Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Eleni Nicole Nackos, MD

Individual provider Hematology & Oncology Physician · NPI 1023339819

Dr. Eleni Nicole Nackos, MD is a Hematology/Oncology in Westbrook, Maine. Qualified in 2010, 16 years ago. Practices with Maine Center for Cancer Medicine and Blood Disorders PA, a 69-clinician group, works from 7 locations, accepts Medicare assignment and offers telehealth. Licensed in Maine and New Hampshire.

Years since qualifying
16
Licensed in
ME, NH
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11 Rock Row Ste 320
Westbrook, ME 04092-4877
Phone: (207) 303-3300
Fax: (207) 250-2139
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (6)

  • 2 Independence Dr, Kennebunk, ME 04043-6078 — (207) 303-3300
  • 105 Topsham Fair Mall Rd Unit 1, Topsham, ME 04086 — (207) 303-3300
  • 11 Rock Row Ste 120, Westbrook, ME 04092-4877 — (207) 303-3300
  • 11 Rock Row Ste 150, Westbrook, ME 04092-4877 — (207) 303-3300
  • 15 Rock Row Ste 110, Westbrook, ME 04092-4877 — (207) 303-3300
  • 155 Borthwick Ave Ste C, Portsmouth, NH 03801-7156 — (603) 828-0100

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD21087 (ME)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 20349 (NH)

Record details

NPI number1023339819
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 16, 2010
Last updated in NPPESApril 20, 2026
Certification dateApril 20, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Maine Center For Cancer Medicine And Blood Disorders Pa — 69 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Westbrook