Dr. Robert Thomas Clark , MD
Ophthalmology • Brighton, MI
7575 Grand River Rd, Ste 111
Brighton, MI 481149390
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on June 9, 2005; this date does not establish years in practice.
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Published CMS data list 2,289 Original Medicare Part B services in 2023.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023. Published rows only; this is not a quality measure.
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Published Part B service records, 2023:
- 92014 — Established patient complete exam of visual system: 471 service units.
- 92012 — Established patient problem focused exam of visual system: 337 service units.
- 92134 — Imaging of retina: 184 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2022 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2023). CPT notice
See all 20 records in the table · Guide: How to read Medicare Part B data
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Published CMS data list 258 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Latanoprost — 98 prescription fills, including refills.
- Timolol Maleate — 24 prescription fills, including refills.
- Lumigan (Bimatoprost) — 23 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 10 records in the table · Guide: How to read Medicare Part D prescriber data
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Fewer Part D prescriptions than 75% of clinicians listed under Ophthalmology in Michigan (2024, 554 clinicians with data). Median for this group: 1,008. Middle half: 346 to 1,869.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 4,206 in 2019 to 2,289 in 2023.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2019–2023.
Practice Location & Contact Primary Location
7575 Grand River Rd
Ste 111
Brighton, MI 481149390
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Ophthalmology: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $246,441 in 2023
The total amount Medicare approved for these services in 2023. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023.
Paid by Medicare
About $177,410 in 2023
The part of the Medicare-allowed amount that Medicare itself paid in 2023, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023.
30-day fills
549 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$46,940 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $278.03 across 5 records.
By nature of payment
- Food and Beverage: $278.03 across 5 records.
Reporting-company totals (3 largest of 5)
- Glaukos Corporation: $123.34 across 1 record.
- LENSAR, Inc.: $62.75 across 1 record.
- Alcon Vision LLC: $39.25 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
NPI first issued
2005
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Brighton and Michigan
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
Fewer Part D prescriptions than 75% of clinicians listed under Ophthalmology in Michigan (2024, 554 clinicians with data). Median for this group: 1,008. Middle half: 346 to 1,869.
Too few clinicians listed under Ophthalmology in Brighton have Medicare Part D data for 2024 to compare.
Part D drug cost
Close to the middle for clinicians listed under Ophthalmology in Michigan (2024, 554 clinicians with data). Median for this group: $69,975. Middle half: $14,648 to $171,442.
Too few clinicians listed under Ophthalmology in Brighton have Medicare Part D data for 2024 to compare.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Dr. Clark are from 2023.
9 active clinicians are listed under Ophthalmology with a practice address in Brighton, MI (791 in Michigan).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 46% from 4,206 in 2019 to 2,289 in 2023.
- 2019: 4,206
- 2020: 2,890
- 2021: 3,115
- 2022: 2,619
- 2023: 2,289
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Medicare-allowed amount
Medicare-allowed amount decreased 52% from $512,845 in 2019 to $246,441 in 2023.
- 2019: $512,845
- 2020: $344,390
- 2021: $374,570
- 2022: $280,704
- 2023: $246,441
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Paid by Medicare
Paid by Medicare decreased 52% from $370,938 in 2019 to $177,410 in 2023.
- 2019: $370,938
- 2020: $251,071
- 2021: $272,503
- 2022: $199,704
- 2023: $177,410
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Medicare Part D prescriptions
Medicare Part D prescriptions decreased 79% from 1,257 in 2020 to 258 in 2024.
- 2020: 1,257
- 2021: 974
- 2022: 728
- 2023: 804
- 2024: 258
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30-day fills
30-day fills decreased 77% from 2,377 in 2020 to 549 in 2024.
- 2020: 2,377
- 2021: 1,835
- 2022: 1,367
- 2023: 1,430
- 2024: 549
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Part D drug cost
Part D drug cost decreased 85% from $318,054 in 2020 to $46,940 in 2024.
- 2020: $318,054
- 2021: $249,334
- 2022: $191,894
- 2023: $143,124
- 2024: $46,940
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $631.41 in 2021 to $278.03 in 2025.
