MARIANN HARRINGTON (M.D.) – Hematology & Oncology Physician, NPI 1184606071
Hematology & Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
116 HEMATOLOGY/ONCOLOGY in AR
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Provider Addresses for MARIANN HARRINGTON (M.D.)
CARTI Cancer Center, 8901, CARTI Way, Kanis Village, Little Rock, Pulaski County, Arkansas, 72205, United States
LITTLE ROCK, AR 722056523
Phone: (501) 219-8777
Fax: (501) 907-6522
Type: Location
PO BOX 55050
LITTLE ROCK, AR 722155050
Phone: (501) 219-8777
Fax: (501) 907-6522
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $39.
Total Amount is formed as General ($39) + Research ($0) + Ownership ($0) = $39.
Last reported payment date: 2023-10-17 • Largest payer in this snapshot: Apellis Pharmaceuticals, Inc. ($23).
Total Amount
$39
General + Research + Ownership
Payments
2
Total payment records
General Amount
$39
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Apellis Pharmaceuticals, Inc. | $23 |
| Pharmacyclics LLC, an AbbVie Company | $16 |
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: 2010-05-03
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 |
|---|---|---|---|---|
| I20100503000178 | I | Hematology/Oncology | AR | 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 |
|---|---|---|---|---|
| Q5101 | Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram | 40,740 | 22 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 21,600 | 28 | $0 |
| J1453 | Injection, fosaprepitant, 1 mg | 15,150 | 27 | $0 |
| J9025 | Injection, azacitidine, 1 mg | 14,300 | 14 | $0 |
| J0885 | Injection, epoetin alfa, (for non-esrd use), 1000 units | 11,816 | 79 | $0 |
Insurance plans in this area (ZIP 72205)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | AR | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 452 | 90 |
| HEMATOLOGY/ONCOLOGY | AR | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 1608 | 142 |
| HEMATOLOGY/ONCOLOGY | AR | 96415 | Infusion of chemotherapy into a vein | 246 | 49 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | AR | |
| Nurse Practitioner | AR | |
| Certified Registered Nurse Anesthetist (Crna) | AR | |
| Diagnostic Radiology | AR | |
| H E M A T O L O G Y/ O N C O L O G Y | AR | |
| Internal Medicine, Hematology | AR | |
| Medical Oncology, Hematology | MO | |
| Diagnostic Radiology | AR | |
| Nurse Practitioner | AR | |
| - | AR |
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