Practitioner Male Practitioner

Dr. Marc Dinowitz , MD

Ophthalmology • Riverhead, NY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Marc Dinowitz, MD is a certified Ophthalmology practicing in Riverhead, NY. With approximately 30 years of clinical experience since graduating from State University Of New York At Stony Brook, School Of Medicine in 1996, Dr. Dinowitz delivers high-quality medical care to the local community at 937 E MAIN ST.

Dr. Dinowitz is affiliated with North Shore-Lij Medical Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient complete exam of visual system, imaging of retina, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

937 E Main St
C/o East End Eye A Division Of Prohealth Care Associate

Riverhead, NY 119012564

Telephone 6313690777
Fax 6313690976
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

State University Of New York At Stony Brook, School Of Medicine

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Riverhead, NY

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
30 Yrs +3.3 yrs vs City Avg
City Avg: 26.7 Yrs
State Avg: 32.5 Yrs
Regional Practice Density
8 Specialists

Practicing in Riverhead, NY (1980 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
80.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Dinowitz (30 Years) 30 Yrs
Riverhead Specialty Average (26.7 Years) 26.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
92014 Established patient complete exam of visual system
1,778 1,427 $678.98 $144.76
92134 Imaging of retina
608 571 $238.86 $46.46
99213 Established patient office or other outpatient visit, typically 15 minutes
584 432 $494.00 $105.30
92004 New patient complete exam of visual system
343 343 $647.00 $171.31
92136 Measurement of corneal curvature and depth of eye
312 189 $324.22 $44.40
66984 Removal of cataract with insertion of lens
291 176 $3373.00 $624.04
92133 Imaging of optic nerve
159 152 $239.00 $40.17
66821 Removal of recurring cataract in lens capsule using a laser
154 113 $1456.00 $381.95
92250 Photography of the retina
141 139 $402.00 $43.02
92083 Exam of visual field with extended testing
101 100 $407.00 $74.16
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
70 65 $689.00 $145.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
45 45 $622.00 $127.94
76514 Ultrasound scan of cornea to determine thickness
36 36 $66.00 $12.82
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
30 28 $979.00 $208.89
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
16 16 $1212.00 $255.99
92201 Extended exam of the back part of the eye with retinal drawing
16 13 $133.00 $28.27
66982 Complex removal of cataract with insertion of prosthetic lens
15 11 $4716.00 $858.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
12 12 $917.00 $195.22

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License NY 207586

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
02138907 (NY)
Commercial Insurance / Payer ID Empire Bc.bs
372B61 (NY)

Hospital & Practice Group Affiliations

North Shore-Lij Medical Pc

75 N Country Rd, Port Jefferson, NY 117772119

Phone: 6314731320

Practice Associates & Co-Workers

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

8 Associated Practitioners
NPI 1225070378

Doctor of Medicine (M.D.)

NPI 1336187889

Doctor of Optometry

NPI 1467494583

Doctor of Optometry

NPI 1548208473

Doctor of Medicine (M.D.)

NPI 1588606602

Doctor of Medicine (M.D.)

NPI 1669517918

Doctor of Optometry

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active December 14, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location December 14, 2016

Registered at 937 E MAIN ST, C/O EAST END EYE A DIVISION OF PROHEALTH CARE ASSOCIATE, RIVERHEAD, NY 119012564 (Tel: 6313690777)

📍
Updated Business Mailing Address December 14, 2016

Registered at 937 E MAIN ST, C/O EAST END EYE A DIVISION OF PROHEALTH CARE ASSOCIATE, RIVERHEAD, NY 119012564 (Tel: 6313690777)

👤
Provider Name / Credentials Updated December 14, 2016

Recorded as MARC DINOWITZ, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 14, 2016

Ophthalmology (License #207586 in NY)

🟢
Initial NPI Registration & Enumeration July 19, 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: 1578582466
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 19, 2006
Last Update: December 14, 2016
Sole Proprietor: No

Mailing Address

937 E Main St, C/o East End Eye A Division Of Prohealth Care Associate

Riverhead, NY 119012564

Phone: 6313690777

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.