MARK P RIDDER M.D.
NPI 1821542739
Internal Medicine - Infectious Disease in Marshfield, WI

Q: What is Mark Ridder's NPI number?

The NPI number for Mark Ridder is 1821542739. It was assigned to this individual provider in the NPPES registry on August 9, 2016.

Q: What is Mark Ridder's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Mark Ridder was last updated on December 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 August 09, 2016PECOS EnrolledAccepts Medicare Assignment

78.85/100

CMS Quality Rating

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

NPPES record last updated: December 12, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 12, 2022, Aug 9, 2016 (2 updates tracked since 2016).

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About Mark P Ridder M.d. NPPES

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

MARK P RIDDER M.D. (NPI 1821542739) is an individual infectious disease provider in Marshfield, Wisconsin, licensed in Wisconsin (68148) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center - Rice Lake, and maintains a secondary practice location in Marshfield.

NPPES Registry Identity

NPI1821542739

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameMARK P RIDDERCredential: M.D.

Location Address1000 N OAK AVEMarshfield, WI 54449-5703

Mailing Address1000 N Oak AveMarshfield, WI 54449-5703

Phone(715) 387-5511

Sole ProprietorNo

Medical School CMSSanford School Of Medicine Of University Of South DakotaGraduated 2016

Enumeration DateAugust 9, 2016

Last NPPES UpdateDecember 12, 20222 updates tracked since enumeration

NPPES CertifiedDecember 12, 2022

✔ NPI 1821542739 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in WI · 68148

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

1000 N OAK AVE, Marshfield, WI 54449

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Secondary Practice Location 1

Location 1M120 Highway 97Marshfield, WI 54449 · Phone (715) 502-5575

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Medica, Sanford Health Plan 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

Mark P Ridder M.d. 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 ID2163779869

PECOS Enrollment IDI20210701000242

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 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.

464 services173 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.

159 services90 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 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.

156 services141 patients

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.

95 services59 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

47 services41 patients

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

36 services28 patients

Hospital Affiliations CMS Care Compare 5

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

Marshfield Medical Center - Rice Lake

Acute Care Hospitals · Rice Lake, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520011

Location1700 West Stout StreetRice Lake, WI 54868 · Barron County

Emergency services Birthing friendly

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 - Eau Claire

Acute Care Hospitals · Eau Claire, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520210

Location2310 Craig RdEau Claire, WI 54701 · Eau Claire 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

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

Quality

66.68

Promoting Interoperability

Improvement Activities

Cost

54.87

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.

ALISON RAE SAMPSON D.O.

Obstetrics & Gynecology