PAUL J WARREN MD
NPI 1487646477
Internal Medicine - Nephrology in Milwaukee, WI

Q: What is Paul Warren's NPI number?

The NPI number for Paul Warren is 1487646477. It was assigned to this individual provider in the NPPES registry on August 17, 2005.

Q: What is Paul Warren's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Paul Warren was last updated on January 14, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since August 17, 2005PECOS EnrolledAccepts Medicare Assignment

3120 SOUTH 27TH STREET, MILWAUKEE, WI 53215(414) 672-8282(414) 672-8282 Get Directions Write a Review

NPPES record last updated: January 14, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Paul J Warren Md NPPES

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

PAUL J WARREN MD (NPI 1487646477) is an individual nephrology provider in Milwaukee, Wisconsin, licensed in Wisconsin (30363) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Aurora Memorial Hospital Burlington, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1487646477

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NamePAUL J WARRENCredential: MD

Location Address3120 SOUTH 27TH STREETMilwaukee, WI 53215

Mailing Address335 Mahn CourtOak Creek, WI 53154 · (414) 762-2020 · Fax (414) 762-2024

Phone(414) 672-8282

Fax(414) 672-8282

Sole ProprietorYes

Medical School CMSOtherGraduated 1987

Enumeration DateAugust 17, 2005

Last NPPES UpdateJanuary 14, 2010

✔ NPI 1487646477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in WI · 30363✔ Licensed in WI · 30636

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

3120 SOUTH 27TH STREET, Milwaukee, WI 53215

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Other Identifiers 4

Medicare PIN02217-0006

Medicare ID-Type Unspecified022170006

Medicaid31989700WI

Medicare UPINF63831

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Paul J Warren Md 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 ID6507980885

PECOS Enrollment IDI20100824000957

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 11

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.

476 services293 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.

476 services198 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

338 services62 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

229 services108 patients

Dialysis services, per day, less than full month service (20 years or older) 90970

Dialysis is a treatment that replicates some functions of healthy kidneys when they're not working properly. It helps to remove waste, salt, and excess water from your body and maintain a safe level of certain chemicals in your blood. This service, for patients aged 20 or older, is provided on a daily basis for less than a full month.

187 services15 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.

136 services119 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.

86 services86 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

83 services11 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.

51 services49 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

22 services16 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

18 services17 patients

Hospital Affiliations CMS Care Compare 5

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

Aurora Memorial Hospital Burlington

Acute Care Hospitals · Burlington, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520059

Location252 Mchenry StBurlington, WI 53105 · Racine County

Emergency services

Aurora Lakeland Medical Center

Acute Care Hospitals · Elkhorn, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520102

LocationW3985 County Road NnElkhorn, WI 53121 · Walworth County

Emergency services Birthing friendly

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

Aurora Medical Center Kenosha

Acute Care Hospitals · Kenosha, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520189

Location10400 75th StKenosha, WI 53142 · Kenosha 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 53215 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

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.

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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.

VASUNDHARA GANNE MD

Internal Medicine (Nephrology)