MARK J SCHWARTZ MD
NPI 1326156654
Hospitalist in Marshfield, WI

Active since August 27, 2006PECOS EnrolledAccepts Medicare Assignment
78.85/100
CMS Quality Rating
1000 N OAK AVE, MARSHFIELD, WI 54449(715) 387-5537 Get Directions Write a Review

NPPES record last updated: August 28, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mark J Schwartz Md NPPES

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

MARK J SCHWARTZ MD (NPI 1326156654) is an individual hospitalist provider in Marshfield, Wisconsin, licensed in Wisconsin (39152) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center - Weston, and is a graduate of Wayne State University School Of Medicine (1996).

NPPES Registry Identity

NPI1326156654
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameMARK J SCHWARTZCredential: MD
Location Address1000 N OAK AVEMarshfield, WI 54449
Mailing Address1000 N Oak AveMarshfield, WI 54449-5777
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1996
Enumeration DateAugust 27, 2006
Last NPPES UpdateAugust 28, 2025
NPPES CertifiedAugust 28, 2025
NPI 1326156654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in WI · 39152
Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License 39152 (WI)
1000 N OAK AVE, Marshfield, WI 54449

Other Identifiers 1

Medicaid32555000WI

Accepted 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

Mark J Schwartz 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 ID6406048016
PECOS Enrollment IDI20101013001226
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 7

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Follow-up hospital inpatient care per day, typically 25 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.
445 services144 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
88 services88 patients
Initial hospital inpatient care per day, typically 70 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
48 services48 patients
Follow-up hospital inpatient care per day, typically 35 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.
47 services16 patients
Follow-up hospital inpatient care per day, typically 15 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
22 services12 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
15 services15 patients

Hospital Affiliations CMS Care Compare 2

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

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 - Minocqua

Acute Care Hospitals · Minocqua, WI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520212
Location9576 Highway 70Minocqua, WI 54548 · Oneida County
Emergency services Birthing friendly

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.

78.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality66.68
Promoting Interoperability99
Improvement Activities40
Cost54.87

Referred Medical Equipment & Supplies CMS DME claims

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers12 claims12 services$107.41 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.

Genetic Counselor, MS
1000 N OAK AVE, MARSHFIELD CLINIC; 3C1
MARSHFIELD, WI 54449
Genetic Counselor, MS
1000 N OAK AVE, 3C1
MARSHFIELD, WI 54449
Genetic Counselor, MS
1000 N OAK AVE, DEPT OF MEDICAL GENETICS - 3C1
MARSHFIELD, WI 54449
Pediatrics (Pediatric Critical Care Medicine)
1000 N OAK AVE
MARSHFIELD, WI 54449
Internal Medicine (Nephrology)
1000 N OAK AVE
MARSHFIELD, WI 54449
Social Worker
1000 N OAK AVE
MARSHFIELD, WI 54449
Nuclear Medicine (Nuclear Imaging & Therapy)
1000 N OAK AVE
MARSHFIELD, WI 54449
Psychiatry & Neurology (Neurology)
1000 N OAK AVE
MARSHFIELD, WI 54449

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326156654, enumerated as an "individual" on August 27, 2006.

The provider is located at 1000 N OAK AVE MARSHFIELD, WI 54449 and the phone number is (715) 387-5537.

Hospitalist with taxonomy code 208M00000X.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield, Medica, Sanford. Please consult your insurance carrier or call the provider to verify.

Mark Schwartz is affiliated with: MARSHFIELD MEDICAL CENTER - WESTON and MARSHFIELD MEDICAL CENTER - MINOCQUA.