Doctor profile · Federal record

Dr. Diana Choles, MD

Internal Medicine Physician (CMS: Internal Medicine) · Madison, WI

  • NPI 1588618896
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
752 N High Point RD
Madison, WI 537172236
(608) 824-4000
fax (608) 824-4104

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 5, 2020
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #36710-020
Medicaid
WI #1588618896

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588618896. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,846
Distinct HCPCS
10
Medicare allowed
$108,659
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 612 288 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 346 266 $122
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 243 243 $124
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 204 173 $6
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 55 30 $71
81001 Manual urinalysis test with examination using microscope, automated 42 30 $3
99213 Established patient office or other outpatient visit, 20-29 minutes 42 42 $86
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 41 21 $8
G0008 Administration of influenza virus vaccine 38 38 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 36 36 $76

In context: peer comparison

Among 76 peers in Madison Internal Medicine Physician, average services per provider: 80. This provider delivers 23× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,907
Patients
1,127
Total drug cost
$221,826
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 622 143 $8,922
Omeprazole Generic 524 119 $7,343
Levothyroxine Sodium Generic 483 107 $7,234
Amlodipine Besylate Generic 456 108 $4,318
Furosemide Generic 377 78 $3,090
Potassium Chloride Generic 337 75 $8,345
Losartan Potassium Generic 285 70 $4,177
Metoprolol Succinate Generic 280 71 $5,327
Gabapentin Generic 240 48 $3,761
Lisinopril Generic 238 59 $2,485

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Choles's medical specialty?
Dr. Diana Choles practices Internal Medicine Physician in Madison, WI.
Where does Dr. Diana Choles practice?
Dr. Diana Choles practices at 752 N High Point RD, Madison, WI 537172236. Office phone: 6088244000.
What is Dr. Diana Choles's NPI?
Dr. Diana Choles's National Provider Identifier (NPI) is 1588618896, issued by NPPES.
Does Dr. Diana Choles accept Medicare assignment?
Yes. Dr. Diana Choles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Choles 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.