Margaret Claire Rigamer

  • Chicago, IL
  • Vascular surgeon
NPI1235454968PAC ID6204060239
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
Social profiles

Primary practice

See all 3 affiliations

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.

View contacts for free

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 and contact details
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.

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.

See all 3 affiliations for Margaret Rigamer

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.

EHR by site
SiteEHR vendor and product
John H. Stroger, Jr. Hospital of Cook CountyAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Margaret Rigamer practices

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, IllinoisPrimaryLicense 036.146827 · taxonomy 2086S0129X
  • Virginia licenseLicense 0116029794

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.

Medicare services, 2024117
Medicare patients121
Paid by Medicare$8,009
Procedure codes4

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.

See all procedures by Margaret Rigamer

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.

Book a meeting

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.

Medicare patients, 2024121
Average age69
Average risk score4.13
Also on Medicaid71%

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

  1. High blood pressure75%
  2. Diabetes68%
  3. High cholesterol68%
  4. Chronic kidney disease66%
  5. Ischemic heart disease54%
  6. Heart failure52%
  7. Arthritis40%
  8. 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.

Part D claims, 202423
Drugs named by CMS1
Total drug cost$581
Part D patients20

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.

See all prescribing by Margaret Rigamer

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

Find vascular surgeons like Margaret Rigamer by procedure volume and prescribing

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

$25.4Kin total
  • 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.

See all payments to Margaret Rigamer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Margaret Claire Rigamer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)