Diana Choles, MD
NPI 1588618896 · Internal Medicine Physician · Madison, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Choles, MD is a Internal Medicine Physician provider in Madison, WI (NPI 1588618896).
Provider details
- NPI number
- 1588618896
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 36710-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,973 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 695 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 399 | $120 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 258 | $6 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 237 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 65 | $85 |
| Administration of Influenza Virus VaccineG0008 | 41 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 165 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 710 | 185 |
| Levothyroxine Sodium | 618 | 120 |
| Amlodipine Besylate | 517 | 117 |
| Furosemide | 455 | 87 |
| Omeprazole | 448 | 124 |
| Potassium Chloride | 335 | 73 |
| Losartan Potassium | 323 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-20
- Last updated
- 2020-11-05
- Certified
- 2020-11-05
Frequently asked questions
- What is Diana Choles's NPI number?
- Diana Choles's National Provider Identifier (NPI) is 1588618896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Choles's specialty?
- Diana Choles is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Choles located?
- Diana Choles's practice location on file with NPPES is 752 N High Point Rd, Madison, WI 53717-2236.
- What is Diana Choles's phone number?
- The practice phone number listed in the NPPES registry for Diana Choles is (608) 824-4000.
- Does Diana Choles accept Medicare?
- Diana Choles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Choles's NPI active?
- Yes — Diana Choles's NPI (1588618896) is active in the NPPES registry as of the last update on 2020-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.