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KAREN M GROSS ANP
NPI 1518170596
Nurse Practitioner - Adult Health in Washington, MO

Active since May 07, 2007PECOS EnrolledAccepts Medicare Assignment
901 PATIENTS FIRST DR, WASHINGTON, MO 63090(636) 239-7500(636) 239-2836 Get Directions Write a Review

NPPES record last updated: November 6, 2014. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Karen M Gross Anp NPPES

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

KAREN M GROSS ANP (NPI 1518170596) is an individual adult health provider in Washington, Missouri, licensed in Missouri (100677) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1518170596
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameKAREN M GROSSCredential: ANP
Location Address901 PATIENTS FIRST DRWashington, MO 63090-4700
Mailing Address901 Patients First DrWashington, MO 63090-4700 · (636) 239-7500 · Fax (636) 239-2836
Phone(636) 239-7500
Fax(636) 239-2836
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateMay 7, 2007
Last NPPES UpdateNovember 6, 2014
✔ NPI 1518170596 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MO · 100677
901 PATIENTS FIRST DR, Washington, MO 63090
Open in Google Maps ↗

Other Names 1

Former Name (1)Karen M Toussaint

Other Identifiers 8

OtherP01276122MO · Railroad Medicare
Medicaid1518170596MO
OtherP01134618MO · Railroad Medicare
Medicaid429906803MO
Medicare PIN152810027MO
Medicare UPINP69113
Medicare PIN000081347
Medicare PIN152800178MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower 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

Karen M Gross Anp 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 ID3173620325
PECOS Enrollment IDI20070522000675
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 10

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 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.
334 services247 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
146 services19 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
50 services50 patients
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.
38 services36 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
29 services29 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
18 services17 patients

Hospital Affiliations CMS Care Compare 2

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Mercy Hospital Washington

Acute Care Hospitals · Washington, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260052
Location901 East 5th StreetWashington, MO 63090 · Franklin County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63090 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
$81.64 typical visit price
range $52.28 – $161.24
Typical copayment $20.41 (range $13.07 – $40.31)
Most-billed visit code 99203
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
2 suppliers19 claims19 services$3.14 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier18 claims18 services$58.12 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MERCY CLINIC OPHTHALMOLOGY LLC
Ophthalmology
901 PATIENTS FIRST DR
WASHINGTON, MO 63090
Franklin County (636) 231-3651
MRS. CYNTHIA GRACE LOHRER PT/CHT
Physical Therapist
901 PATIENTS FIRST DR, SUITE 2600
WASHINGTON, MO 63090
Franklin County (636) 390-1700
AMY LEE SWOBODA FNP-BC
Nurse Practitioner (Family)
901 PATIENTS FIRST DR
WASHINGTON, MO 63090
Franklin County (636) 239-4100
SUDHANSHU GOGIA MD
Internal Medicine (Hepatology)
901 PATIENTS FIRST DR
WASHINGTON, MO 63090
Franklin County (636) 239-7344
KATARZYNA ANNE KOHLER DO
Family Medicine
901 PATIENTS FIRST DR, SUITE 1200
WASHINGTON, MO 63090
Franklin County (636) 390-1777
VICTORIA L YENZER NP
Nurse Practitioner (Adult Health)
901 PATIENTS FIRST DR
WASHINGTON, MO 63090
Franklin County (636) 239-7500
PATIENTS FIRST HEALTH CARE LLC
Clinic/Center (Urgent Care)
901 PATIENTS FIRST DR
WASHINGTON, MO 63090
Franklin County (636) 390-1777
DR. MARISSA CHRISTINE STOCK MD
Pediatrics
901 PATIENTS FIRST DR
WASHINGTON, MO 63090
Franklin County (636) 231-3690

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 Karen Gross's NPI number?

The NPI number for Karen Gross is 1518170596. It was assigned to this individual provider in the NPPES registry on May 7, 2007. The provider is also known as Karen M Toussaint.

Where is Karen Gross located?

Karen Gross practices at 901 Patients First Dr, Washington, MO 63090. The listed phone number is (636) 239-7500.

What is Karen Gross's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Karen Gross enrolled in Medicare?

Yes. Karen Gross 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.

What insurance does Karen Gross accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 5 other insurers list Karen Gross 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 Karen Gross affiliated with any hospitals?

According to CMS data, Karen Gross is affiliated with Mercy Hospital St Louis and Mercy Hospital Washington.

When was this NPI record last updated?

The NPPES record for Karen Gross was last updated on November 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.