MS. DENISE GREBE MARIS FNP-BC APNP
NPI 1649423799
Nurse Practitioner - Family in Milwaukee, WI

Active since November 01, 2008PECOS EnrolledAccepts Medicare Assignment
75.75/100
CMS Quality Rating
2311 N PROSPECT AVE, MILWAUKEE, WI 53211(414) 319-3000 Get Directions Write a Review

NPPES record last updated: September 16, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Denise Grebe Maris Fnp-bc Apnp NPPES

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

MS. DENISE GREBE MARIS FNP-BC APNP (NPI 1649423799) is an individual family provider in Milwaukee, Wisconsin, licensed in Wisconsin (3530-33) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS, is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1649423799
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. DENISE GREBE MARISCredential: FNP-BC APNP
Location Address2311 N PROSPECT AVEMilwaukee, WI 53211-4445
Mailing Address4425 N Port Washington Rd, Attn: Csmcp Clinic CredentialingGlendale, WI 53212-1082 · (414) 319-3000
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateNovember 1, 2008
Last NPPES UpdateSeptember 16, 2022
NPPES CertifiedSeptember 16, 2022
NPI 1649423799 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 WI · 3530-33
2311 N PROSPECT AVE, Milwaukee, WI 53211

Other Names 1

Other Name (5)Denise Marie Grebe Fnp-bc Apnp

Accepted 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

Ms. Denise Grebe Maris Fnp-bc Apnp 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 ID9638232572
PECOS Enrollment IDI20090120000415
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 2

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
31 services25 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
17 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Ascension Columbia St Mary's Hospital Milwaukee

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520051
Location2323 N Lake DrMilwaukee, WI 53211 · Milwaukee County
Emergency services Birthing friendly

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520136
Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53211 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75.75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.16
Promoting Interoperability76
Improvement Activities40
Cost57.63

Referred Medical Equipment & Supplies CMS DME claims 7

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers18 claims18 services$14.42 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
2 suppliers15 claims15 services$765.11 avg. paid by Medicare
Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470
DME-Other DME · category DE001N
2 suppliers16 claims16 services$84.69 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
3 suppliers26 claims26 services$67.23 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims11 services$32.77 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
5 suppliers17 claims3,841 services$0.03 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.

Family Medicine
2311 N PROSPECT AVE
MILWAUKEE, WI 53211
Urology
2311 N PROSPECT AVE
MILWAUKEE, WI 53211
Obstetrics & Gynecology
2311 N PROSPECT AVE
MILWAUKEE, WI 53211
Nurse Practitioner (Family)
2311 N PROSPECT AVE
MILWAUKEE, WI 53211
Urology
2311 N PROSPECT AVE
MILWAUKEE, WI 53211
Internal Medicine (Gastroenterology)
2311 N PROSPECT AVE
MILWAUKEE, WI 53211
Neurological Surgery
2311 N PROSPECT AVE
MILWAUKEE, WI 53211
Nurse Practitioner (Family)
2311 N PROSPECT AVE
MILWAUKEE, WI 53211

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 Denise Maris's NPI number?

The NPI number for Denise Maris is 1649423799. It was assigned to this individual provider in the NPPES registry on November 1, 2008. The provider is also known as Denise Marie Grebe Fnp-Bc Apnp.

Where is Denise Maris located?

Denise Maris practices at 2311 N Prospect Ave, Milwaukee, WI 53211. The listed phone number is (414) 319-3000.

What is Denise Maris's specialty?

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

Is Denise Maris enrolled in Medicare?

Yes. Denise Maris 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 Denise Maris accept?

Health plans from Anthem Blue Cross and Blue Shield and Network Health list Denise Maris 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 Denise Maris affiliated with any hospitals?

According to CMS data, Denise Maris is affiliated with Ascension Columbia St Mary's Hospital Milwaukee and Ascension SE Wisconsin Hospital.

When was this NPI record last updated?

The NPPES record for Denise Maris was last updated on September 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.