Internal Medicine, Hematology & Oncology · Little Rock, AR
NPI
1184606071
Since 2005
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
8901 Carti Way
Little Rock, AR, 72205
Phone (501) 219-8777
Groups this clinician bills Medicare through
Medicare paid, 2024
$4.7M
259,538 services
Medicare patients, 2024
1,289
Average age 75
Drug cost, 2024
$6.6M
3,383 prescriptions
Company payments, 2025
$32.1
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Mariann Harrington was code J9271 (injection, pembrolizumab, 1 mg), 28,600 times for 47 patients. In total Mariann Harrington billed 259,538 services in 215 codes, and Medicare paid $4.7M.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2022-03-10.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J9271 Injection, pembrolizumab, 1 mg | Office | 28,600 | 47 | $44.56 | $1.3M |
| Q5125 Injection, filgrastim-ayow, biosimilar, (releuko), 1 microgram | Office | 24,060 | 17 | $0.38 | $9,125 |
| J9299 Injection, nivolumab, 1 mg | Office | 11,440 | 15 | $24.62 | $282K |
| Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | Office | 9,180 | 14 | $0.25 | $2,310 |
| J0185 Injection, aprepitant, 1 mg | Office | 9,100 | 31 | $1.32 | $12K |
| J0897 Injection, denosumab, 1 mg | Office | 7,620 | 43 | $20.49 | $156K |
| J0885 Injection, epoetin alfa, (for non-esrd use), 1000 units | Office | 6,860 | 67 | $6.26 | $43K |
| J9267 Injection, paclitaxel, 1 mg | Office | 6,471 | 15 | $0.08 | $521 |
| J1437 Injection, ferric derisomaltose, 10 mg | Office | 6,300 | 57 | $15.68 | $99K |
| J1100 Injection, dexamethasone sodium phosphate, 1 mg | Office | 5,772 | 126 | $0.09 | $515 |
| 85025 Blood Count | Office | 4,546 | 844 | $7.53 | $34K |
| 36415 Venipuncture Blood Collection | Office | 4,070 | 837 | $8.63 | $35K |
| J1626 Injection, granisetron hydrochloride, 100 mcg | Office | 3,160 | 85 | $0.25 | $802 |
| Q5114 Injection, trastuzumab-dkst, biosimilar, (ogivri), 10 mg | Office | 2,780 | 11 | $41.15 | $114K |
| 80053 Clinical Chemistry | Office | 2,140 | 772 | $10.28 | $22K |
By year: 2022 $4.6M for 402,784 services; 2023 $4.9M for 331,286 services; 2024 $4.7M for 259,538 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 85025 Blood Count | 4,546 | 844 | $7.53 | $34K |
| 36415 Venipuncture Blood Collection | 4,070 | 837 | $8.63 | $35K |
| 80053 Clinical Chemistry | 2,140 | 772 | $10.28 | $22K |
| 82378 Clinical Chemistry | 1,063 | 406 | $18.50 | $20K |
| 86300 Immunoassay | 744 | 309 | $20.28 | $15K |
| 83540 Clinical Chemistry | 726 | 236 | $6.30 | $4,573 |
| 82728 Clinical Chemistry | 721 | 235 | $13.27 | $9,570 |
| 83550 Clinical Chemistry | 709 | 235 | $8.51 | $6,036 |
| 82784 Immunoassay | 344 | 61 | $9.11 | $3,134 |
| 85652 Clinical Chemistry | 306 | 105 | $2.63 | $804 |
Medicare prescription drug claims, 2024
In 2024, the drug Mariann Harrington prescribed most often to Medicare patients was Letrozole, with 611 prescriptions and refills. In total Mariann Harrington wrote 3,383 Medicare prescriptions that cost $6.6M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Letrozole Generic | 611 | 936 | 101 | $8,731 |
| Potassium Chloride Generic | 201 | 222 | 76 | $1,150 |
| Doxycycline Hyclate Generic | 130 | 130 | 35 | $1,319 |
| Eliquis Apixaban | 122 | 152 | 19 | $88K |
| Warfarin Sodium Generic | 116 | 204 | 21 | $1,043 |
| Tamoxifen Citrate Generic | 97 | 183 | 22 | $1,828 |
| Ondansetron Hcl Generic | 97 | 103 | 49 | $824 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 87 | 87 | 25 | $2,345 |
| Imbruvica Ibrutinib | 86 | 86 | Under 11 | $1.4M |
| Exemestane Generic | 81 | 104 | 12 | $4,007 |
| Prednisone Generic | 81 | 102 | 29 | $272 |
| Prochlorperazine Maleate Generic | 80 | 84 | 44 | $939 |
| Neulasta Onpro Pegfilgrastim | 72 | 72 | 15 | $448K |
| Enoxaparin Sodium Generic | 67 | 67 | 30 | $9,859 |
| Xarelto Rivaroxaban | 56 | 94 | 11 | $51K |
Brand drugs: 749 claims; generic drugs: 2,634 claims; opioid claims: 160.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Mariann Harrington $32.1 ($32.1 in general payments such as food, travel and fees) from 1 company. The largest payer was Daiichi Sankyo Inc. with $32.1.
| Company | Payments | Amount |
|---|---|---|
| Daiichi Sankyo Inc. 4568.T | 2 | $32.1 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.