Dr. Randall S. Haas, MD
- Medicare services, 2024
- 24
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 4,405
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 700 South Park St, Madison, WI 53715
- Practice phone
- Call (608) 251-6100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Randall S. Haas is an internist in Madison, Wisconsin
Dr. Haas practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care.
Dr. Haas' NPI, 1205881513, was assigned on May 24, 2006. Dr. Haas graduated from University of Wisconsin School of Medicine in 1987. Dr. Haas holds Wisconsin license 29441-020.
- NPI
- 1205881513NPI Registry (opens in a new tab)
- NPI enumeration date
- May 24, 2006
- NPI status
- Active
- Practice phone
- (608) 251-6100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Randall S. Haas practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin
Dr. Haas' primary practice is SSM Health St. Mary's Hospital - Madison, at 700 South Park St, Madison, WI 53715 in Dane County. The practice phone is (608) 251-6100.
- SSM Health St. Mary's Hospital - Madison700 South Park St, Madison, WI 53715 · Dane CountyPhone(608) 251-6100
Source: Dmand AI Affiliation Data
Dr. Randall S. Haas is affiliated with 2 sites of care and 1 medical group
Dr. Haas' primary practice is SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care. The medical group on file is SSM Health Dean Medical Group. Dmand AI also links Dr. Haas to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Randall S. Haas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Haas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Mary's Hospital - Madison | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Randall S. Haas is one of 1,675 internists in Wisconsin
Internal medicine is Dr. Haas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Haas is licensed in Wisconsin.
Specialties and state licenses
- Internal medicine, WisconsinPrimary
Internists near Dr. Haas
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Randall S. Haas billed Medicare for 24 services in 2024
CMS data shows 24 Medicare services from Dr. Haas across 1 procedure code in 2024, for 20 Medicare patients. Medicare paid $208 for them. Every service was in an office.
Dr. Haas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 4792024: 2495%
- Lab and pathology
- 2023: 1802024: 0100%
- Tests and treatments
- 2023: 1512024: 0100%
- Other services
- 2023: 3562024: 0100%
- Office and hospital visits
- 2023: 6302024: 0100%
Dr. Haas compared with the Wisconsin median for internists, 2024
- Dr. Haas
- Wisconsin median
- Medicare services
- 24vs 45795% below
- Medicare patients
- 20vs 19990% below
- Part D claims
- 3,858vs 4338.9 times
Medians across 1,658 internists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Haas' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Haas and other internists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Randall S. Haas treated 20 Medicare patients in 2024, average age 79
CMS counts 20 Medicare patients who saw Dr. Haas in 2024. 65% of them have high blood pressure. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Haas' median patient age at 75, with 39% women.
Chronic conditions among Dr. Haas' Medicare patients, 2024
- High blood pressure65%
Share of Medicare patients with each condition. A patient can have several.
Dr. Haas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women39%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Randall S. Haas wrote 4,405 Medicare Part D claims in 2024
In 2024, Dr. Haas wrote 4,405 Medicare Part D claims for 561 patients. 89% of them were for generic drugs. CMS names the drug for 3,858 of them, across 88 drugs with 11 or more claims each, at $278,971 in total drug cost. In 2023, CMS named 11,842 claims across 160 drugs.
Dr. Haas' Part D claims by kind of drug, 2024
- Generic3,923 claims89%
- Brand-name456 claims10%
- Other26 claims1%
Dr. Haas' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Haas' Part D claims, 2024
- Opioids1%27 of 4,405 claims
- Antibiotics1%36 of 4,405 claims
- Antipsychotics, patients 65 and over0%13 of 4,405 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 11,8422024: 3,85867%
Drugs named by CMS: 88 in 2024, 160 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Randall S. Haas graduated from University of Wisconsin School of Medicine
Dr. Haas graduated from University of Wisconsin School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Randall S. Haas's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Randall S. Haas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Randall S. Haas' NPI number?
Dr. Randall S. Haas' NPI number is 1205881513. It was assigned on May 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Randall S. Haas?
Dr. Randall S. Haas is an internist in Madison, Wisconsin. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Randall S. Haas practice?
Dr. Haas practices at 700 South Park St, Madison, WI 53715. Dr. Haas' primary practice is SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care. Dmand AI also links Dr. Haas to 1 group practice or clinic.
What is Dr. Randall S. Haas' office phone number?
The practice phone on file for Dr. Haas is (608) 251-6100.
What is Dr. Randall S. Haas' medical license number?
Dr. Haas holds Wisconsin license 29441-020.
Which hospitals is Dr. Randall S. Haas affiliated with?
Dr. Haas practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin.
What medical group is Dr. Randall S. Haas part of?
Dr. Haas is linked to SSM Health Dean Medical Group.
Does Dr. Randall S. Haas accept Medicare?
Yes. CMS data shows Dr. Haas billed Medicare for 24 services in 2024.
How many Medicare patients does Dr. Randall S. Haas see?
CMS counts 20 Medicare patients who saw Dr. Haas in 2024, with an average age of 79.
What services does Dr. Randall S. Haas bill to Medicare?
In 2024, Dr. Haas' most billed Medicare services were surgery: heart and blood vessels (36415).
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Where did Dr. Randall S. Haas go to medical school?
Dr. Haas graduated from University of Wisconsin School of Medicine in 1987.
What drugs does Dr. Randall S. Haas prescribe most?
In 2024 Medicare Part D data, Dr. Haas' most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Amlodipine Besylate.
How long has Dr. Randall S. Haas been practicing?
Dr. Haas graduated from medical school in 1987, 39 years ago.
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