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DR. MARISSA LOWENTHAL M.D.
NPI 1205059847
Anesthesiology in Greenfield, WI

Active since April 11, 2007PECOS Enrolled
9000 W SURA LN, GREENFIELD, WI 53228(414) 246-6800(414) 246-6405 Get Directions Write a Review

NPPES record last updated: September 16, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 16, 2024, Sep 14, 2024, Jan 5, 2023 and 1 more (4 updates tracked since 2019).

About Dr. Marissa Lowenthal M.d. NPPES

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

DR. MARISSA LOWENTHAL M.D. (NPI 1205059847) is an individual anesthesiology provider in Greenfield, Wisconsin, licensed in Wisconsin (61825) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205059847
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. MARISSA LOWENTHALCredential: M.D.
Location Address9000 W SURA LNGreenfield, WI 53228-3477
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Phone(414) 246-6800
Fax(414) 246-6405
Sole ProprietorNo
Enumeration DateApril 11, 2007
Last NPPES UpdateSeptember 16, 20244 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2024
✔ NPI 1205059847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WI · 61825
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
9000 W SURA LN, Greenfield, WI 53228
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Other Identifiers 1

Medicaid100009458WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marissa Lowenthal M.d. 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

3

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

Gundersen Lutheran Medical Center Inc
1.8 mi
Clinic/Center
6150 W LAYTON AVE
Milwaukee, WI 53220
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,457 clinicians in this Medicare group
NPI 1871222117 (608) 782-7300
Aurora Medical Group, Inc.
2.9 mi
Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 515
West Allis, WI 53227
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
NPI 1457592735 (414) 328-8650
Mercy Health System Corporation
54 mi
Mental Health (Including Community Mental Health Center)
903 MINERAL POINT AVE
Janesville, WI 53548
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,155 clinicians in this Medicare group
NPI 1669685129 (608) 756-5555

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

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.

STEPHANEY ANNE BUBLITZ OTR/L
Occupational Therapist
9000 W SURA LN
GREENFIELD, WI 53228
Milwaukee County (414) 246-6800
MRS. AMELIA LYNN BEHREND PT, DPT
Physical Therapist
9000 W SURA LN
GREENFIELD, WI 53228
Milwaukee County (833) 528-7672
MADISON ELIZABETH COADY PT
Physical Therapist
9000 W SURA LN
GREENFIELD, WI 53228
Milwaukee County (414) 246-6800
SAMANTHA HILT
Pharmacist
9000 W SURA LN
GREENFIELD, WI 53228
Milwaukee County (414) 246-6700
MRS. LAURA CHRISTINE SOCHA OTR
Occupational Therapist
9000 W SURA LN
GREENFIELD, WI 53228
Milwaukee County (414) 246-6800
KELLY J HERBST-FRAILING MPT
Physical Therapist
9000 W SURA LN
GREENFIELD, WI 53228
Milwaukee County (414) 246-6800
KELLY MARIE LIEBERGEN
Speech-Language Pathologist
9000 W SURA LN
GREENFIELD, WI 53228
Milwaukee County (414) 246-6800
JACQUELYN C KUZMINSKI MD
Pediatrics
9000 W SURA LN
GREENFIELD, WI 53228
Milwaukee County (414) 246-6800

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 Marissa Lowenthal's NPI number?

The NPI number for Marissa Lowenthal is 1205059847. It was assigned to this individual provider in the NPPES registry on April 11, 2007.

Where is Marissa Lowenthal located?

Marissa Lowenthal practices at 9000 W Sura Ln, Greenfield, WI 53228. The listed phone number is (414) 246-6800.

What is Marissa Lowenthal's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Marissa Lowenthal enrolled in Medicare?

Yes. Marissa Lowenthal is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marissa Lowenthal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Lowenthal reassigns Medicare benefits to 3 organizations: Gundersen Lutheran Medical Center Inc (Milwaukee, WI), Aurora Medical Group, Inc. (West Allis, WI) and Mercy Health System Corporation (Janesville, 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 Marissa Lowenthal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marissa Lowenthal accept?

Health plans from CareSource (Common Ground Healthcare) list Marissa Lowenthal 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.

When was this NPI record last updated?

The NPPES record for Marissa Lowenthal was last updated on September 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.