Dr. John Muir, O.D.
What this data tells you about Dr. Muir
Dr. John Muir is an optometrist in Howell, MI, with 21 years of NPI registration. Based on federal Medicare data, Dr. Muir performed 1,060 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Muir received a total of $4,941 from 6 pharmaceutical and/or device companies across 29 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Muir is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary — 2023
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Comprehensive eye exam, new patient A comprehensive examination of the visual system performed for a new patient. |
337 | $109 | $177 |
| Comprehensive eye exam, established patient A comprehensive examination of the visual system performed for a patient who has previously been seen by the provider. |
328 | $89 | $144 |
| Amniotic membrane placement on eye surface This procedure involves placing amniotic membrane on the surface of the eye to promote wound healing. |
183 | $1,000 | $1,426 |
| Nursing facility visit, established patient, straightforward A follow-up visit by a healthcare provider at a nursing facility for an established patient. The visit involves straightforward medical decision making and lasts at least 10 minutes. |
71 | $31 | $45 |
| Eye exam, established patient, focused A limited examination of the visual system for an existing patient. The provider focuses on a specific eye-related concern or symptom. |
47 | $67 | $132 |
| Retinal and optic nerve function test A diagnostic test that measures how well the retina and optic nerve are functioning. |
45 | $98 | $134 |
| Retinal photography (fundus photo) This procedure involves taking photographs of the retina, the light-sensitive tissue at the back of the eye. It is used to document the condition of the eye's interior structures. |
38 | $23 | $90 |
| New patient eye exam, problem focused A focused examination of the visual system performed during a new patient visit. |
11 | $66 | $121 |
Industry Payment Transparency
Open Payments through 2023 ↗Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2023)
All-time payments by company (2018-2023) ›
Associated products mentioned in payments ›
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2023 |
| Disciplinary History | — Not included | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Muir is a mixed practice specialist, with above-average Medicare volume (top 5% in MI), with 21 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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