Walter Arand, M.D.
NPI 1699752659 · Internal Medicine Physician · Hinsdale, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Arand, M.D. is a Internal Medicine Physician provider in Hinsdale, IL (NPI 1699752659).
Provider details
- NPI number
- 1699752659
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036072743 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,497 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 436 | $132 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 390 | $9 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 242 | $16 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 213 | $10 |
| Hemoglobin A1c Level83036 | 209 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 194 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 621 | 235 |
| Losartan Potassium | 332 | 104 |
| Amlodipine Besylate | 331 | 130 |
| Levothyroxine Sodium | 258 | 101 |
| Rosuvastatin Calcium | 192 | 75 |
| Metformin Hcl | 176 | 55 |
| Simvastatin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 908 N Elm StSte. 301Hinsdale, IL 60521-3635Phone: (630) 323-3540
Registry dates
- Enumerated
- 2005-12-29
- Last updated
- 2023-08-03
- Certified
- 2023-08-03
Frequently asked questions
- What is Walter Arand's NPI number?
- Walter Arand's National Provider Identifier (NPI) is 1699752659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Arand's specialty?
- Walter Arand is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Arand located?
- Walter Arand's practice location on file with NPPES is 40 S Clay St, Hinsdale, IL 60521-3257.
- What is Walter Arand's phone number?
- The practice phone number listed in the NPPES registry for Walter Arand is (630) 323-3540.
- Does Walter Arand accept Medicare?
- Walter Arand is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Arand's NPI active?
- Yes — Walter Arand's NPI (1699752659) is active in the NPPES registry as of the last update on 2023-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.