ANASTASIOS KONSTANTAKOS MD
NPI 1902892110
Surgery in Concord, NH

Q: What is Anastasios Konstantakos's NPI number?

The NPI number for Anastasios Konstantakos is 1902892110. It was assigned to this individual provider in the NPPES registry on September 22, 2005.

Q: What is Anastasios Konstantakos's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Active since September 22, 2005PECOS EnrolledAccepts Medicare Assignment

246 PLEASANT ST, CONCORD, NH 03301(603) 224-1725(603) 227-7557 Get Directions Write a Review

NPPES record last updated: September 16, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 16, 2025, Sep 11, 2025, Aug 29, 2022 and 1 more (4 updates tracked since 2016).

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About Anastasios Konstantakos Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANASTASIOS KONSTANTAKOS MD (NPI 1902892110) is an individual surgery provider in Concord, New Hampshire, licensed in New Hampshire (35007) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and is a graduate of University Of Miami, Lm Miller School Of Medicine (1994).

NPPES Registry Identity

NPI1902892110

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameANASTASIOS KONSTANTAKOSCredential: MD

Location Address246 PLEASANT STConcord, NH 03301-2548

Mailing Address250 Pleasant StConcord, NH 03301-2598 · (603) 227-7000

Phone(603) 224-1725

Fax(603) 227-7557

Sole ProprietorNo

Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 1994

Enumeration DateSeptember 22, 2005

Last NPPES UpdateSeptember 16, 20254 updates tracked since enumeration

NPPES CertifiedSeptember 16, 2025

✔ NPI 1902892110 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Licenses✔ Licensed in NH · 35007✔ Licensed in MT · 11339

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

246 PLEASANT ST, Concord, NH 03301

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Other Identifiers 2

Other124057900MT · Mdcd Pin

Other000097436MT · Bcbs Pin

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Anastasios Konstantakos Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082614854

PECOS Enrollment IDI20250901000269

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

41 services41 patients

Coronary artery bypass using artery graft, 1 graft 33533

A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.

29 services29 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

25 services25 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

25 services19 patients

Harvest of vein using an endoscope 33508

Harvesting a vein using an endoscope is a procedure where a small camera is used to help surgeons remove a vein from your body. This vein is often used to bypass a blocked artery, improving blood flow to your heart.

23 services23 patients

Replacement of aortic valve through the skin and femoral artery 33361

This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.

13 services13 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

13 services13 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

12 services12 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

12 services11 patients

Coronary artery bypass using vein or artery graft, 2 grafts 33518

A coronary artery bypass with 2 grafts is a surgery to improve blood flow to your heart. A surgeon takes a healthy vein or artery from your body and attaches it to the blocked coronary artery. This creates a new path for blood to flow, bypassing the blockage.

11 services11 patients

Ultrasound of one arm arteries or artery grafts 93931

An ultrasound of arm arteries or artery grafts is a non-invasive imaging test. It uses sound waves to create pictures of the arteries in your arm or of an artery graft. This helps to check blood flow and identify any blockages or abnormalities. It's painless and safe.

11 services11 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Concord Hospital

Acute Care Hospitals · Concord, NH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number300001

Location250 Pleasant StConcord, NH 03301 · Merrimack County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$89.14 typical visit price

range $57.75 – $174.26

Typical copayment $22.28 (range $14.43 – $43.56)

Most-billed visit code 99203

Established Patient

$71.85 typical visit price

range $18.70 – $142.15

Typical copayment $17.96 (range $4.67 – $35.53)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PATRICK CASSELL MD

Internal Medicine (Cardiovascular Disease)

246 PLEASANT ST, SUITE 103
CONCORD, NH 03301

Merrimack County (603) 224-6070

KATHRYN S LEMMON MD

Anesthesiology

246 PLEASANT ST, SUITE 105 B EYE ANESTHESIA OF CONCORD PLLC
CONCORD, NH 03301

Merrimack County (603) 224-6503

PLEIADES ANESTHESIA LLC

Anesthesiology

246 PLEASANT ST, SUITE 105B
CONCORD, NH 03301

Merrimack County (603) 224-6503

DR. CLAYTON THERON JONES M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

246 PLEASANT ST, SUITE 103
CONCORD, NH 03301

Merrimack County (603) 224-6070

CAPITAL ORTHOTICS & PROSTHETICS, LLC

Prosthetic/Orthotic Supplier

246 PLEASANT ST, SUITE 200
CONCORD, NH 03301

Merrimack County (603) 226-0101

RACHAEL LYNNE SARGENT APRN

Nurse Practitioner (Adult Health)

246 PLEASANT ST, SUITE 205
CONCORD, NH 03301

Merrimack County (603) 224-0584

NICOLE NELSON PA-C

Physician Assistant

246 PLEASANT ST, SUITE 205
CONCORD, NH 03301

Merrimack County (603) 224-0584

TAMMIE SULLIVAN PT

Physical Therapist (Pediatrics)

246 PLEASANT ST, SUITE 200
CONCORD, NH 03301

Merrimack County (603) 224-4540

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Anastasios Konstantakos's NPI number?

The NPI number for Anastasios Konstantakos is 1902892110. It was assigned to this individual provider in the NPPES registry on September 22, 2005.

Where is Anastasios Konstantakos located?

Anastasios Konstantakos practices at 246 Pleasant St, Concord, NH 03301. The listed phone number is (603) 224-1725.

What is Anastasios Konstantakos's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Anastasios Konstantakos enrolled in Medicare?

Yes. Anastasios Konstantakos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Anastasios Konstantakos accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Anastasios Konstantakos as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Anastasios Konstantakos affiliated with any hospitals?

According to CMS data, Anastasios Konstantakos is affiliated with Concord Hospital.

When was this NPI record last updated?

The NPPES record for Anastasios Konstantakos was last updated on September 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.