Physician Profile
Mariann Harrington, M.D.
Unclaimed ProfileAbout Dr. Harrington
Based in Little Rock, AR, Mariann Harrington, M.D. is listed in the NPI registry under hematology & oncology. Mariann graduated from University of Arkansas College of Medicine in 1980. Medicare claims data shows Mariann provided 146,216 services to 5,006 patients. The services billed most often include injection, pembrolizumab, 1 mg, injection, filgrastim-ayow, biosimilar, (releuko), 1 microgram, and injection, nivolumab, 1 mg. NPI 1184606071 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (501) 219-8777
- Email not available
Practice Locations
8901 CARTI WAY
Little Rock, AR 72205
Conditions Commonly Evaluated or Treated
Within Hematology and Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Advanced Cancers
Blood & Lymph Disorders
Blood Cancers
Blood Disorders
- Bleeding Disorders
- Blood Clot in Lung
- Blood Clotting Gene Mutation
- Deep vein thrombosis
- Hemochromatosis
- High Platelet Count
- High White Blood Cell Count
- Low Platelets
- Low White Blood Cell Count
- Thick Blood
- Unexplained Bruising
Blood disorders
- Bone Marrow Scarring
- Hemolytic Anemia in Children
- Pre-Myeloma Protein In Blood
- Vitamin B12 deficiency anemia
Bone & Soft Tissue Cancers
Digestive Cancers
Endocrine Cancers
Endocrine tumors
Gastrointestinal cancer
General oncology
Genetic Blood Disorders
Gynecologic cancer
Gynecologic Cancers
Head & Neck Cancers
Head and neck cancer
Neurologic Cancers
Oncologic emergencies
Ophthalmologic oncology
Skin cancer
Skin Cancers
Urologic Cancers
Procedures & services
Most searched procedures
Biopsies & Diagnostics
Blood disorder care
Cancer Therapies
Cancer therapy
- Chemo allergy desensitization
- Oral chemotherapy management
- Radiation oncology consultation
- Spinal chemo injection
Cellular Therapies
Consultations
Diagnostic testing
Hematology Treatments
Imaging
Infusions
Interventional oncology
Supportive Cancer Care
- Bone Strengthening Injections For Cancer
- Pain Management For Cancer
- Red Blood Cell Booster Shot
- White Blood Cell Booster Injection
Supportive cancer care
- Cancer nutrition counseling
- Chemo brain treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hyperbaric oxygen for radiation damage
- Lymphedema Drainage Therapy
- Palliative cancer care
Surgical & Vascular Access
- Chemo port placement
- Chemo port removal
- Draining lung fluid
- Paracentesis
- PICC line placement coordination
Testing & Genetics
Vascular access care
Procedures Most Often Billed to Medicare
146,216 services · 5,006 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
4,070 | More than most peers in Hematology & Oncology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
1,308 | More than most peers in Hematology & Oncology |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
28,600 | More than most peers in Hematology & Oncology |
| Injection, nivolumab, 1 mg | Drug given | J9299 |
11,440 | As often as other peers in Hematology & Oncology |
| Injection, aprepitant, 1 mg | Drug given | J0185 |
9,100 | As often as other peers in Hematology & Oncology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
7,620 | More often than most peers in Hematology & Oncology |
| Injection, epoetin alfa, (for non-esrd use), 1000 units | Drug given | J0885 |
6,860 | More often than most peers in Hematology & Oncology |
| Injection, paclitaxel, 1 mg | Drug given | J9267 |
6,471 | As often as other peers in Hematology & Oncology |
| Injection, ferric derisomaltose, 10 mg | Drug given | J1437 |
6,300 | More often than most peers in Hematology & Oncology |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
5,772 | More than most peers in Hematology & Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cancer specialists at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 21 related providers in 4 groups
Other cancer specialists in Little Rock 4
Same specialty, same city.
Trained at University of Arkansas College of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 1980 at University of Arkansas College of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 4
Providers in AR who bill this service to Medicare most often.
Common questions
What does Mariann Harrington specialize in?
Mariann Harrington is a cancer specialist in Little Rock, AR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.
NPI registry
Where is Mariann Harrington located?
Mariann Harrington is listed at 8901 Carti Way, Little Rock, AR 72205. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mariann Harrington's phone number?
The number on file is (501) 219-8777. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mariann Harrington?
Mariann Harrington's National Provider Identifier is 1184606071. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mariann Harrington train?
Mariann Harrington attended University of Arkansas College of Medicine, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mariann Harrington have?
Mariann Harrington has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What does Mariann Harrington do most often?
According to Medicare billing data, Mariann Harrington performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of additional new drug or substance into vein, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mariann Harrington's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mariann Harrington. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.