- 2021: $631.41
- 2022: $630.35
- 2023: $2,104.36
- 2024: $29.09
- 2025: $278.03
Sources: CMS Medicare Physician & Other Practitioners (2023), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): fewer than 11 records totaling $278.03.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Glaukos Corporation |
Food and Beverage
Cash or cash equivalent
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iDoseTR | General | $123.34 |
| LENSAR, Inc. |
Food and Beverage
Cash or cash equivalent
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LENSAR LASER SYSTEM | General | $62.75 |
| Alcon Vision LLC |
Food and Beverage
In-kind items and services
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HYDRUS Microstent | General | $39.25 |
| Apellis Pharmaceuticals, Inc. |
Food and Beverage
In-kind items and services
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— | General | $34.95 |
| LKC Technologies, Inc. |
Food and Beverage
In-kind items and services
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— | General | $17.74 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2022 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2023; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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92014
Established patient complete exam of visual system
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471 | 467 | $175.00 | $120.51 |
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92012
Established patient problem focused exam of visual system
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337 | 191 | $125.00 | $85.49 |
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92134
Imaging of retina
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184 | 159 | $150.00 | $37.98 |
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92202
Extended exam of the back part of the eye with optic nerve drawing
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182 | 161 | $75.00 | $15.07 |
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68761
Closure of tear duct opening using plug
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181 | 67 | $375.00 | $101.20 |
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92083
Exam of visual field with extended testing
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134 | 126 | $130.00 | $58.71 |
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92133
Imaging of optic nerve
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115 | 107 | $150.00 | $32.52 |
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67031
Release of scar tissue between lens and retina using a laser
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93 | 39 | $975.00 | $371.27 |
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92250
Photography of the retina
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91 | 91 | $205.00 | $35.57 |
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92201
Extended exam of the back part of the eye with retinal drawing
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82 | 65 | $75.00 | $23.90 |
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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
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82 | 72 | $135.00 | $123.81 |
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95930
Measurement of nerve conduction using visual stimulation testing with report
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79 | 79 | $250.00 | $62.40 |
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66821
Removal of recurring cataract in lens capsule using a laser
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58 | 43 | $1125.00 | $312.24 |
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92004
New patient complete exam of visual system
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56 | 56 | $205.00 | $143.06 |
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65855
Laser repair to improve eye fluid flow
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43 | 27 | $2000.00 | $234.98 |
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92274
Measurement of retinal and optic nerve function targeting multiple separate locations
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30 | 30 | $285.00 | $83.95 |
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65778
Placement of amniotic membrane on eye surface for wound healing
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21 | 12 | $2500.00 | $1193.35 |
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92136
Measurement of corneal curvature and depth of eye
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21 | 20 | $146.43 | $16.48 |
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92060
Exam to measure eye deviation and range of motion
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18 | 15 | $95.00 | $60.36 |
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67800
Removal of chronic growth of eyelid
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11 | 11 | $267.00 | $106.55 |
Source: CMS Part B by Provider and Service, 2023; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Latanoprost | Latanoprost | 98 | 6,451 | $1,917.28 | 30 |
| Timolol Maleate | Timolol Maleate | 24 | 1,421 | $299.75 | 11 |
| Lumigan | Bimatoprost | 23 | 1,295 | $10,955.61 | — |
| Simbrinza | Brinzolamide/Brimonidine Tart | 23 | 1,580 | $7,557.80 | — |
| Cyclosporine | Cyclosporine | 21 | 1,530 | $17,450.75 | — |
| Dorzolamide Hcl | Dorzolamide Hcl | 18 | 938 | $285.60 | — |
| Travoprost | Travoprost | 17 | 935 | $3,075.50 | — |
| Dorzolamide-Timolol | Dorzolamide Hcl/Timolol Maleat | 12 | 650 | $218.31 | — |
| Brimonidine Tartrate | Brimonidine Tartrate | 11 | 731 | $1,892.03 | — |
| Brimonidine Tartrate-Timolol | Brimonidine Tartrate/Timolol | 11 | 699 | $3,287.22 | — |
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 207W00000X
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.
NUCC Taxonomy Code: 152W00000X
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
Additional State Medicaid & Healthcare Payer Identifiers
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Family Medicine
Doctor of Osteopathic Medicine (D.O.)
Physical Therapist
Physician Assistant
Physician Assistant (Certified)
Student in an Organized Health Care Education/Training Program
Family Medicine
Doctor of Osteopathic Medicine (D.O.)
Family Medicine
Doctor of Osteopathic Medicine (D.O.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 7575 GRAND RIVER RD, STE 111, BRIGHTON, MI 481149390 (Tel: 8108447744)
Registered at 1252 HIDDEN LAKE DR, BLOOMFIELD, MI 483021955 (Tel: 2482581967)
Recorded as ROBERT CLARK, M.D.
Optometrist (license number reported to NPPES: MI 4301040778)
Record officially reactivated for active practice on March 28, 2006
NPPES lists this NPI as deactivated as of March 15, 2006; the reason is not published.
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Ophthalmology Specialists in Brighton
- Dr. Nicholas Carducci, MD
- Dr. Holly Holm, MD
- Dr. Matthew Mckee, MD
- Dr. Stephen Tait, MD PHD
- Dr. Theresa Cooney, MD
- Truman Silvasi
Mailing Address
1252 Hidden Lake Dr
Bloomfield, MI 483021955
Phone: 2482581967