Gregory Dadekian, MD
NPI 1902082449 · Internal Medicine Physician · Lebanon, NH
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Dadekian, MD is a Internal Medicine Physician provider in Lebanon, NH (NPI 1902082449).
Provider details
- NPI number
- 1902082449
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 16065 (NH)
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
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,607 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 674 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 634 | $66 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 162 | $95 |
| Ultrasound of Heart Blood Flow, Valves and Chambers, Follow-Up93321 | 154 | $7 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 142 | $3 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 333 | 96 |
| Atorvastatin Calcium | 247 | 79 |
| Apixabanbrand: Eliquis | 240 | 62 |
| Amlodipine Besylate | 164 | 56 |
| Lisinopril | 135 | 40 |
| Losartan Potassium | 130 | 39 |
| Carvedilol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$184 across 2 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
Registry dates
- Enumerated
- 2008-01-15
- Last updated
- 2025-12-10
- Certified
- 2025-12-10
Frequently asked questions
- What is Gregory Dadekian's NPI number?
- Gregory Dadekian's National Provider Identifier (NPI) is 1902082449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Dadekian's specialty?
- Gregory Dadekian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Dadekian located?
- Gregory Dadekian's practice location on file with NPPES is 1 Medical Center Dr, Lebanon, NH 03756-1000.
- What is Gregory Dadekian's phone number?
- The practice phone number listed in the NPPES registry for Gregory Dadekian is (603) 650-5861.
- Does Gregory Dadekian accept Medicare?
- Gregory Dadekian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Dadekian's NPI active?
- Yes — Gregory Dadekian's NPI (1902082449) is active in the NPPES registry as of the last update on 2025-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.