Doctor profile · Federal record

Dr. Melissa Larson, M.D.

Hematology (Internal Medicine) Physician (CMS: Hematology) · Chicago, IL

  • NPI 1912967688
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1725 W Harrison St, Suite 809
Chicago, IL 606123841
(312) 563-2320

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
September 16, 2011
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
Illinois #036108941

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912967688. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
784
Distinct HCPCS
10
Medicare allowed
$107,562
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 262 146 $149
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 142 47 $125
99215 Established patient office or other outpatient visit, 40-54 minutes 103 39 $148
99214 Established patient office or other outpatient visit, 30-39 minutes 86 81 $102
99214 Established patient office or other outpatient visit, 30-39 minutes 55 41 $99
99205 New patient office or other outpatient visit, 60-74 minutes 51 51 $191
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $137
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 20 16 $83
99205 New patient office or other outpatient visit, 60-74 minutes 16 16 $188
99239 Hospital discharge day management, more than 30 minutes 14 13 $120

In context: peer comparison

Among 8 peers in Chicago Hematology (Internal Medicine) Physician, average services per provider: 404. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$78
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $78.47

By nature of payment

Food and Beverage
$78

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
811
Patients
239
Total drug cost
$5,593,811
Drug Type Claims Patients Total cost
Revlimid (Lenalidomide) Brand 138 31 $3,092,523
Hydroxyurea Generic 108 34 $2,514
Acyclovir Generic 102 38 $1,828
Eliquis (Apixaban) Brand 88 25 $58,128
Venclexta (Venetoclax) Brand 57 22 $459,097
Allopurinol Generic 52 26 $542
Imbruvica (Ibrutinib) Brand 44 0 $755,314
Fluconazole Generic 39 14 $2,011
Pomalyst (Pomalidomide) Brand 31 0 $760,139
Potassium Chloride Generic 28 17 $399

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Larson's medical specialty?
Dr. Melissa Larson practices Hematology (Internal Medicine) Physician in Chicago, IL.
Where does Dr. Melissa Larson practice?
Dr. Melissa Larson practices at 1725 W Harrison St, Chicago, IL 606123841. Office phone: 3125632320.
What is Dr. Melissa Larson's NPI?
Dr. Melissa Larson's National Provider Identifier (NPI) is 1912967688, issued by NPPES.
Does Dr. Melissa Larson accept Medicare assignment?
Yes. Dr. Melissa Larson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Larson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.