DENNIS R ANDERSON MD
NPI 1902912439
Ophthalmology in Marshfield, WI

Active since August 21, 2006PECOS Enrolled
1000 N OAK AVE, MARSHFIELD, WI 54449(715) 389-4027 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dennis R Anderson Md NPPES

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

DENNIS R ANDERSON MD (NPI 1902912439) is an individual ophthalmology provider in Marshfield, Wisconsin, licensed in Wisconsin (32075) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902912439
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDENNIS R ANDERSONCredential: MD
Location Address1000 N OAK AVEMarshfield, WI 54449-5777
Mailing Address1000 N Oak AveMarshfield, WI 54449-5777
Sole ProprietorNo
Enumeration DateAugust 21, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1902912439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in WI · 32075
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
1000 N OAK AVE, Marshfield, WI 54449

Other Identifiers 3

Medicare ID-Type Unspecified038472200WI
Medicare UPIND44714
Medicaid31715700WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dennis R Anderson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Dennis Anderson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,540 clinicians in this Medicare group
Same address
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,476 clinicians in this Medicare group

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

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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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.

Obstetrics & Gynecology
1000 N OAK AVE
MARSHFIELD, WI 54449
Nurse Practitioner
1000 N OAK AVE
MARSHFIELD, WI 54449
Dietitian, Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Student in an Organized Health Care Education/Training Program
1000 N OAK AVE
MARSHFIELD, WI 54449
Physician Assistant
1000 N OAK AVE
MARSHFIELD, WI 54449
Nurse Anesthetist, Certified Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Internal Medicine
1000 N OAK AVE
MARSHFIELD, WI 54449
Radiology (Vascular & Interventional Radiology)
1000 N OAK AVE
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 Dennis Anderson's NPI number?

The NPI number for Dennis Anderson is 1902912439. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Dennis Anderson located?

Dennis Anderson practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 389-4027.

What is Dennis Anderson's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Dennis Anderson enrolled in Medicare?

Yes. Dennis Anderson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Dennis Anderson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Anderson reassigns Medicare benefits to 2 organizations: Marshfield Clinic Inc (Marshfield, WI) and Mchs Hospitals Inc (Marshfield, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dennis Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Dennis Anderson was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.