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Arrhythmias, CardiacCardiac Pacing, ArtificialEpilepsy
Dr. Stephen W. Hubbard, MD
NPI1366434961PAC ID6002705811
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 332
- Publications
- 1
- MIPS score, 2024
- 99
- Hospital affiliations
- 4
- Practice address
- 601 S Center Ave, Merrill, WI 54452
- Practice phone
- Call (715) 536-5511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hubbard's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephen W. Hubbard is an emergency medicine physician in Merrill, Wisconsin
Dr. Hubbard practices at Aspirus Merrill Hospital in Merrill, Wisconsin, part of Aspirus.
Dr. Hubbard's NPI, 1366434961, was assigned on August 19, 2005. Dr. Hubbard graduated from Illinois Medical College in 1996. Dr. Hubbard holds Wisconsin license 40458-20.
NPI and contact details
- NPI
- 1366434961NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002705811
- NPI enumeration date
- August 19, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (715) 536-5511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen W. Hubbard practices at Aspirus Merrill Hospital in Merrill, Wisconsin
Dr. Hubbard's primary practice is Aspirus Merrill Hospital, at 601 S Center Ave, Merrill, WI 54452 in Lincoln County. The practice phone is (715) 536-5511.
- Aspirus Merrill Hospital601 S Center Ave, Merrill, WI 54452 · Lincoln CountyPhone(715) 536-5511
Source: Dmand AI Affiliation Data
Dr. Stephen W. Hubbard is affiliated with 4 sites of care and 7 medical groups
Dr. Hubbard's primary practice is Aspirus Merrill Hospital in Merrill, Wisconsin, part of Aspirus. Dr. Hubbard is also affiliated with Howard Young Medical Center. The medical group on file is Aspirus Merrill Hospital. Dmand AI also links Dr. Hubbard to 2 more hospitals and 6 medical groups, each named with a free account. Dr. Hubbard's employer is on file too: a hospital.
Howard Young Medical CenterAspirus Merrill Hospital2 hospitalsNames with a free account6 medical groupsNames with a free accountEmployer: hospitalName with a free account
See all 11 affiliations for Dr. HubbardSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen W. Hubbard's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hubbard practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aspirus Merrill Hospital | Available with a free account |
| +3 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen W. Hubbard is one of 1,211 emergency medicine physicians in Wisconsin
Emergency medicine is Dr. Hubbard's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hubbard is licensed in Wisconsin.
Specialties and state licenses
- Emergency medicine, WisconsinPrimary
Emergency medicine physicians near Dr. Hubbard
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
1,211emergency medicine physicians in Wisconsin
9emergency medicine physicians in Merrill
7emergency medicine physicians at Aspirus Merrill HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stephen W. Hubbard treated 14 Medicare patients in 2024, average age 81
CMS counts 14 Medicare patients who saw Dr. Hubbard in 2024. The largest group is under 65, with 0 patients. 75% of them have high blood pressure. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hubbard's median patient age at 47, with 57% women.
Medicare patients, 202414
Average age81
Average risk score1.46
Dr. Hubbard's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Hubbard's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hubbard's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen W. Hubbard wrote 332 Medicare Part D claims in 2024
In 2024, Dr. Hubbard wrote 332 Medicare Part D claims for 231 patients. 95% of them were for generic drugs. CMS names the drug for 195 of them, across 9 drugs with 11 or more claims each, at $1,249 in total drug cost. In 2023, CMS named 142 claims across 7 drugs.
Part D claims, 2024332
Drugs named by CMS9
Total drug cost$1,249
Part D patients231
Dr. Hubbard's Part D claims by kind of drug, 2024
- Generic314 claims95%
- Brand-name18 claims5%
Dr. Hubbard's 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. Hubbard's Part D claims, 2024
- Opioids9%31 of 332 claims
- Antibiotics36%118 of 332 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: 1422024: 19537%
Drugs named by CMS: 9 in 2024, 7 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
Dr. Stephen W. Hubbard scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Hubbard for performance year 2024, reported as part of a group. Dr. Hubbard accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hubbard's MIPS scores, performance year 2024
- 99of 100Final score
- 90.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Stephen W. Hubbard has 1 publication on record
Dmand AI links 1 paper to Dr. Hubbard in 2011. Dr. Hubbard's most frequent co-authors are Octavian Viorel Lie, MD, Mohan Nallicheri Viswanathan, MD and Samuel George Wittekind, MD.
Papers1
Dr. Hubbard's most frequent co-authors
- Octavian Viorel Lie, MD1 shared paper
- Mohan Nallicheri Viswanathan, MD1 shared paper
- Samuel George Wittekind, MD1 shared paper
Recent publications by Dr. Hubbard
See who Dr. Hubbard researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hubbard works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephen W. Hubbard graduated from Illinois Medical College
Dr. Hubbard graduated from Illinois Medical College in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen W. Hubbard'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Stephen W. Hubbard
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. Stephen W. Hubbard's NPI number?
Dr. Stephen W. Hubbard's NPI number is 1366434961. It was assigned on August 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen W. Hubbard?
Dr. Stephen W. Hubbard is an emergency medicine physician in Merrill, Wisconsin. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Stephen W. Hubbard practice?
Dr. Hubbard practices at 601 S Center Ave, Merrill, WI 54452. Dr. Hubbard's primary practice is Aspirus Merrill Hospital in Merrill, Wisconsin, part of Aspirus. Dmand AI also links Dr. Hubbard to 2 hospitals and 6 medical groups.
What is Dr. Stephen W. Hubbard's office phone number?
The practice phone on file for Dr. Hubbard is (715) 536-5511.
What is Dr. Stephen W. Hubbard's medical license number?
Dr. Hubbard holds Wisconsin license 40458-20.
Which hospitals is Dr. Stephen W. Hubbard affiliated with?
Dr. Hubbard practices at Aspirus Merrill Hospital in Merrill, Wisconsin. Dr. Hubbard is also affiliated with Howard Young Medical Center. Dmand AI links Dr. Hubbard to 2 more hospitals.
What medical group is Dr. Stephen W. Hubbard part of?
Dr. Hubbard is linked to Aspirus Merrill Hospital. Dmand AI links Dr. Hubbard to 6 more medical groups.
Does Dr. Stephen W. Hubbard accept Medicare?
Yes. CMS lists Dr. Hubbard as accepting Medicare assignment.
What is Dr. Stephen W. Hubbard's MIPS score?
Dr. Hubbard's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
How many Medicare patients does Dr. Stephen W. Hubbard see?
CMS counts 14 Medicare patients who saw Dr. Hubbard in 2024, with an average age of 81.
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Where did Dr. Stephen W. Hubbard go to medical school?
Dr. Hubbard graduated from Illinois Medical College in 1996.
What drugs does Dr. Stephen W. Hubbard prescribe most?
In 2024 Medicare Part D data, Dr. Hubbard's most prescribed drugs by claims were Prednisone, Azithromycin and Hydrocodone-Acetaminophen.
How long has Dr. Stephen W. Hubbard been practicing?
Dr. Hubbard graduated from medical school in 1996, 30 years ago.
Does Dr. Stephen W. Hubbard do research?
Dmand AI links 1 publication to Dr. Hubbard.
Who does Dr. Stephen W. Hubbard publish with?
Dr. Hubbard's most frequent co-authors are Octavian Viorel Lie, MD (1 shared paper), Mohan Nallicheri Viswanathan, MD (1 shared paper) and Samuel George Wittekind, MD (1 shared paper).
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