MARINA FISCHER
NPI 1750700928
Nurse Practitioner - Family in Saint Louis, MO

Active since April 15, 2014PECOS Enrolled
1120 S 6TH ST STE 110, SAINT LOUIS, MO 63104(314) 203-2627(314) 261-9469 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 16, 2026, Nov 10, 2020, Feb 11, 2020 (3 updates tracked since 2020).

About Marina Fischer NPPES

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

MARINA FISCHER (NPI 1750700928) is an individual family provider in Saint Louis, Missouri, licensed in Missouri (2014006849) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750700928
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARINA FISCHER
Location Address1120 S 6TH ST STE 110Saint Louis, MO 63104-3602
Mailing Address1120 S 6th St Ste 110Saint Louis, MO 63104-3602 · (618) 977-1305
Fax(314) 261-9469
Sole ProprietorNo
Enumeration DateApril 15, 2014
Last NPPES UpdateMarch 16, 20263 updates tracked since enumeration
NPPES CertifiedMarch 16, 2026
✔ NPI 1750700928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MO · 2014006849
1120 S 6TH ST STE 110, Saint Louis, MO 63104

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marina Fischer 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 Marina Fischer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
6420 CLAYTON RD
Saint Louis, MO 63117
  • Reassigned Medicare billing, Missouri enrollment
  • 741 clinicians in this Medicare group
Family Medicine
10004 KENNERLY RD STE 395B
Saint Louis, MO 63128
  • Reassigned Medicare billing, Missouri enrollment
  • 744 clinicians in this Medicare group
Multi-Specialty
1011 BOWLES AVE, SUITE 300
Fenton, MO 63026
  • Reassigned Medicare billing, Missouri enrollment
  • 697 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.

Areas of Expertise CMS Part B claims

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
66 services64 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63104 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

Other Providers at the Same Location NPPES 6

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

Nurse Practitioner (Family)
1120 S 6TH ST STE 110
SAINT LOUIS, MO 63104
Nurse Practitioner (Family)
1120 S 6TH ST STE 110
SAINT LOUIS, MO 63104
Clinic/Center
1120 S 6TH ST STE 110
SAINT LOUIS, MO 63104
Clinic/Center (Primary Care)
1120 S 6TH ST STE 110
SAINT LOUIS, MO 63104
Nurse Practitioner (Adult Health)
1120 S 6TH ST STE 110
SAINT LOUIS, MO 63104
Nurse Practitioner (Family)
1120 S 6TH ST STE 110
SAINT LOUIS, MO 63104

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 Marina Fischer's NPI number?

The NPI number for Marina Fischer is 1750700928. It was assigned to this individual provider in the NPPES registry on April 15, 2014.

Where is Marina Fischer located?

Marina Fischer practices at 1120 S 6th St Ste 110, Saint Louis, MO 63104. The listed phone number is (314) 203-2627.

What is Marina Fischer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marina Fischer enrolled in Medicare?

Yes. Marina Fischer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marina Fischer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marina Fischer reassigns Medicare benefits to 3 organizations: Ssm Health Care St. Louis (Saint Louis, MO), Mercy Clinic East Communities (Saint Louis, MO) and Ssm Medical Group, Inc. (Fenton, MO). 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 Marina Fischer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marina Fischer accept?

Health plans from UnitedHealthcare list Marina Fischer 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 Marina Fischer was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.