Dr. Amanda M. Marsh Williams, MD
- Medicare services, 2024
- 18
- Medicare patients, 2024
- 50
- MIPS score, 2024
- 94
- Hospital affiliations
- 3
- Industry payments
- $857
- Practice address
- 1955 West Frye Road, Chandler, AZ 85224
- Practice phone
- Call (480) 728-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Marsh Williams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Amanda M. Marsh Williams is a surgical critical care physician in Chandler, Arizona
Dr. Marsh Williams practices at Dignity Health Chandler Regional Medical Center in Chandler, Arizona, part of CommonSpirit Health.
Dr. Marsh Williams' NPI, 1659863553, was assigned on June 6, 2018. Dr. Marsh Williams holds Arizona license 74325.
- NPI
- 1659863553NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810246527
- NPI enumeration date
- June 6, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 728-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Amanda M. Marsh Williams practices at Dignity Health Chandler Regional Medical Center in Chandler, Arizona
Dr. Marsh Williams' primary practice is Dignity Health Chandler Regional Medical Center, at 1955 West Frye Road, Chandler, AZ 85224 in Maricopa County. The practice phone is (480) 728-3000.
- Dignity Health Chandler Regional Medical Center1955 West Frye Road, Chandler, AZ 85224 · Maricopa CountyPhone(480) 728-3000
Source: Dmand AI Affiliation Data
Dr. Amanda M. Marsh Williams is affiliated with 5 sites of care and 2 medical groups
Dr. Marsh Williams' primary practice is Dignity Health Chandler Regional Medical Center in Chandler, Arizona, part of CommonSpirit Health. Dr. Marsh Williams is also affiliated with Dignity Health Mercy Gilbert Medical Center. The medical group on file is St. Joseph's Faculty Physicians. Dmand AI also links Dr. Marsh Williams to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Amanda M. Marsh Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marsh Williams practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health Chandler Regional Medical Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Amanda M. Marsh Williams is one of 49 surgical critical care physicians in Arizona
Surgical critical care is Dr. Marsh Williams' primary specialty in the NPI Registry, under taxonomy code 2086S0102X. Dr. Marsh Williams is licensed in Arizona.
Specialties and state licenses
- Surgical critical care, ArizonaPrimary
Surgical critical care physicians near Dr. Marsh Williams
Counts of surgical critical care physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Amanda M. Marsh Williams billed Medicare for 18 services in 2024
CMS data shows 18 Medicare services from Dr. Marsh Williams across 1 procedure code in 2024, for 50 Medicare patients. Medicare paid $680 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Marsh Williams compared with the Arizona median for surgical critical care physicians, 2024
- Dr. Marsh Williams
- Arizona median
- Medicare services
- 18vs 20391% below
- Medicare patients
- 50vs 12259% below
Medians across 52 surgical critical care physicians in Arizona with Dmand AI profiles that report each measure.
Dr. Marsh Williams' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marsh Williams and other surgical critical care physicians in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Amanda M. Marsh Williams treated 50 Medicare patients in 2024, average age 76
CMS counts 50 Medicare patients who saw Dr. Marsh Williams in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Marsh Williams' median patient age at 64, with 51% women.
Dr. Marsh Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Marsh Williams' Medicare patients by sex, 2024
- Women2652%
- Men2448%
Chronic conditions among Dr. Marsh Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes50%
- Anxiety44%
- Chronic kidney disease44%
- Ischemic heart disease40%
- Mood disorders38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marsh Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Amanda M. Marsh Williams scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Marsh Williams for performance year 2024, reported through an alternative payment model (APM). Dr. Marsh Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of removal of tissue by Dr. Marsh Williams, more than 64% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Marsh Williams' MIPS scores, performance year 2024
- 94of 100Final score
- 80.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Marsh Williams ranks in Medicare procedure volume
- Removal of tissue
- 64th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Amanda M. Marsh Williams received $857 in industry payments from 2019 to 2024
CMS Open Payments shows 14 general payments to Dr. Marsh Williams from 10 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $202.
General payments to Dr. Marsh Williams by program year, 2019 to 2024
Companies that paid Dr. Marsh Williams the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Amanda M. Marsh Williams's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Amanda M. Marsh Williams
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Amanda M. Marsh Williams' NPI number?
Dr. Amanda M. Marsh Williams' NPI number is 1659863553. It was assigned on June 6, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Amanda M. Marsh Williams?
Dr. Amanda M. Marsh Williams is a surgical critical care physician in Chandler, Arizona. The primary specialty in the NPI Registry is Surgical Critical Care Physician (taxonomy code 2086S0102X).
Where does Dr. Amanda M. Marsh Williams practice?
Dr. Marsh Williams practices at 1955 West Frye Road, Chandler, AZ 85224. Dr. Marsh Williams' primary practice is Dignity Health Chandler Regional Medical Center in Chandler, Arizona, part of CommonSpirit Health. Dmand AI also links Dr. Marsh Williams to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Amanda M. Marsh Williams' office phone number?
The practice phone on file for Dr. Marsh Williams is (480) 728-3000.
What is Dr. Amanda M. Marsh Williams' medical license number?
Dr. Marsh Williams holds Arizona license 74325.
Which hospitals is Dr. Amanda M. Marsh Williams affiliated with?
Dr. Marsh Williams practices at Dignity Health Chandler Regional Medical Center in Chandler, Arizona. Dr. Marsh Williams is also affiliated with Dignity Health Mercy Gilbert Medical Center. Dmand AI links Dr. Marsh Williams to 1 more hospital.
What medical group is Dr. Amanda M. Marsh Williams part of?
Dr. Marsh Williams is linked to St. Joseph's Faculty Physicians. Dmand AI links Dr. Marsh Williams to 1 more medical group.
Does Dr. Amanda M. Marsh Williams accept Medicare?
Yes. CMS data shows Dr. Marsh Williams billed Medicare for 18 services in 2024, and Dr. Marsh Williams accepts Medicare assignment.
What is Dr. Amanda M. Marsh Williams' MIPS score?
Dr. Marsh Williams' MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Amanda M. Marsh Williams see?
CMS counts 50 Medicare patients who saw Dr. Marsh Williams in 2024, with an average age of 76.
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What services does Dr. Amanda M. Marsh Williams bill to Medicare?
In 2024, Dr. Marsh Williams' most billed Medicare services were hospital inpatient care (99231).
Has Dr. Amanda M. Marsh Williams received payments from drug or device companies?
CMS Open Payments shows $857 in general payments to Dr. Marsh Williams from 10 companies from 2019 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Amanda M. Marsh Williams been practicing?
Dr. Marsh Williams graduated from medical school in 2018, 8 years ago.
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