JAMES NASH DO
NPI 1013323187
Internal Medicine in Marshfield, WI

Q: What is James Nash's NPI number?

The NPI number for James Nash is 1013323187. It was assigned to this individual provider in the NPPES registry on July 9, 2014.

Q: What is James Nash's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for James Nash was last updated on February 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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 July 09, 2014PECOS EnrolledAccepts Medicare Assignment

84.56/100

CMS Quality Rating

1000 N OAK AVE, MARSHFIELD, WI 54449(715) 387-5511 Get Directions Write a Review

NPPES record last updated: February 16, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About James Nash Do NPPES

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

JAMES NASH DO (NPI 1013323187) is an individual internal medicine provider in Marshfield, Wisconsin, licensed in Wisconsin (67684) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and maintains a secondary practice location in Des Moines.

NPPES Registry Identity

NPI1013323187

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameJAMES NASHCredential: DO

Location Address1000 N OAK AVEMarshfield, WI 54449

Mailing Address1000 N Oak AveMarshfield, WI 54449-5703 · (715) 387-5511

Phone(715) 387-5511

Sole ProprietorNo

Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2014

Enumeration DateJuly 9, 2014

Last NPPES UpdateFebruary 16, 2024

NPPES CertifiedFebruary 16, 2024

✔ NPI 1013323187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in WI · 67684✔ Licensed in IA · R-10126

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1000 N OAK AVE, Marshfield, WI 54449

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Secondary Practice Location 1

Location 11111 6th AveDes Moines, IA 50314-2613 · Phone (515) 643-8678 · Fax (515) 643-5802

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

James Nash Do 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 ID6901022011

PECOS Enrollment IDI20170818000165

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.

Medicare Billing Reassignments

Medicare enrollment records show James Nash reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Marshfield Clinic Inc

Same address

Clinic/Center

1000 N OAK AVE
Marshfield, WI 54449

Reassigned Medicare billing, Wisconsin enrollment
2,540 clinicians in this Medicare group

NPI 1952347981 (715) 387-5511

Mchs Hospitals Inc

Same address

Clinic/Center

1000 N OAK AVE
Marshfield, WI 54449

Reassigned Medicare billing, Wisconsin enrollment
Also billed through NPI 1952890873 (Wisconsin)
2,476 clinicians in this Medicare group

NPI 1093221434 (715) 387-5511

Memorial Hospital Inc

22 mi

Critical Access

N3708 RIVER AVE
Neillsville, WI 54456

Reassigned Medicare billing, Wisconsin enrollment
1,440 clinicians in this Medicare group

NPI 1346239373 (715) 743-3101

Lakeview Medical Center Inc Of Rice Lake

85 mi

Clinic/Center

806 2ND ST
Chetek, WI 54728

Reassigned Medicare billing, Wisconsin enrollment
1,616 clinicians in this Medicare group

NPI 1659008605 (715) 924-2000

Flambeau Hospital Inc

89 mi

Clinic/Center

98 SHERRY AVE
Park Falls, WI 54552

Reassigned Medicare billing, Wisconsin enrollment
Also billed through NPI 1700963048 (Wisconsin)
1,351 clinicians in this Medicare group

NPI 1194317966 (715) 762-2484

Beaver Dam Community Hospitals Inc

102 mi

Family Medicine

180 GATEWAY DR
Waupun, WI 53963

Reassigned Medicare billing, Wisconsin enrollment
1,447 clinicians in this Medicare group

NPI 1629374780 (920) 345-1306

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

322 services233 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

130 services130 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

59 services53 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.

50 services38 patients

Hospital Affiliations CMS Care Compare 4

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

Marshfield Medical Center

Acute Care Hospitals · Marshfield, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520037

Location611 St Joseph AveMarshfield, WI 54449 · Wood County

Emergency services Birthing friendly

Marshfield Medical Center - Weston

Acute Care Hospitals · Weston, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520202

Location3400 Ministry ParkwayWeston, WI 54476 · Marathon County

Emergency services Birthing friendly

Marshfield Medical Center - Neillsville

Critical Access Hospitals · Neillsville, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521323

LocationN3708 River AveNeillsville, WI 54456 · Clark County

Emergency services

Flambeau Hospital

Critical Access Hospitals · Park Falls, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521325

Location98 Sherry AvePark Falls, WI 54552 · Price County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54449 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.56/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

89.8

Promoting Interoperability

100

Improvement Activities

Cost

58.73

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

6 suppliers64 claims167 services$4.90 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

3 suppliers19 claims26 services$0.78 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

2 suppliers11 claims11 services$88.14 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

3 suppliers11 claims30 services$37.51 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

3 suppliers14 claims84 services$2.39 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

2 suppliers17 claims17 services$44.92 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

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Obstetrics & Gynecology