MARK J SCHWARTZ MD
NPI 1326156654
Hospitalist in Marshfield, WI
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, and is a graduate of Wayne State University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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.
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.
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, WIMarshfield Medical Center - Weston
Acute Care Hospitals · Weston, WIMarshfield Medical Center - Minocqua
Acute Care Hospitals · Minocqua, WIMarshfield Medical Center - Ladysmith
Critical Access Hospitals · Ladysmith, WIPhysician 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.
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.
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.
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.
MARSHFIELD, WI 54449
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Schwartz's NPI number?
The NPI number for Mark Schwartz is 1326156654. It was assigned to this individual provider in the NPPES registry on August 27, 2006.
Where is Mark Schwartz located?
Mark Schwartz practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5537.
What is Mark Schwartz's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Mark Schwartz enrolled in Medicare?
Yes. Mark Schwartz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Mark Schwartz accept?
Health plans from Anthem Blue Cross and Blue Shield, Medica and Sanford Health Plan list Mark Schwartz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Schwartz affiliated with any hospitals?
According to CMS data, Mark Schwartz is affiliated with Marshfield Medical Center, Marshfield Medical Center - Weston, Marshfield Medical Center - Minocqua and Marshfield Medical Center - Ladysmith.
When was this NPI record last updated?
The NPPES record for Mark Schwartz was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Mark J Schwartz, MD · NPI 1326156654
Hospitalist physician in Marshfield, Wisconsin. Individual provider, active in the CMS NPPES registry since August 27, 2006.
## Identity
- **NPI:** 1326156654 (Entity type: Individual)
- **Enumerated:** August 27, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 39152 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 N OAK AVE, Marshfield, WI 54449
- **Phone:** (715) 387-5537
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Wayne State University School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** August 28, 2025
- **Other identifiers:** Medicaid 32555000 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1326156654) · Data from the CMS NPPES public registry.