Claudiu-Gily Ionescu-Tajti, M.D.
NPI 1265559553 · Internal Medicine Physician · Lyme, NH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Claudiu-Gily Ionescu-Tajti, M.D. is a Internal Medicine Physician provider in Lyme, NH (NPI 1265559553).
Provider details
- NPI number
- 1265559553
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60072805 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
282 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 114 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 83 | $93 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $66 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 21 | $14 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 14 | $30 |
Typical Medicare-allowed amounts for these services range $14–$93 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 359 | 105 |
| Atorvastatin Calcium | 322 | 110 |
| Lisinopril | 275 | 86 |
| Omeprazole | 221 | 74 |
| Gabapentin | 209 | 47 |
| Metformin Hcl | 201 | 64 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$150 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 380 Chase AveWalla Walla, WA 99362-2924Phone: (509) 897-5836Fax: (509) 897-5743
- 1111 S 2nd AveWalla Walla, WA 99362-4118Phone: (509) 522-0100Fax: (509) 527-8010
- 55 W Tietan StWalla Walla, WA 99362-4445Phone: (509) 525-3720Fax: (509) 522-0982
Registry dates
- Enumerated
- 2007-03-23
- Last updated
- 2025-12-12
- Certified
- 2025-12-12
Frequently asked questions
- What is Claudiu-Gily Ionescu-Tajti's NPI number?
- Claudiu-Gily Ionescu-Tajti's National Provider Identifier (NPI) is 1265559553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claudiu-Gily Ionescu-Tajti's specialty?
- Claudiu-Gily Ionescu-Tajti is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Claudiu-Gily Ionescu-Tajti located?
- Claudiu-Gily Ionescu-Tajti's practice location on file with NPPES is 204 Dartmouth College Hwy, Lyme, NH 03768-3236.
- What is Claudiu-Gily Ionescu-Tajti's phone number?
- The practice phone number listed in the NPPES registry for Claudiu-Gily Ionescu-Tajti is (603) 650-1070.
- Does Claudiu-Gily Ionescu-Tajti accept Medicare?
- Claudiu-Gily Ionescu-Tajti is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Claudiu-Gily Ionescu-Tajti's NPI active?
- Yes — Claudiu-Gily Ionescu-Tajti's NPI (1265559553) is active in the NPPES registry as of the last update on 2025-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.