Doctor profile · Federal record

Dr. Beret Casey, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Internal Medicine Physician · Ashland, WI

  • NPI 1124289483
  • Accepts Medicare
  • 18 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1615 Maple Ln Ste 1
Ashland, WI 548063610
(715) 685-7500

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
May 3, 2018
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Wisconsin #62746 · Minnesota #58314

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124289483. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,095
Distinct HCPCS
10
Medicare allowed
$53,260
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 289 179 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 233 184 $121
83036 Hemoglobin a1c level 210 114 $10
G0108 Diabetes outpatient self-management training services, individual, per 30 minutes 101 59 $52
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 93 62 $33
99215 Established patient office or other outpatient visit, 40-54 minutes 60 51 $167
82043 Urine microalbumin (protein) level 31 31 $6
80048 Blood test, basic group of blood chemicals (calcium, total) 27 25 $8
76536 Ultrasound scan of head and neck soft tissue 24 24 $80
84460 Liver enzyme (sgpt), level 14 12 $5

In context: peer comparison

Among 1 peers in Ashland Endocrinology, Diabetes & Metabolism Physician, average services per provider: 99. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $18.99

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,361
Patients
341
Total drug cost
$768,875
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 263 64 $2,994
Ozempic (Semaglutide) Brand 156 28 $193,071
Trulicity (Dulaglutide) Brand 146 27 $179,829
Metformin Hcl Generic 143 45 $1,382
Jardiance (Empagliflozin) Brand 99 27 $136,454
Methimazole Generic 79 22 $1,090
Synthroid (Levothyroxine Sodium) Brand 78 18 $8,171
Novolog Flexpen (Insulin Aspart) Brand 65 20 $72,572
Novolog (Insulin Aspart) Brand 55 12 $66,486
Alendronate Sodium Generic 54 17 $708

Frequently asked questions

Auto-generated from federal data
What is Dr. Beret Casey's medical specialty?
Dr. Beret Casey practices Endocrinology, Diabetes & Metabolism Physician in Ashland, WI.
Where does Dr. Beret Casey practice?
Dr. Beret Casey practices at 1615 Maple Ln Ste 1, Ashland, WI 548063610. Office phone: 7156857500.
What is Dr. Beret Casey's NPI?
Dr. Beret Casey's National Provider Identifier (NPI) is 1124289483, issued by NPPES.
Does Dr. Beret Casey accept Medicare assignment?
Yes. Dr. Beret Casey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Beret Casey commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.