Dr. Paul Thomas Merchant, MD
- Medicare services, 2024
- 316
- Medicare patients, 2024
- 164
- Part D claims, 2024
- 289
- Hospital affiliations
- 5
- Industry payments
- $188
- Practice address
- 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601
- Practice phone
- Call (608) 775-3176
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gundersen Lutheran Medical Center - Dialysis
Dialysis Center - Hospital-Based · La Crosse, Wisconsin
Find Dr. Merchant'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. Paul Thomas Merchant is a nephrologist in La Crosse, Wisconsin
Dr. Merchant practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin.
Dr. Merchant's NPI, 1427554153, was assigned on April 2, 2018. Dr. Merchant graduated from Medical College of Wisconsin in 2018. Dr. Merchant holds Ohio license 35.147903.
- NPI
- 1427554153NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375890429
- NPI enumeration date
- April 2, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 775-3176
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Paul Thomas Merchant practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin
Dr. Merchant's primary practice is Gundersen Lutheran Medical Center - Dialysis, at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 in La Crosse County. The practice phone is (608) 775-3176.
- Gundersen Lutheran Medical Center - Dialysis1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 · La Crosse CountyPhone(608) 775-3176
Source: Dmand AI Affiliation Data
Dr. Paul Thomas Merchant is affiliated with 8 sites of care and 2 medical groups
Dr. Merchant's primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dr. Merchant is also affiliated with Gundersen Lutheran Medical Center. The medical group on file is Gundersen Lutheran Medical Center. Dmand AI also links Dr. Merchant to 4 more hospitals, 1 dialysis center, 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Merchant's employer is on file too: a dialysis center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Paul Thomas Merchant's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merchant practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gundersen Lutheran Medical Center - Dialysis | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Paul Thomas Merchant is one of 168 nephrologists in Wisconsin
Nephrology is Dr. Merchant's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Merchant is licensed in Ohio.
Specialties and state licenses
- Nephrology, OhioPrimary
Nephrologists near Dr. Merchant
Counts of nephrologists 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. Paul Thomas Merchant billed Medicare for 316 services in 2024
CMS data shows 316 Medicare services from Dr. Merchant across 9 procedure codes in 2024, for 164 Medicare patients. Medicare paid $21,501 for them.
Dr. Merchant's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1472024: 22352%
- Tests and treatments
- 2023: 472024: 5415%
- Other services
- 2023: 02024: 39
Where Dr. Merchant's Medicare services took place, 2024
- In an office13041%
- In a facility18659%
Dr. Merchant compared with the Wisconsin median for nephrologists, 2024
- Dr. Merchant
- Wisconsin median
- Medicare services
- 316vs 67753% below
- Medicare patients
- 164vs 23631% below
- Part D claims
- 150vs 65177% below
Medians across 167 nephrologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Merchant's 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.
Need commercial claims for Dr. Merchant?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Merchant and other nephrologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Paul Thomas Merchant treated 164 Medicare patients in 2024, average age 72
CMS counts 164 Medicare patients who saw Dr. Merchant in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 23% are also on Medicaid. Their average risk score is 3.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Merchant's median patient age at 72, with 46% women.
Dr. Merchant's Medicare patients by age, 2024
Dr. Merchant's Medicare patients by sex, 2024
- Women8149%
- Men8351%
Chronic conditions among Dr. Merchant's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Heart failure59%
- Ischemic heart disease55%
- Diabetes54%
- Arthritis53%
- Atrial fibrillation44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Merchant's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Paul Thomas Merchant wrote 289 Medicare Part D claims in 2024
In 2024, Dr. Merchant wrote 289 Medicare Part D claims for 87 patients. 89% of them were for generic drugs. CMS names the drug for 150 of them, across 8 drugs with 11 or more claims each, at $2,363 in total drug cost. In 2023, CMS named 23 claims across 2 drugs.
Dr. Merchant's Part D claims by kind of drug, 2024
- Generic257 claims89%
- Brand-name32 claims11%
Dr. Merchant'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 232024: 150552%
Drugs named by CMS: 8 in 2024, 2 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. Paul Thomas Merchant offers telehealth to Medicare patients
Dr. Merchant accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Merchant as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Paul Thomas Merchant received $188 in industry payments from 2022 to 2023
CMS Open Payments shows 4 general payments to Dr. Merchant from 3 drug and device companies from 2022 to 2023. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $120.
General payments to Dr. Merchant by program year, 2022 to 2023
Companies that paid Dr. Merchant the most, 2022 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Paul Thomas Merchant graduated from Medical College of Wisconsin
Dr. Merchant graduated from Medical College of Wisconsin in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Paul Thomas Merchant'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Paul Thomas Merchant
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. Paul Thomas Merchant's NPI number?
Dr. Paul Thomas Merchant's NPI number is 1427554153. It was assigned on April 2, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Paul Thomas Merchant?
Dr. Paul Thomas Merchant is a nephrologist in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Paul Thomas Merchant practice?
Dr. Merchant practices at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601. Dr. Merchant's primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dmand AI also links Dr. Merchant to 4 hospitals, 1 dialysis center, 1 group practice or clinic and 1 medical group.
What is Dr. Paul Thomas Merchant's office phone number?
The practice phone on file for Dr. Merchant is (608) 775-3176.
What is Dr. Paul Thomas Merchant's medical license number?
Dr. Merchant holds Ohio license 35.147903.
Which hospitals is Dr. Paul Thomas Merchant affiliated with?
Dr. Merchant is affiliated with Gundersen Lutheran Medical Center. Dmand AI links Dr. Merchant to 4 more hospitals.
What medical group is Dr. Paul Thomas Merchant part of?
Dr. Merchant is linked to Gundersen Lutheran Medical Center. Dmand AI links Dr. Merchant to 1 more medical group.
Does Dr. Paul Thomas Merchant accept Medicare?
Yes. CMS data shows Dr. Merchant billed Medicare for 316 services in 2024, and Dr. Merchant accepts Medicare assignment.
Does Dr. Paul Thomas Merchant offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Merchant as offering telehealth services.
How many Medicare patients does Dr. Paul Thomas Merchant see?
CMS counts 164 Medicare patients who saw Dr. Merchant in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Paul Thomas Merchant bill to Medicare?
In 2024, Dr. Merchant's most billed Medicare services were hospital inpatient care (99232), medicare service (G2211) and dialysis (90935).
Where did Dr. Paul Thomas Merchant go to medical school?
Dr. Merchant graduated from Medical College of Wisconsin in 2018.
What drugs does Dr. Paul Thomas Merchant prescribe most?
In 2024 Medicare Part D data, Dr. Merchant's most prescribed drugs by claims were Losartan Potassium, Torsemide and Lisinopril.
Has Dr. Paul Thomas Merchant received payments from drug or device companies?
CMS Open Payments shows $188 in general payments to Dr. Merchant from 3 companies from 2022 to 2023. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Paul Thomas Merchant been practicing?
Dr. Merchant graduated from medical school in 2018, 8 years ago.
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