DR. PHILLIP DOUGLAS MARTINEZ-KNOUSE M.D.
NPI 1689036923
Internal Medicine - Hematology & Oncology in Summit, WI

Q: What is Phillip Martinez-knouse's NPI number?

The NPI number for Phillip Martinez-knouse is 1689036923. It was assigned to this individual provider in the NPPES registry on March 25, 2016. The provider is also known as Dr. Phillip Douglas Knouse MD.

Q: What is Phillip Martinez-knouse's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Active since March 25, 2016PECOS EnrolledAccepts Medicare Assignment

36500 AURORA DR, SUMMIT, WI 53066(262) 434-8800 Get Directions Write a Review

NPPES record last updated: June 25, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 25, 2025, Aug 7, 2023, Jan 26, 2023 and 4 more (7 updates tracked since 2016).

On this page

About Dr. Phillip Douglas Martinez-knouse M.d. NPPES

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

DR. PHILLIP DOUGLAS MARTINEZ-KNOUSE M.D. (NPI 1689036923) is an individual hematology & oncology provider in Summit, Wisconsin, licensed in Wisconsin (22233-875) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Washington County, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1689036923

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. PHILLIP DOUGLAS MARTINEZ-KNOUSECredential: M.D.

Location Address36500 AURORA DRSummit, WI 53066-4899

Mailing AddressPo Box 735044Chicago, IL 60673-5031 · (800) 326-2250

Phone(262) 434-8800

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateMarch 25, 2016

Last NPPES UpdateJune 25, 20257 updates tracked since enumeration

NPPES CertifiedJune 25, 2025

✔ NPI 1689036923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

Licenses✔ Licensed in WI · 22233-875✔ Licensed in IL · 036.149823

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

36500 AURORA DR, Summit, WI 53066

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Other Names 1

Former Name (1)Dr. Phillip Douglas Knouse Md

Other Identifiers 1

Medicaid100204204WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.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

Dr. Phillip Douglas Martinez-knouse 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 ID7810280997

PECOS Enrollment IDI20220719001291

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

Medicare enrollment records show Phillip Martinez-knouse reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aurora Health Care Metro, Inc.

27 mi

General Acute Care Hospital

2900 W OKLAHOMA AVE
Milwaukee, WI 53215

Reassigned Medicare billing, Wisconsin enrollment
297 clinicians in this Medicare group

NPI 1861447179 (414) 649-6000

Aurora Advanced Healthcare, Inc.

27 mi

Family Medicine

3003 W GOOD HOPE RD
Milwaukee, WI 53209

Reassigned Medicare billing, Wisconsin enrollment
1,615 clinicians in this Medicare group

NPI 1265629133 (414) 352-3100

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 8

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.

475 services177 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.

121 services100 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

71 services37 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

50 services39 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

30 services30 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.

26 services16 patients

Hospital Affiliations CMS Care Compare 4

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

Aurora Medical Ctr Washington County

Acute Care Hospitals · Hartford, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520038

Location1032 E Sumner StHartford, WI 53027 · Washington County

Emergency services

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520138

Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County

Emergency services Birthing friendly

West Allis Memorial Hospital

Acute Care Hospitals · West Allis, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520139

Location8901 W Lincoln AveWest Allis, WI 53227 · Milwaukee County

Emergency services Birthing friendly

Aurora Medical Center - Summit

Acute Care Hospitals · Summit, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520206

Location36500 Aurora DriveSummit, WI 53066 · Waukesha County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53066 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

$163.24 typical visit price

range $53.90 – $163.24

Typical copayment $40.81 (range $13.47 – $40.81)

Most-billed visit code 99205

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.

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.

BIJAN NEZAMI

Internal Medicine (Critical Care Medicine)

36500 AURORA DR
SUMMIT, WI 53066

Waukesha County (262) 434-1000

KEVIN L EGGLESTON M.D.

Hospitalist

36500 AURORA DR
SUMMIT, WI 53066

Waukesha County (262) 434-4711

KODY LEWIS PA C

Physician Assistant

36500 AURORA DR
SUMMIT, WI 53066

Waukesha County (262) 434-1000

REBECCA M STRIET M.D.

Preventive Medicine (Undersea and Hyperbaric Medicine)

36500 AURORA DR, DEPARTMENT OF WOUND CARE/HYPERBARIC MEDICINE 3RD FLOOR
SUMMIT, WI 53066

Waukesha County (262) 434-5000

REBECCA SUSA DPT, ATC-L

Physical Therapist

36500 AURORA DR
SUMMIT, WI 53066

Waukesha County (262) 434-2600

VIJAY JOHNSON M.D

Internal Medicine (Critical Care Medicine)

36500 AURORA DR
SUMMIT, WI 53066

Waukesha County (262) 434-1000

MRS. KELLY S CAMPBELL ANP-BC

Nurse Practitioner

36500 AURORA DR
SUMMIT, WI 53066

Waukesha County (262) 434-1000

DR. BRETT MCLACHLAN M.D.

Emergency Medicine

36500 AURORA DR
SUMMIT, WI 53066

Waukesha County (262) 434-1000

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 Phillip Martinez-knouse's NPI number?

The NPI number for Phillip Martinez-knouse is 1689036923. It was assigned to this individual provider in the NPPES registry on March 25, 2016. The provider is also known as Dr. Phillip Douglas Knouse MD.

Where is Phillip Martinez-knouse located?

Phillip Martinez-knouse practices at 36500 Aurora Dr, Summit, WI 53066. The listed phone number is (262) 434-8800.

What is Phillip Martinez-knouse's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Phillip Martinez-knouse enrolled in Medicare?

Yes. Phillip Martinez-knouse 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 Phillip Martinez-knouse's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Phillip Martinez-knouse reassigns Medicare benefits to 2 organizations: Aurora Health Care Metro, Inc. (Milwaukee, WI) and Aurora Advanced Healthcare, Inc. (Milwaukee, 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 Phillip Martinez-knouse's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Phillip Martinez-knouse accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Phillip Martinez-knouse 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 Phillip Martinez-knouse affiliated with any hospitals?

According to CMS data, Phillip Martinez-knouse is affiliated with Aurora Medical Ctr Washington County, Aurora St Lukes Medical Center, West Allis Memorial Hospital and Aurora Medical Center - Summit.

When was this NPI record last updated?

The NPPES record for Phillip Martinez-knouse was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.