Dr. Lisa Williams, M.D.
What this data tells you about Dr. Williams
Dr. Lisa Williams is a physical medicine & rehabilitation specialist in Sacramento, CA, with 14 years of NPI registration. Based on federal Medicare data, Dr. Williams performed 1,130 Medicare services across 784 unique beneficiaries.
Between the years covered by Open Payments, Dr. Williams received a total of $11,806 from 6 pharmaceutical and/or device companies across 25 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in physical medicine & rehabilitation. The majority of payments are for consulting, which typically reflects recognized clinical expertise sought by manufacturers. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Williams 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 |
|---|---|---|---|
| Electromyography of arm or leg muscles A test that measures the electrical activity in the muscles of the arm or leg using a needle electrode. It helps evaluate the health of muscles and the nerve cells that control them. |
202 | $38 | $172 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
172 | $113 | $699 |
| Spinal drug pump reprogramming and refill A physician electronically adjusts the settings of a spinal drug infusion pump and refills its medication reservoir. |
136 | $35 | $519 |
| 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. |
97 | $73 | $502 |
| 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. |
81 | $68 | $434 |
| 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. |
67 | $54 | $354 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
52 | $65 | $275 |
| Injection of chemical for paralysis of nerve muscles on arm or leg, 1-4 muscles, each additional extremity | 44 | $55 | $342 |
| Nerve conduction studies, 7-8 tests A series of 7 to 8 nerve conduction tests to evaluate how well nerves are sending signals to muscles. |
44 | $88 | $404 |
| Electronic analysis and reprogramming of spinal drug pump This procedure involves electronically analyzing and reprogramming a spinal canal drug infusion pump. It does not include the surgical insertion or removal of the device. |
37 | $25 | $228 |
| Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle | 37 | $16 | $78 |
| Nerve conduction study, 3-4 tests A diagnostic test that measures how well nerves send electrical signals. It involves performing 3 to 4 separate nerve conduction studies to evaluate nerve function. |
37 | $54 | $252 |
| Nerve conduction studies, 5-6 tests A series of 5 to 6 tests that measure how well nerves send electrical signals. The procedure evaluates nerve function and helps identify damage or dysfunction. |
33 | $66 | $302 |
| Chemical nerve block injection, 1-4 muscles An injection of a chemical agent to paralyze specific muscles in an arm or leg. This procedure targets one to four muscles in the first extremity treated. |
30 | $84 | $549 |
| New patient office visit, 15-29 minutes An initial office visit for a new patient lasting 15 to 29 minutes. This code is used when the total time spent on the date of the encounter meets this duration threshold. |
19 | $38 | $297 |
| Nerve conduction study, 9-10 studies A diagnostic test that measures how well nerves send electrical signals. It involves performing 9 to 10 separate nerve conduction studies to evaluate nerve function. |
16 | $109 | $501 |
| Limited needle EMG of arm or leg muscles A test that measures the electrical activity in specific muscles of the arm or leg using a needle electrode. This limited study evaluates muscle function in a targeted area. |
15 | $15 | $71 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
11 | $101 | $646 |
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 ›
The majority of payments (95%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers. Total industry engagement is in the top 5% for physical medicine & rehabilitation in CA.
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. Williams is a clinical cardiology specialist, with moderate Medicare volume, with consulting-driven industry engagement in the top 5% of CA peers.
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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