Dr. Michael J. Ruby , OD
Optometrist • Nantucket, MA
13 Old South Road
Nantucket, MA 02554
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 April 12, 2007; this date does not establish years in practice.
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Published CMS data list 4,045 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 66984 — Removal of cataract with insertion of prosthetic lens: 2,472 service units.
- 92014 — Established patient complete exam of visual system: 602 service units.
- 92202 — Extended exam of the back part of the eye with optic nerve drawing: 299 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 14 records in the table · Guide: How to read Medicare Part B data
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Published CMS data list 242 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 — 163 prescription fills, including refills.
- Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) — 29 prescription fills, including refills.
- Timolol Maleate — 28 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 5 records in the table · Guide: How to read Medicare Part D prescriber data
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More Medicare Part B services than 95% of clinicians listed under Optometrist in Massachusetts (2024, 789 clinicians with data). Median for this group: 223. Middle half: 85 to 551.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 3,002 in 2020 to 4,045 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
13 Old South Road
Nantucket, MA 02554
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
Pennsylvania College Of Optometry
1993
What Public CMS Data Show
Optometrist: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
586 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $128,446 in 2024
The total amount Medicare approved for these services in 2024. 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, 2024.
Paid by Medicare
About $87,039 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, 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, 2024.
30-day fills
382 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
$6,456 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.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019–2025.
Years since graduation
33 years (graduated 1993)
CMS Doctors and Clinicians data list 1993 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2007
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.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
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.
Enrolled in Medicare (PECOS)
Dr. Ruby has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Ruby as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Nantucket and Massachusetts
Billing and prescribing volume is not a quality rating.
Medicare Part B services
More Medicare Part B services than 95% of clinicians listed under Optometrist in Massachusetts (2024, 789 clinicians with data). Median for this group: 223. Middle half: 85 to 551.
Too few clinicians listed under Optometrist in Nantucket have Medicare Part B data for 2024 to compare.
Medicare-allowed amount
A higher Medicare-allowed amount than 95% of clinicians listed under Optometrist in Massachusetts (2024, 789 clinicians with data). Median for this group: $23,843. Middle half: $9,291 to $49,826.
Too few clinicians listed under Optometrist in Nantucket have Medicare Part B data for 2024 to compare.
Paid by Medicare
A higher Medicare payment amount than 95% of clinicians listed under Optometrist in Massachusetts (2024, 789 clinicians with data). Median for this group: $15,612. Middle half: $5,856 to $32,209.
Too few clinicians listed under Optometrist in Nantucket have Medicare Part B data for 2024 to compare.
Medicare Part D prescriptions
More Part D prescriptions than 85% of clinicians listed under Optometrist in Massachusetts (2024, 486 clinicians with data). Median for this group: 56. Middle half: 23 to 142.
Too few clinicians listed under Optometrist in Nantucket have Medicare Part D data for 2024 to compare.
Part D drug cost
Close to the middle for clinicians listed under Optometrist in Massachusetts (2024, 486 clinicians with data). Median for this group: $9,031. Middle half: $575 to $29,892.
Too few clinicians listed under Optometrist in Nantucket have Medicare Part D data for 2024 to compare.
3 active clinicians are listed under Optometrist with a practice address in Nantucket, MA (1,502 in Massachusetts).
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 increased 35% from 3,002 in 2020 to 4,045 in 2024.
- 2020: 3,002
- 2021: 5,005
- 2022: 5,094
- 2023: 7,052
- 2024: 4,045
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Medicare-allowed amount
Medicare-allowed amount increased 39% from $92,324 in 2020 to $128,446 in 2024.
- 2020: $92,324
- 2021: $116,418
- 2022: $115,737
- 2023: $126,454
- 2024: $128,446
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Paid by Medicare
Paid by Medicare increased 39% from $62,645 in 2020 to $87,039 in 2024.
- 2020: $62,645
- 2021: $80,308
- 2022: $77,714
- 2023: $89,711
- 2024: $87,039
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Medicare Part D prescriptions
Medicare Part D prescriptions went from 11 in 2019 to 242 in 2024.
- 2019: 11
- 2020: 11
- 2022: 120
- 2023: 200
- 2024: 242
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30-day fills
30-day fills went from 13 in 2019 to 382 in 2024.
- 2019: 13
- 2020: 19
- 2022: 157
- 2023: 328
- 2024: 382
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Part D drug cost
Part D drug cost increased 14% from $5,673 in 2019 to $6,456 in 2024.
- 2019: $5,673
- 2020: $9,341
- 2022: $2,521
- 2023: $17,988
- 2024: $6,456
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 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, 2017–2024; 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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66984
Removal of cataract with insertion of prosthetic lens
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2,472 | 21 | $3.99 | $1.14 |
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92014
Established patient complete exam of visual system
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602 | 443 | $175.00 | $122.92 |
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92202
Extended exam of the back part of the eye with optic nerve drawing
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299 | 203 | $40.00 | $14.80 |
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92134
Imaging of retina
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134 | 95 | $69.00 | $39.32 |
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92012
Established patient problem focused exam of visual system
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112 | 64 | $119.11 | $86.57 |
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92133
Imaging of optic nerve
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70 | 64 | $69.00 | $35.43 |
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92083
Exam of visual field with extended testing
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68 | 61 | $95.00 | $61.84 |
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99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
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54 | 54 | $195.00 | $161.47 |
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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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51 | 38 | $175.00 | $125.11 |
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92201
Extended exam of the back part of the eye with retinal drawing
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45 | 42 | $40.00 | $23.93 |
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92250
Photography of the retina
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42 | 41 | $95.00 | $35.87 |
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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39 | 28 | $118.08 | $87.32 |
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92020
Exam of the internal drainage system of eye
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32 | 32 | $44.00 | $26.37 |
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92004
New patient complete exam of visual system
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25 | 25 | $195.00 | $144.88 |
Source: CMS Part B by Provider and Service, 2024; 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 | 163 | 6,134 | $1,203.32 | 33 |
| Dorzolamide-Timolol | Dorzolamide Hcl/Timolol Maleat | 29 | 1,800 | $469.11 | — |
| Timolol Maleate | Timolol Maleate | 28 | 1,779 | $268.77 | 11 |
| Lumigan | Bimatoprost | 11 | 416 | $4,386.65 | — |
| Brimonidine Tartrate | Brimonidine Tartrate | 11 | 900 | $128.52 | — |
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
Self-certified to NPPES: 2020-03-31NUCC 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.
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.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - OPTOMETRY
I20080403000262
MA
3577640374
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Optometrist
Doctor of Optometry
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Optometrist (license number reported to NPPES: MA 3832-TP)
NPI status registered as active in NPPES database
Registered at 13 OLD SOUTH ROAD, NANTUCKET, MA 02554 (Tel: 5082280844)
Registered at 13 OLD SOUTH ROAD, NANTUCKET, MA 02554 (Tel: 5082280844)
Recorded as MICHAEL RUBY, O.D.
Optometrist (license number reported to NPPES: MA OP-3832-TP)
First registered as active Individual Practitioner in NPPES Database.
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Mailing Address
13 Old South Road
Nantucket, MA 02554
Phone: 5082280844