Doctor profile · Federal record

Dr. Mary Codo, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Specialist · Endocrinology, Diabetes & Metabolism Physician · Naperville, IL

  • NPI 1568504439
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1020 E Ogden Ave Ste 100
Naperville, IL 605638610
(630) 789-4910
fax (630) 789-4911
Mailing address
Po Box 713260
Chicago, IL 606771260

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
August 4, 2023
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Illinois #036-082140 · Illinois #036082140

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568504439. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
9,322
Distinct HCPCS
10
Medicare allowed
$272,791
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 6,360 65 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 612 429 $132
36415 Insertion of needle into vein for collection of blood sample 395 275 $8
83036 Hemoglobin a1c level 371 246 $10
80053 Blood test, comprehensive group of blood chemicals 281 216 $10
84443 Blood test, thyroid stimulating hormone (tsh) 264 202 $16
84439 Thyroxine (thyroid chemical), free 257 201 $9
82306 Vitamin d-3 level 145 121 $29
96372 Injection of drug or substance under skin or into muscle 140 66 $15
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 116 75 $35

In context: peer comparison

Among 2 peers in this city , average services per provider: 445. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,170
Transactions
74
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 32 $309.81
Novo Nordisk Inc 11 $194.46
Amgen Inc. 5 $111.76
SANOFI-AVENTIS U.S. LLC 2 $74.13
Insulet Corporation 4 $73.97
Lilly USA, LLC 4 $68.95
Amneal Pharmaceuticals LLC 3 $57.55
Dexcom, Inc. 3 $48.52
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $41.75
BETA BIONICS, INC. 2 $37.43
Tandem Diabetes Care, Inc. 2 $28.86
Almatica Pharma LLC 1 $27.00
Antares Pharma, Inc. 1 $24.95
Xeris Pharmaceuticals, Inc. 1 $21.56
Amphastar Pharmaceuticals, Inc. 1 $17.84

By nature of payment

Food and Beverage
$1,170

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,428
Patients
805
Total drug cost
$1,462,168
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 610 189 $10,097
Metformin Hcl Er (Metformin Hcl) Brand 202 71 $3,468
Metformin Hcl Generic 200 68 $2,847
Ozempic (Semaglutide) Brand 182 57 $356,320
Jardiance (Empagliflozin) Brand 137 44 $224,548
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 137 48 $144,426
Glimepiride Generic 133 52 $2,190
Novolog Flexpen (Insulin Aspart) Brand 122 45 $238,804
Alendronate Sodium Generic 117 33 $1,830
Synthroid (Levothyroxine Sodium) Brand 111 34 $11,788

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Codo's medical specialty?
Dr. Mary Codo practices Endocrinology, Diabetes & Metabolism Physician in Naperville, IL.
Where does Dr. Mary Codo practice?
Dr. Mary Codo practices at 1020 E Ogden Ave Ste 100, Naperville, IL 605638610. Office phone: 6307894910.
What is Dr. Mary Codo's NPI?
Dr. Mary Codo's National Provider Identifier (NPI) is 1568504439, issued by NPPES.
Does Dr. Mary Codo accept Medicare assignment?
Yes. Dr. Mary Codo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Codo commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.