Physician Profile
Eleni N. Nackos, MD is a healthcare provider in Westbrook, ME specializing in hematology & oncology. Medicare claims data shows Eleni provided 9,197 services to 1,848 patients. The services billed most often include injection, denosumab, 1 mg, injection, fulvestrant, 25 mg, and injection, granisetron hydrochloride, 100 mcg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
11 ROCK ROW STE 320
Westbrook, ME 04092
15 Rock Row Ste 110
Westbrook, ME 04092
2 Independence Dr
Kennebunk, ME 04043
155 Borthwick Ave Ste C
Portsmouth, NH 03801
11 Rock Row Ste 150
Westbrook, ME 04092
11 Rock Row Ste 120
Westbrook, ME 04092
105 Topsham Fair Mall Rd Unit 1
Topsham, ME 04086
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.
Most searched conditions
Advanced Cancers
Blood & Lymph Disorders
Blood Cancers
Blood Disorders
Blood disorders
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
Most searched procedures
Biopsies & Diagnostics
Blood disorder care
Cancer Therapies
Cancer therapy
Cellular Therapies
Consultations
Diagnostic testing
Hematology Treatments
Imaging
Infusions
Interventional oncology
Supportive Cancer Care
Supportive cancer care
Surgical & Vascular Access
Testing & Genetics
Vascular access care
9,197 services · 1,848 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
582 | As often as other peers in Hematology & Oncology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
248 | As often as other peers in Hematology & Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
220 | As often as other peers in Hematology & Oncology |
| Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96402 |
112 | More often than most peers in Hematology & Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
59 | Less often than most peers in Hematology & Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
55 | Less often than most peers in Hematology & Oncology |
| Infusion into a vein for hydration, each additional hour | Treatment | 96361 |
44 | Less often than most peers in Hematology & Oncology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,920 | Less often than most peers in Hematology & Oncology |
| Injection, fulvestrant, 25 mg | Drug given | J9395 |
1,090 | More often than most peers in Hematology & Oncology |
| Injection, granisetron hydrochloride, 100 mcg | Drug given | J1626 |
1,000 | More often than most peers in Hematology & Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Nackos is a cancer specialist in Westbrook, ME. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.
NPI registry
Dr. Nackos is listed at 11 Rock Row Ste 320, Westbrook, ME 04092. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (207) 303-3300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Nackos's National Provider Identifier is 1023339819. 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
Dr. Nackos attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
Dr. Nackos has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Nackos 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 and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nackos. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.