PAUL THOMAS MERCHANT MD
NPI 1427554153
Internal Medicine - Nephrology in La Crosse, WI

Q: What is Paul Merchant's NPI number?

The NPI number for Paul Merchant is 1427554153. It was assigned to this individual provider in the NPPES registry on April 2, 2018.

Q: What is Paul Merchant's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Paul Merchant was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 02, 2018PECOS EnrolledAccepts Medicare Assignment

1836 SOUTH AVE, LA CROSSE, WI 54601(608) 782-7300 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 4, 2025, Jun 14, 2023, Jul 26, 2021 (3 updates tracked since 2021).

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About Paul Thomas Merchant Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PAUL THOMAS MERCHANT MD (NPI 1427554153) is an individual nephrology provider in La Crosse, Wisconsin, licensed in Wisconsin (84040-20) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Aspirus Ironwood Hospital, and maintains a secondary practice location in Cleveland.

NPPES Registry Identity

NPI1427554153

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NamePAUL THOMAS MERCHANTCredential: MD

Location Address1836 SOUTH AVELa Crosse, WI 54601-5429

Mailing Address1836 South AveLa Crosse, WI 54601-5429 · (608) 782-7300

Phone(608) 782-7300

Sole ProprietorNo

Medical School CMSMedical College Of WisconsinGraduated 2018

Enumeration DateApril 2, 2018

Last NPPES UpdateAugust 4, 20253 updates tracked since enumeration

NPPES CertifiedAugust 4, 2025

✔ NPI 1427554153 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in WI · 84040-20✔ Licensed in OH · 35.147903

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

1836 SOUTH AVE, La Crosse, WI 54601

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Secondary Practice Location 1

Location 19500 Euclid Ave # Q7Cleveland, OH 44195-2364 · Phone (216) 444-5040 · Fax (216) 636-4492

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Paul Thomas Merchant Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375890429

PECOS Enrollment IDI20240701003894

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

108 services49 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

30 services18 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

29 services28 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

25 services25 patients

Dialysis procedure including 1 evaluation 90945

Dialysis is a treatment that filters and purifies the blood when your kidneys can't do their job. The procedure involves circulating your blood through a machine that removes waste products. An evaluation is done beforehand to assess your health and determine the best approach for your treatment.

24 services13 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

24 services24 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Aspirus Ironwood Hospital

Critical Access Hospitals · Ironwood, MI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number231333

LocationN10561 Grand View LaneIronwood, MI 49938 · Gogebic County

Emergency services Birthing friendly

Aspirus Rhinelander Hospital

Acute Care Hospitals · Rhinelander, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520019

Location2251 North Shore DrRhinelander, WI 54501 · Oneida County

Emergency services Birthing friendly

Aspirus Wausau Hospital

Acute Care Hospitals · Wausau, WI

4/5 CMS rating

OwnershipProprietary

CMS Certification Number520030

Location333 Pine Ridge BlvdWausau, WI 54401 · Marathon County

Emergency services Birthing friendly

Gundersen Lutheran Medical Center

Acute Care Hospitals · La Crosse, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520087

Location1910 South AveLa Crosse, WI 54601 · La Crosse County

Emergency services Birthing friendly

Langlade Hospital

Critical Access Hospitals · Antigo, WI

OwnershipVoluntary non-profit - Church

CMS Certification Number521350

Location112 E Fifth AveAntigo, WI 54409 · Langlade County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JEFFREY BRIAN TROHKIMOINEN M.D.

Anesthesiology

1836 SOUTH AVE, GUNDERSEN CLINIC, LTD.
LA CROSSE, WI 54601

La Crosse County (608) 775-2031

JESSICA E THESING CRNA

Nurse Anesthetist, Certified Registered