DR. MARY KATHRYN MALECEK MD
NPI 1144647355
Internal Medicine - Hematology & Oncology in Saint Louis, MO

Q: What is Mary Malecek's NPI number?

The NPI number for Mary Malecek is 1144647355. It was assigned to this individual provider in the NPPES registry on March 25, 2014. The provider is also known as Dr. Mary Kathryn Duncan MD.

Q: What is Mary Malecek's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mary Malecek was last updated on October 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 March 25, 2014PECOS EnrolledAccepts Medicare Assignment

82.1/100

CMS Quality Rating

3015 N BALLAS RD, SAINT LOUIS, MO 63131(314) 996-5151 Get Directions Write a Review

NPPES record last updated: October 29, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 24, 2021, Oct 29, 2019, Jun 25, 2018 (3 updates tracked since 2018).

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About Dr. Mary Kathryn Malecek Md NPPES

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

DR. MARY KATHRYN MALECEK MD (NPI 1144647355) is an individual hematology & oncology provider in Saint Louis, Missouri, licensed in Missouri (2017010068) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2014).

NPPES Registry Identity

NPI1144647355

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameDR. MARY KATHRYN MALECEKCredential: MD

Location Address3015 N BALLAS RDSaint Louis, MO 63131-2329

Mailing Address660 S Euclid AveSaint Louis, MO 63110-1010 · (314) 362-1700 · Fax (314) 362-9878

Phone(314) 996-5151

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2014

Enumeration DateMarch 25, 2014

Last NPPES UpdateOctober 29, 20213 updates tracked since enumeration

NPPES CertifiedOctober 29, 2021

✔ NPI 1144647355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in MO · 2017010068

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.

3015 N BALLAS RD, Saint Louis, MO 63131

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Other Names 1

Former Name (1)Dr. Mary Kathryn Duncan Md

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. Mary Kathryn Malecek 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 ID6305141409

PECOS Enrollment IDI20170803002440

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 9

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.

460 services257 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.

132 services45 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.

130 services44 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.

56 services54 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.

51 services48 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.

31 services31 patients

Hospital Affiliations CMS Care Compare 5

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

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260108

Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis 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

Parkland Health Center

Acute Care Hospitals · Farmington, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260163

Location1101 W LibertyFarmington, MO 63640 · St. Francois County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63131 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

$169.38 typical visit price

range $55.65 – $169.38

Typical copayment $42.34 (range $13.91 – $42.34)

Most-billed visit code 99205

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.

82.1/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

82.14

Promoting Interoperability

100

Improvement Activities

Cost

74.23

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. ASHLEY FRANCES MARIE PIKE FNP

Nurse Practitioner (Family)

3015 N BALLAS RD, DEPT EMERGENCY MED
SAINT LOUIS, MO 63131

St. Louis County (314) 966-5000

PAUL S PATANE M.D.

Anesthesiology

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5330

MR. BLAIR ANTHONY MALENCH PA

Physician Assistant

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5225

ADNAN MANZOOR MD

Hospitalist

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5772

LAUREN MARIE HECHT RD, LD

Dietitian, Registered

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (573) 579-6375

DR. ALAN P LYSS MD

Internal Medicine (Hematology & Oncology)

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5514

VIRGILIO P DUMADAG MD

Pathology (Anatomic Pathology & Clinical Pathology)

3015 N BALLAS RD, DEPARTMENT OF PATHOLOGY
SAINT LOUIS, MO 63131

St. Louis County (314) 996-4285

STEPHEN R DAVIS M.D.

Anesthesiology

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5330

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 Mary Malecek's NPI number?

The NPI number for Mary Malecek is 1144647355. It was assigned to this individual provider in the NPPES registry on March 25, 2014. The provider is also known as Dr. Mary Kathryn Duncan MD.

Where is Mary Malecek located?

Mary Malecek practices at 3015 N Ballas Rd, Saint Louis, MO 63131. The listed phone number is (314) 996-5151.

What is Mary Malecek's specialty?

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

Is Mary Malecek enrolled in Medicare?

Yes. Mary Malecek 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.

Is Mary Malecek affiliated with any hospitals?

According to CMS data, Mary Malecek is affiliated with Memorial Hospital, Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital and Parkland Health Center.

When was this NPI record last updated?

The NPPES record for Mary Malecek was last updated on October 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.