Dr. Robert Montgomery, M.D.
What this data tells you about Dr. Montgomery
Dr. Robert Montgomery is an adult reconstructive orthopaedic surgery physician in Laguna Woods, CA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Montgomery performed 5,120 Medicare services across 1,567 unique beneficiaries.
Between the years covered by Open Payments, Dr. Montgomery received a total of $1,654 from 17 pharmaceutical and/or device companies across 74 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in adult reconstructive orthopaedic surgery physician. 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. Montgomery 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 |
|---|---|---|---|
| Steroid injection (triamcinolone) A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered. |
2,752 | $1 | $4 |
| 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. |
571 | $71 | $300 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
327 | $60 | $264 |
| Functional activity therapy A therapy procedure that utilizes functional activities as part of the treatment process. |
325 | $28 | $127 |
| Knee X-ray, 4 or more views An imaging test using X-rays to create multiple pictures of the knee joint from different angles. |
252 | $42 | $165 |
| Manual therapy (hands-on treatment), per 15 min | 160 | $18 | $91 |
| 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. |
147 | $83 | $371 |
| Knee X-ray, 1-2 views An X-ray imaging test of the knee joint using one to two different angles to visualize the bones and surrounding structures. |
135 | $27 | $121 |
| Hip X-ray, 2-3 views An X-ray imaging test of the hip joint using two to three different angles to visualize the bones and surrounding structures. |
88 | $32 | $166 |
| Orthovisc intra-articular injection An injection of hyaluronan or its derivative into a joint space to provide lubrication and cushioning. |
85 | $95 | $375 |
| Ultrasound-guided large joint aspiration or injection This procedure uses ultrasound imaging to guide the removal of fluid from or the injection of medication into a large joint. |
59 | $81 | $384 |
| Hip X-ray, minimum 4 views An X-ray imaging test of the hip joint using at least four different angles to visualize the bones and surrounding structures. |
50 | $53 | $210 |
| Total knee replacement | 41 | $1,081 | $4,221 |
| Shoulder X-ray, 2+ views An X-ray imaging test of the shoulder joint using at least two different angles to visualize the bones and surrounding structures. |
33 | $31 | $122 |
| Hyaluronan intra-articular injection An injection of hyaluronan or a derivative into a joint to provide lubrication and cushioning. |
26 | $532 | $2,201 |
| Total hip replacement Surgical procedure to replace the thigh bone and hip joint with artificial components. |
21 | $1,085 | $4,360 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
19 | $99 | $423 |
| Evaluation for physical therapy, typically 20 minutes | 16 | $72 | $338 |
| MRI of leg joint, without contrast A magnetic resonance imaging scan of a joint in the leg performed without the use of contrast dye. |
13 | $172 | $740 |
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
1.8 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. Montgomery is a mixed practice specialist, with above-average Medicare volume (top 19% in CA), with low-engagement industry engagement, with 20 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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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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