DR. CLAUDIU-GILY IONESCU-TAJTI M.D.
NPI 1265559553
Internal Medicine in Lyme, NH

Q: What is Claudiu-gily Ionescu-tajti's NPI number?

The NPI number for Claudiu-gily Ionescu-tajti is 1265559553. It was assigned to this individual provider in the NPPES registry on March 23, 2007. The provider is also known as Dr. Gily Ionescu M.D..

Q: What is Claudiu-gily Ionescu-tajti's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since March 23, 2007PECOS EnrolledAccepts Medicare Assignment

204 DARTMOUTH COLLEGE HWY, LYME, NH 03768(603) 650-1070(603) 640-1228 Get Directions Write a Review

NPPES record last updated: December 12, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 12, 2025, Aug 2, 2024, Nov 9, 2021 and 2 more (5 updates tracked since 2017).

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About Dr. Claudiu-gily Ionescu-tajti M.d. NPPES

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

DR. CLAUDIU-GILY IONESCU-TAJTI M.D. (NPI 1265559553) is an individual internal medicine provider in Lyme, New Hampshire, licensed in New Hampshire (33116) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1265559553

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. CLAUDIU-GILY IONESCU-TAJTICredential: M.D.

Location Address204 DARTMOUTH COLLEGE HWYLyme, NH 03768-3236

Mailing AddressPo Box 810Hanover, NH 03755-0810 · (603) 308-1467 · Fax (509) 527-8010

Phone(603) 650-1070

Fax(603) 640-1228

Sole ProprietorNo

Medical School CMSOtherGraduated 1994

Enumeration DateMarch 23, 2007

Last NPPES UpdateDecember 12, 20255 updates tracked since enumeration

NPPES CertifiedDecember 12, 2025

✔ NPI 1265559553 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in NH · 33116✔ Licensed in WA · MD60072805

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

204 DARTMOUTH COLLEGE HWY, Lyme, NH 03768

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Other Names 1

Professional Name (2)Dr. Gily Ionescu M.d.

Secondary Practice Locations 3

Location 155 W Tietan StWalla Walla, WA 99362-4445 · Phone (509) 525-3720 · Fax (509) 522-0982

Location 21111 S 2nd AveWalla Walla, WA 99362-4118 · Phone (509) 522-0100 · Fax (509) 527-8010

Location 3380 Chase AveWalla Walla, WA 99362-2924 · Phone (509) 897-5836 · Fax (509) 897-5743

Other Identifiers 1

Medicaid2008840WA

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Claudiu-gily Ionescu-tajti M.d. 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 ID9739280181

PECOS Enrollment IDI20240913000949

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.

Medicare Billing Reassignments

Medicare enrollment records show Claudiu-gily Ionescu-tajti reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dartmouth-Hitchcock Clinic

9.4 mi

Internal Medicine

ONE MEDICAL CENTER DR
Lebanon, NH 03756

Reassigned Medicare billing, New Hampshire enrollment
2,999 clinicians in this Medicare group

NPI 1548210198 (603) 650-5000

Mary Hitchcock Memorial Hospital

9.4 mi

General Acute Care Hospital

ONE MEDICAL CENTER DR
Lebanon, NH 03756

Reassigned Medicare billing, New Hampshire enrollment
2,620 clinicians in this Medicare group

NPI 1023092053 (603) 650-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

83 services77 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

50 services46 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

21 services11 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number300003

Location1 Medical Center DriveLebanon, NH 03756 · Grafton County

Emergency services Birthing friendly

Cottage Hospital

Critical Access Hospitals · Woodsville, NH

OwnershipVoluntary non-profit - Private

CMS Certification Number301301

Location90 Swiftwater RdWoodsville, NH 03785 · Grafton County

Emergency services

Littleton Regional Healthcare

Critical Access Hospitals · Littleton, NH

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number301302

Location600 St Johnsbury RoadLittleton, NH 03561 · Grafton County

Emergency services

Alice Peck Day Memorial Hospital

Critical Access Hospitals · Lebanon, NH

OwnershipVoluntary non-profit - Private

CMS Certification Number301305

Location10 Alice Peck Day DriveLebanon, NH 03766 · Grafton County

Emergency services

Mt Ascutney Hospital

Critical Access Hospitals · Windsor, VT

OwnershipVoluntary non-profit - Private

CMS Certification Number471302

Location289 County RoadWindsor, VT 05089 · Windsor County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03768 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

$132.09 typical visit price

range $57.75 – $174.26

Typical copayment $33.02 (range $14.43 – $43.56)

Most-billed visit code 99204

Established Patient

$101.54 typical visit price

range $18.70 – $142.15

Typical copayment $25.38 (range $4.67 – $35.53)

Most-billed visit code 99214

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

Referred Medical Equipment & Supplies CMS DME claims 14

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

9 suppliers65 claims144 services$6.28 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

4 suppliers14 claims19 services$1.12 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

1 supplier21 claims21 services$60.81 avg. paid by Medicare

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

2 suppliers15 claims15 services$33.01 avg. paid by Medicare

Wheelchair accessory, manual swingaway, retractable or removable mounting hardware for joystick, other control interface or positioning accessory E1028

DME-Wheelchairs · category DD021N

1 supplier13 claims13 services$12.81 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier26 claims26 services$96.88 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

SARAH BLANCHARD PA

Physician Assistant

204 DARTMOUTH COLLEGE HWY, GENERAL INTERNAL MEDICINE
LYME, NH 03768

Grafton County (603) 650-1070

DR. SARAH FINK KOKKO MD

Internal Medicine

204 DARTMOUTH COLLEGE HWY
LYME, NH 03768

Grafton County (603) 650-1088

DR. KENTON EUGENE POWELL M.D.

Internal Medicine

204 DARTMOUTH COLLEGE HWY
LYME, NH 03768

Grafton County (603) 650-1070

MISS REBEKAH S SEXTON PA-C

Physician Assistant

204 DARTMOUTH COLLEGE HWY, DARTMOUTH-HITCHCOCK - LYME
LYME, NH 03768

Grafton County (603) 650-1070

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 Claudiu-gily Ionescu-tajti's NPI number?

The NPI number for Claudiu-gily Ionescu-tajti is 1265559553. It was assigned to this individual provider in the NPPES registry on March 23, 2007. The provider is also known as Dr. Gily Ionescu M.D..

Where is Claudiu-gily Ionescu-tajti located?

Claudiu-gily Ionescu-tajti practices at 204 Dartmouth College Hwy, Lyme, NH 03768. The listed phone number is (603) 650-1070.

What is Claudiu-gily Ionescu-tajti's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Claudiu-gily Ionescu-tajti enrolled in Medicare?

Yes. Claudiu-gily Ionescu-tajti 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.

Which organizations bill Medicare for Claudiu-gily Ionescu-tajti's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Claudiu-gily Ionescu-tajti reassigns Medicare benefits to 2 organizations: Dartmouth-Hitchcock Clinic (Lebanon, NH) and Mary Hitchcock Memorial Hospital (Lebanon, NH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Claudiu-gily Ionescu-tajti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Claudiu-gily Ionescu-tajti accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Providence Health Plan and Taro Health list Claudiu-gily Ionescu-tajti 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 Claudiu-gily Ionescu-tajti affiliated with any hospitals?

According to CMS data, Claudiu-gily Ionescu-tajti is affiliated with Mary Hitchcock Memorial Hospital, Cottage Hospital, Littleton Regional Healthcare, Alice Peck Day Memorial Hospital and Mt Ascutney Hospital.

When was this NPI record last updated?

The NPPES record for Claudiu-gily Ionescu-tajti was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.