Randall Haas, MD
NPI 1205881513 · Internal Medicine Physician · Madison, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Randall Haas, MD is a Internal Medicine Physician provider in Madison, WI (NPI 1205881513).
Provider details
- NPI number
- 1205881513
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 29441-020 (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
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
24 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 | 24 | $9 |
Typical Medicare-allowed amounts for these services range $9–$9 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 281 | 106 |
| Omeprazole | 199 | 78 |
| Amlodipine Besylate | 156 | 59 |
| Losartan Potassium | 147 | 51 |
| Simvastatin | 136 | 56 |
| Lisinopril | 126 | 53 |
| Levothyroxine Sodium | 123 |
Practice location
Mailing address
Additional practice locations (2)
- 752 N High Point RdMadison, WI 53717-2236Phone: (608) 824-4800Fax: (608) 824-4910
- 752 N High Point RdMadison, WI 53717-2236Phone: (608) 824-4000Fax: (608) 824-4805
Registry dates
- Enumerated
- 2006-05-24
- Last updated
- 2020-11-18
- Certified
- 2020-11-18
Frequently asked questions
- What is Randall Haas's NPI number?
- Randall Haas's National Provider Identifier (NPI) is 1205881513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Randall Haas's specialty?
- Randall Haas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Randall Haas located?
- Randall Haas's practice location on file with NPPES is 752 N High Point Rd, Madison, WI 53717-2236.
- What is Randall Haas's phone number?
- The practice phone number listed in the NPPES registry for Randall Haas is (608) 824-4800.
- Does Randall Haas accept Medicare?
- Randall Haas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Randall Haas's NPI active?
- Yes — Randall Haas's NPI (1205881513) is active in the NPPES registry as of the last update on 2020-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.