Dr. Michael Arnstein, M.D.
What this data tells you about Dr. Arnstein
Dr. Michael Arnstein is an optician specialist in Torrance, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Arnstein performed 944 Medicare services across 732 unique beneficiaries.
Between the years covered by Open Payments, Dr. Arnstein received a total of $12,127 from 21 pharmaceutical and/or device companies across 234 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in optician. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Arnstein 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
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 |
|---|---|---|---|
| Complicated wound repair, scalp/arms/legs, 2.6-7.5 cm A complex surgical procedure to close a wound on the scalp, arms, or legs that measures between 2.6 and 7.5 centimeters in length. |
129 | $357 | $496 |
| Complicated wound repair, 2.6-7.5 cm A complex surgical procedure to close a wound measuring between 2.6 and 7.5 centimeters on areas such as the face, neck, hands, or feet. |
124 | $402 | $575 |
| Skin and tissue removal, 20 sq cm or less This procedure involves the surgical excision of skin and underlying tissue from an area measuring 20 square centimeters or smaller. |
89 | $49 | $302 |
| Surgical removal of skin cancer, 2.1-3.0 cm This procedure involves the surgical excision of a cancerous skin growth located on the body, arms, or legs. The size of the removed tissue measures between 2.1 and 3.0 centimeters. |
76 | $123 | $177 |
| Surgical removal of skin cancer, 2.1-3.0 cm Surgical excision of a cancerous skin growth measuring 2.1 to 3.0 centimeters from the scalp, neck, hands, feet, or genitals. |
73 | $133 | $221 |
| Surgical removal of facial skin cancer, 1.1-2.0 cm This procedure involves the surgical excision of a cancerous skin growth located on the face, ears, eyelids, nose, lips, or mouth. The size of the removed tissue is between 1.1 and 2.0 centimeters. |
72 | $123 | $176 |
| Skin cancer removal, face/ears/eyes/nose/lips, 2.1-3.0 cm Surgical removal of a cancerous skin growth from the face, ears, eyelids, nose, lips, or mouth. The procedure involves excising a lesion measuring between 2.1 and 3.0 centimeters. |
63 | $140 | $214 |
| Complex repair of eyelid, nose, ear, or lip wound, 2.6-7.5 cm A surgical procedure to repair a complex wound on the eyelid, nose, ear, or lip that measures between 2.6 and 7.5 centimeters. |
54 | $437 | $610 |
| Complicated wound repair of trunk, 2.6-7.5 cm A surgical procedure to close a complex wound on the trunk that measures between 2.6 and 7.5 centimeters in length. |
46 | $309 | $432 |
| Surgical removal of skin cancer, 1.1-2.0 cm Surgical excision of a cancerous skin growth measuring between 1.1 and 2.0 centimeters on the body, arms, or legs. |
42 | $109 | $148 |
| Muscle or tissue removal, 20 sq cm or less This procedure involves the surgical removal of muscle or other tissue from the body. The total area of the removed tissue is 20.0 square centimeters or less. |
38 | $128 | $400 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
34 | $69 | $275 |
| Removal of noncancer skin growth, 2.1-3.0 cm This procedure involves the surgical removal of a benign skin growth located on the body, arms, or legs. The excised tissue measures between 2.1 and 3.0 centimeters in diameter. |
20 | $88 | $147 |
| Surgical removal of skin cancer, 1.1-2.0 cm Surgical excision of a cancerous skin growth measuring 1.1 to 2.0 centimeters from the scalp, neck, hands, feet, or genitals. |
18 | $113 | $150 |
| Removal of noncancer skin growth, face/ears/eyelids/nose/lips/mouth, 1.1-2.0 cm This procedure involves the surgical removal of a benign skin growth from the face, ears, eyelids, nose, lips, or mouth. The growth removed measures between 1.1 and 2.0 centimeters in diameter. |
17 | $91 | $116 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
17 | $78 | $156 |
| Skin cancer removal, face or mouth area, 0.6-1.0 cm Surgical removal of a cancerous skin growth from the face, ears, eyelids, nose, lips, or mouth. The procedure involves excising a lesion measuring between 0.6 and 1.0 centimeters. |
16 | $126 | $166 |
| Destruction of precancerous skin growth, 1 Removal of a single precancerous skin growth. This procedure destroys abnormal skin cells to prevent them from developing into cancer. |
16 | $60 | $85 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | 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. Arnstein is a mixed practice specialist, with moderate Medicare volume, with low-engagement industry engagement in the top 12% of CA peers, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Arnstein experienced with complicated wound repair, scalp/arms/legs, 2.6-7.5 cm?
Does Dr. Arnstein receive payments from pharmaceutical companies?
How do Dr. Arnstein's costs compare to other opticians in Torrance?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): 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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