Doctor profile · Federal record

Dr. Mary Mulcahy, MD

Medical Oncology Physician (CMS: Medical Oncology) · Chicago, IL

  • NPI 1306870837
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
675 N Saint Clair St, Galter 21-100
Chicago, IL 606115975
(312) 695-0990
fax (312) 695-1106
Mailing address
680 N Lake Shore Dr, Suite 1000
Chicago, IL 606114546

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 17, 2009
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Illinois #036096205

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306870837. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
151,323
Distinct HCPCS
10
Medicare allowed
$4,022,200
HCPCS Description Services Patients Avg allowed
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 34,020 57 $48
J1453 Injection, fosaprepitant, 1 mg 16,350 54 $0
J9299 Injection, nivolumab, 1 mg 11,840 16 $30
J1439 Injection, ferric carboxymaltose, 1 mg 11,250 14 $1
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 10,400 15 $3
J9263 Injection, oxaliplatin, 0.5 mg 10,362 23 $0
J1569 Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg 8,200 63 $44
J9271 Injection, pembrolizumab, 1 mg 7,200 18 $54
J0897 Injection, denosumab, 1 mg 6,960 41 $23
J9041 Injection, bortezomib, 0.1 mg 4,555 57 $5

In context: peer comparison

Among 25 peers in Chicago Medical Oncology Physician, average services per provider: 1,025. This provider delivers 148× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$53
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 1 $34.57
Tempus Ai, INC 1 $18.33

By nature of payment

Food and Beverage
$53

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
314
Patients
106
Total drug cost
$84,107
Drug Type Claims Patients Total cost
Prochlorperazine Maleate Generic 55 32 $754
Eliquis (Apixaban) Brand 48 20 $31,256
Gabapentin Generic 33 11 $412
Ondansetron Odt (Ondansetron) Brand 29 17 $628
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 27 14 $526
Pantoprazole Sodium Generic 20 0 $362
Creon (Lipase/Protease/Amylase) Brand 19 0 $48,719
Omeprazole Generic 17 0 $90
Oxycodone Hcl Generic 15 0 $387
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 14 0 $718

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Mulcahy's medical specialty?
Dr. Mary Mulcahy practices Medical Oncology Physician in Chicago, IL.
Where does Dr. Mary Mulcahy practice?
Dr. Mary Mulcahy practices at 675 N Saint Clair St, Chicago, IL 606115975. Office phone: 3126950990.
What is Dr. Mary Mulcahy's NPI?
Dr. Mary Mulcahy's National Provider Identifier (NPI) is 1306870837, issued by NPPES.
Does Dr. Mary Mulcahy accept Medicare assignment?
Yes. Dr. Mary Mulcahy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Mulcahy commonly perform?
Top Medicare-reported procedures in 2023: Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144); Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, nivolumab, 1 mg (HCPCS J9299). Source: CMS Medicare Physician & Other Practitioners file.