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DR. WILLIE R ROSS MD
NPI 1255359774
Internal Medicine - Nephrology in Saint Louis, MO

Active since July 17, 2006PECOS EnrolledAccepts Medicare Assignment
79.29/100
CMS Quality Rating
4921 PARKVIEW PL, DIV IM NEPHROLOGY, STE 5C, SAINT LOUIS, MO 63110(314) 362-7603(314) 747-5213 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Nov 15, 2021 and 2 more (5 updates tracked since 2016).

About Dr. Willie R Ross Md NPPES

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

DR. WILLIE R ROSS MD (NPI 1255359774) is an individual nephrology provider in Saint Louis, Missouri, licensed in Missouri (R3N18) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of Washington University School Of Medicine (1984).

NPPES Registry Identity

NPI1255359774
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. WILLIE R ROSSCredential: MD
Location Address4921 PARKVIEW PL, DIV IM NEPHROLOGY, STE 5CSaint Louis, MO 63110-1032
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-7603 · Fax (314) 747-5213
Phone(314) 362-7603
Fax(314) 747-5213
Sole ProprietorNo
Medical School CMSWashington University School Of MedicineGraduated 1984
Enumeration DateJuly 17, 2006
Last NPPES UpdateApril 17, 20255 updates tracked since enumeration
✔ NPI 1255359774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in MO · R3N18
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.

4921 PARKVIEW PL, Saint Louis, MO 63110
Open in Google Maps ↗

Other Identifiers 1

Medicaid202883815MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.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

Dr. Willie R Ross 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 ID42292864
PECOS Enrollment IDI20040604000717
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 7

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 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.
152 services44 patients
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.
98 services55 patients
Dialysis procedure including 1 evaluation 90945
Dialysis is a treatment that filters and purifies the blood when your kidneys can't do their job. The procedure involves circulating your blood through a machine that removes waste products. An evaluation is done beforehand to assess your health and determine the best approach for your treatment.
52 services13 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.
26 services13 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
24 services17 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.
24 services24 patients

Hospital Affiliations CMS Care Compare 3

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

Memorial Hospital

Acute Care Hospitals · Belleville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140185
Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County
Emergency services Birthing friendly

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Barnes-Jewish West County Hospital

Acute Care Hospitals · Creve Coeur, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260162
Location12634 Olive BoulevardCreve Coeur, MO 63141 · St. Louis County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
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.

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.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

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.

MS. CHERYL ANNE WOOLSEY PA
Physician Assistant
4921 PARKVIEW PL, DIV SURG HPB, STE 12B
SAINT LOUIS, MO 63110
St. Louis City (314) 747-0410
DR. CHARLES PHILLIPS JONES MD
Urology
4921 PARKVIEW PL, DIV SURG UROLOGY, STE 11C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-8200
DR. PRABHA RANGANATHAN MD
Internal Medicine (Rheumatology)
4921 PARKVIEW PL, DIV IM RHEUMATOLOGY, STE 5C
SAINT LOUIS, MO 63110
St. Louis City (314) 286-2635
DR. RALPH GERARD DACEY JR. MD
Neurological Surgery
4921 PARKVIEW PL, DEPT NEUROLOGICAL SURGERY, STE 6B/6C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-3577
DR. KRASIMIRA MIKHAILOVA MIKHOVA MD
Internal Medicine (Clinical Cardiac Electrophysiology)
4921 PARKVIEW PL, DIV IM CARDIOLOGY, STE 8B
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1291
DR. JEE YOUNG HAN MD
Psychiatry & Neurology (Neurology)
4921 PARKVIEW PL, DIV NEUROLOGY AGING AND DEMENTIA, STE 6C
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1408
MS. MAREN JORGENSEN OT
Occupational Therapist
4921 PARKVIEW PL, DEPT OCCUPATIONAL THERAPY, STE 6F
SAINT LOUIS, MO 63110
St. Louis City (314) 286-1669
DR. ADRIAN SHIFREN MD
Internal Medicine (Pulmonary Disease)
4921 PARKVIEW PL, DIV IM PULMONARY AND CCM, 8TH FL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-8917

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 Willie Ross's NPI number?

The NPI number for Willie Ross is 1255359774. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Willie Ross located?

Willie Ross practices at 4921 Parkview Pl Div Im Nephrology, Ste 5C, Saint Louis, MO 63110. The listed phone number is (314) 362-7603.

What is Willie Ross's specialty?

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

Is Willie Ross enrolled in Medicare?

Yes. Willie Ross 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 Willie Ross accept?

Health plans from Cox HealthPlans list Willie Ross 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 Willie Ross affiliated with any hospitals?

According to CMS data, Willie Ross is affiliated with Memorial Hospital, Barnes Jewish Hospital and Barnes-Jewish West County Hospital.

When was this NPI record last updated?

The NPPES record for Willie Ross was last updated on April 17, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.