Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Anastasios Konstantakos, MD

Individual provider Surgery Physician · NPI 1902892110

Anastasios Konstantakos, MD practises Thoracic Surgery in Concord, New Hampshire. Graduated from University of Miami, Lm Miller School of Medicine in 1994, 32 years ago. Practices with Concord Hospital Inc, a 569-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Montana and New Hampshire.

Years since qualifying
32
Trained at
University of Miami, Lm Miller School of Medicine
Licensed in
MT, NH
In the registry since
2005
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

246 Pleasant St
Concord, NH 03301-2548
Phone: (603) 224-1725
Fax: (603) 227-7557
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 319 S Manning Blvd Ste 110a, Albany, NY 12208-1743 — (518) 525-2525

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 35007 (NH)
Surgery Physician Taxonomy 208600000X · Licence 11339 (MT)

Record details

NPI number1902892110
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 22, 2005
Last updated in NPPESSeptember 16, 2025
Certification dateSeptember 16, 2025

Medicare enrollment

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

Medicare specialtyTHORACIC SURGERY
Medical schoolUNIVERSITY OF MIAMI, LM MILLER SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Concord Hospital Inc — 569 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Coronary artery bypass graft (CABG) 1–10 times
Removal of tissue 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients94
Services billed 297 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Concord Hospital Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 569 clinicians in the practice; 12 are shown here.

Other providers in Concord