MOLLY M LARSON M.D.
NPI 1972898096
Obstetrics & Gynecology in Fort Atkinson, WI

Active since June 16, 2011PECOS EnrolledAccepts Medicare Assignment
650 MCMILLEN ST, FORT ATKINSON, WI 53538(920) 563-8900 Get Directions Write a Review

NPPES record last updated: October 7, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 7, 2022, Aug 4, 2022, Nov 7, 2016 (3 updates tracked since 2016).

About Molly M Larson M.d. NPPES

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

MOLLY M LARSON M.D. (NPI 1972898096) is an individual obstetrics & gynecology provider in Fort Atkinson, Wisconsin, licensed in Wisconsin (74392-20) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Crossing Rivers Health Medical Center, and is a graduate of University Of Colorado School Of Medicine, Aurora (2011).

NPPES Registry Identity

NPI1972898096
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMOLLY M LARSONCredential: M.D.
Location Address650 MCMILLEN STFort Atkinson, WI 53538-1275
Mailing Address650 Mcmillen StFort Atkinson, WI 53538-1275 · (920) 563-8900
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, AuroraGraduated 2011
Enumeration DateJune 16, 2011
Last NPPES UpdateOctober 7, 20223 updates tracked since enumeration
NPPES CertifiedOctober 7, 2022
✔ NPI 1972898096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in WI · 74392-20✔ Licensed in CO · 52543
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
650 MCMILLEN ST, Fort Atkinson, WI 53538

Accepted 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

Molly M Larson 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 ID5496979932
PECOS Enrollment IDI20250916002317
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

3

Medicare enrollment records show Molly Larson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
611 SHERMAN AVE E
Fort Atkinson, WI 53538
  • Reassigned Medicare billing, Wisconsin enrollment
  • 298 clinicians in this Medicare group
Clinical Medical Laboratory
37868 US HIGHWAY 18
Prairie Du Chien, WI 53821
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1619024197 (Wisconsin)
  • 231 clinicians in this Medicare group
Health Maintenance Organization
19450 DEERFIELD AVE
Lansdowne, VA 20176

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

Hospital Affiliations CMS Care Compare

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

Crossing Rivers Health Medical Center

Critical Access Hospitals · Prairie Du Chien, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521330
Location37868 Us Hwy 18Prairie Du Chien, WI 53821 · Crawford County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53538 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 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
650 MCMILLEN ST
FORT ATKINSON, WI 53538
Nurse Practitioner
650 MCMILLEN ST
FORT ATKINSON, WI 53538
Obstetrics & Gynecology
650 MCMILLEN ST
FORT ATKINSON, WI 53538
Obstetrics & Gynecology
650 MCMILLEN ST
FORT ATKINSON, WI 53538
Nurse Practitioner (Family)
650 MCMILLEN ST
FORT ATKINSON, WI 53538
Obstetrics & Gynecology
650 MCMILLEN ST
FORT ATKINSON, WI 53538
Obstetrics & Gynecology
650 MCMILLEN ST
FORT ATKINSON, WI 53538
Nurse Practitioner (Women's Health)
650 MCMILLEN ST
FORT ATKINSON, WI 53538

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 Molly Larson's NPI number?

The NPI number for Molly Larson is 1972898096. It was assigned to this individual provider in the NPPES registry on June 16, 2011.

Where is Molly Larson located?

Molly Larson practices at 650 Mcmillen St, Fort Atkinson, WI 53538. The listed phone number is (920) 563-8900.

What is Molly Larson's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Molly Larson enrolled in Medicare?

Yes. Molly Larson 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.

Which organizations bill Medicare for Molly Larson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Molly Larson reassigns Medicare benefits to 3 organizations: Fort Healthcare, Inc. (Fort Atkinson, WI), Prairie Du Chien Memorial Hospital Association Inc (Prairie Du Chien, WI) and Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Lansdowne, VA). 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 Molly Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Molly Larson accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan and Group Health Cooperative-SCW list Molly Larson 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 Molly Larson affiliated with any hospitals?

According to CMS data, Molly Larson is affiliated with Crossing Rivers Health Medical Center.

When was this NPI record last updated?

The NPPES record for Molly Larson was last updated on October 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.