Margaret Claire Rigamer
- Medicare services, 2024
- 117
- Medicare patients, 2024
- 121
- Part D claims, 2024
- 23
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 1901 W Harrison St, Chicago, IL 60612
- Practice phone
- Call (312) 864-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Margaret Rigamer's 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.
Margaret Claire Rigamer is a vascular surgeon in Chicago, Illinois
Margaret Rigamer practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government.
Margaret Rigamer's NPI, 1235454968, was assigned on April 6, 2010. Margaret Rigamer holds Illinois license 036.146827.
- NPI
- 1235454968NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204060239
- NPI enumeration date
- April 6, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 864-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Margaret Claire Rigamer practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois
Margaret Rigamer's primary practice is John H. Stroger, Jr. Hospital of Cook County, at 1901 W Harrison St, Chicago, IL 60612 in Cook County. The practice phone is (312) 864-6000.
- John H. Stroger, Jr. Hospital of Cook County1901 W Harrison St, Chicago, IL 60612 · Cook CountyPhone(312) 864-6000
Source: Dmand AI Affiliation Data
Margaret Claire Rigamer is affiliated with 1 site of care and 2 medical groups
Margaret Rigamer's primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government. The medical group on file is John H. Stroger, Jr. Hospital of Cook County. Dmand AI also links Margaret Rigamer to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Margaret Claire Rigamer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Margaret Rigamer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John H. Stroger, Jr. Hospital of Cook County | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Cook County Government and 6.2K+ hospitals, with verified contacts in the same login.
Margaret Claire Rigamer is one of 164 vascular surgeons in Illinois
Vascular surgery is Margaret Rigamer's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dmand AI has Margaret Rigamer's licenses on file in 2 states: Illinois and Virginia.
Specialties and state licenses
- Vascular surgery, IllinoisPrimary
- Virginia license
Vascular surgeons near Margaret Rigamer
Counts of vascular surgeons 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
Margaret Claire Rigamer billed Medicare for 117 services in 2024
CMS data shows 117 Medicare services from Margaret Rigamer across 4 procedure codes in 2024, for 121 Medicare patients. Medicare paid $8,009 for them.
Margaret Rigamer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1132024: 1174%
- Tests and treatments
- 2023: 112024: 0100%
Where Margaret Rigamer's Medicare services took place, 2024
- In an office5950%
- In a facility5850%
Margaret Rigamer compared with the Illinois median for vascular surgeons, 2024
- Margaret Rigamer
- Illinois median
- Medicare services
- 117vs 59880% below
- Medicare patients
- 121vs 41271% below
- Part D claims
- 16vs 5872% below
Medians across 155 vascular surgeons in Illinois with Dmand AI profiles that report each measure.
Margaret Rigamer's 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.
Need commercial claims for Margaret Rigamer?
Medicare shows one payer. Book a meeting to get commercial claims data for Margaret Rigamer and other vascular surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Margaret Claire Rigamer treated 121 Medicare patients in 2024, average age 69
CMS counts 121 Medicare patients who saw Margaret Rigamer in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have high blood pressure, and 68% have diabetes. 71% are also on Medicaid. Their average risk score is 4.13, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Margaret Rigamer's median patient age at 71, with 37% women.
Margaret Rigamer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Margaret Rigamer's Medicare patients by sex, 2024
- Women5142%
- Men7058%
Chronic conditions among Margaret Rigamer's Medicare patients, 2024
- High blood pressure75%
- Diabetes68%
- High cholesterol68%
- Chronic kidney disease66%
- Ischemic heart disease54%
- Heart failure52%
- Arthritis40%
- Tobacco use27%
Share of Medicare patients with each condition. A patient can have several.
Margaret Rigamer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women37%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Margaret Claire Rigamer wrote 23 Medicare Part D claims in 2024
In 2024, Margaret Rigamer wrote 23 Medicare Part D claims for 20 patients. 100% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $581 in total drug cost. In 2019, CMS named 15 claims across 1 drug.
Margaret Rigamer's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Margaret Rigamer's Part D claims, 2024
- Opioids87%20 of 23 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 152020: 167%
Drugs named by CMS: 1 in 2020, 1 in 2019.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Margaret Claire Rigamer scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Margaret Rigamer for performance year 2024, reported as part of a group. Margaret Rigamer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Margaret Rigamer's MIPS scores, performance year 2024
- 95of 100Final score
- 74.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 85of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Margaret Claire Rigamer received $25,440 in industry payments from 2016 to 2024
CMS Open Payments shows 80 general payments to Margaret Rigamer from 8 drug and device companies from 2016 to 2024. Grants make up the largest share, 71% of the total. Medtronic Vascular, Inc. paid the most, $23,949.
General payments to Margaret Rigamer by program year, 2016 to 2024
General payments to Margaret Rigamer by kind, 2016 to 2024
- Grants$18,00071%
- Food and beverage$5,28521%
- Travel and lodging$1,4076%
- Education$7493%
Companies that paid Margaret Rigamer the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Margaret Claire Rigamer'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| 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 Margaret Claire Rigamer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Margaret Claire Rigamer's NPI number?
Margaret Claire Rigamer's NPI number is 1235454968. It was assigned on April 6, 2010, and it is active in the NPI Registry.
What does Margaret Claire Rigamer specialize in?
Margaret Claire Rigamer is a vascular surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Margaret Claire Rigamer practice?
Margaret Rigamer practices at 1901 W Harrison St, Chicago, IL 60612. Margaret Rigamer's primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government. Dmand AI also links Margaret Rigamer to 1 medical group.
What is Margaret Claire Rigamer's office phone number?
The practice phone on file for Margaret Rigamer is (312) 864-6000.
What is Margaret Claire Rigamer's medical license number?
Margaret Rigamer holds Illinois license 036.146827, one of the licenses on file in 2 states.
Which states has Margaret Claire Rigamer been licensed in?
Dmand AI has state licenses on file for Margaret Rigamer in Illinois and Virginia.
Which hospitals is Margaret Claire Rigamer affiliated with?
Margaret Rigamer practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois.
What medical group is Margaret Claire Rigamer part of?
Margaret Rigamer is linked to John H. Stroger, Jr. Hospital of Cook County. Dmand AI links Margaret Rigamer to 1 more medical group.
Does Margaret Claire Rigamer accept Medicare?
Yes. CMS data shows Margaret Rigamer billed Medicare for 117 services in 2024, and Margaret Rigamer accepts Medicare assignment.
What is Margaret Claire Rigamer's MIPS score?
Margaret Rigamer's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Margaret Claire Rigamer see?
CMS counts 121 Medicare patients who saw Margaret Rigamer in 2024, with an average age of 69.
What services does Margaret Claire Rigamer bill to Medicare?
In 2024, Margaret Rigamer's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and hospital inpatient care (99222).
What drugs does Margaret Claire Rigamer prescribe most?
In 2020 Medicare Part D data, Margaret Rigamer's most prescribed drugs by claims were Gabapentin.
Has Margaret Claire Rigamer received payments from drug or device companies?
CMS Open Payments shows $25,440 in general payments to Margaret Rigamer from 8 companies from 2016 to 2024. The largest total came from Medtronic Vascular, Inc.
How long has Margaret Claire Rigamer been practicing?
Margaret Rigamer graduated from medical school in 2010, 16 years ago.
Selling to vascular surgery practices?
See vascular surgeons in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card