DR. MARY KATHRYN MALECEK (MD) – Hematology & Oncology Physician, NPI 1144647355
Hematology & Oncology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
310 HEMATOLOGY/ONCOLOGY in MO
Provider Addresses for DR. MARY KATHRYN MALECEK (MD)
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
Phone: (314) 362-1700
Fax: (314) 362-9878
Type: Location
660 S EUCLID AVE
SAINT LOUIS, MO 631101010
Phone: (314) 362-1700
Fax: (314) 362-9878
Type: Mailing
3015 N BALLAS RD
SAINT LOUIS, MO 631312329
Phone: (314) 996-5151
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $597.
Total Amount is formed as General ($597) + Research ($0) + Ownership ($0) = $597.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Incyte Corporation ($99).
Total Amount
$597
General + Research + Ownership
Payments
25
Total payment records
General Amount
$597
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-08-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20170803002440 | I | Hematology/Oncology | MO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 584 | 270 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 153 | 52 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 102 | 46 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 93 | 84 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 53 | 31 | $0 |
Insurance plans in this area (ZIP 63110)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MO | |
| Internal Medicine, Hematology/Oncology | MO | |
| - | MO | |
| Thoracic Surgery | MO | |
| - | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| Pulmonary Disease, Critical Care (Intensivists) | MO | |
| Internal Medicine | MO | |
| Internal Medicine | MO |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.