Doctor profile · Federal record

Dr. Margaret Rigamer

Vascular Surgery Physician (CMS: Vascular Surgery) · Vascular Surgery Physician · Student in an Organized Health Care Education/Training Program · Chicago, IL

  • NPI 1235454968
  • Accepts Medicare
  • MIPS 78.2 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1901 W Harrison St Dept of
Chicago, IL 606123714
(312) 864-0224
Mailing address
1901 W Harrison St Ste 1201
Chicago, IL 606123714

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
April 28, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State licenses (2)
Illinois #036.146827 · Virginia #0116029794

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235454968. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
124
Distinct HCPCS
5
Medicare allowed
$11,121
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 44 24 $85
99213 Established patient office or other outpatient visit, 20-29 minutes 32 26 $71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $140
99214 Established patient office or other outpatient visit, 30-39 minutes 14 12 $104
93880 Ultrasound of both sides of head and neck blood flow 11 11 $41

In context: peer comparison

Among 21 peers in Chicago Vascular Surgery Physician, average services per provider: 78. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$446
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ShockWave Medical, INC 1 $225.11
Penumbra, INC. 2 $220.53

By nature of payment

Food and Beverage
$446

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Rigamer's medical specialty?
Dr. Margaret Rigamer practices Vascular Surgery Physician in Chicago, IL.
Where does Dr. Margaret Rigamer practice?
Dr. Margaret Rigamer practices at 1901 W Harrison St Dept of, Chicago, IL 606123714. Office phone: 3128640224.
What is Dr. Margaret Rigamer's NPI?
Dr. Margaret Rigamer's National Provider Identifier (NPI) is 1235454968, issued by NPPES.
Does Dr. Margaret Rigamer accept Medicare assignment?
Yes. Dr. Margaret Rigamer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Rigamer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.