Nathan Kruger, M.D.
NPI 1801992417 · Cardiovascular Disease Physician · North Haven, CT
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Kruger, M.D. is a Cardiovascular Disease Physician provider in North Haven, CT (NPI 1801992417).
Provider details
- NPI number
- 1801992417
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 043929 (CT)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,202 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 716 | $99 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 351 | $8 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 340 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 321 | $84 |
| Nuclear Medicine Studies of Heart Muscle at Rest and With Stress and Spect78452 | 107 | $105 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,316 | 402 |
| Rosuvastatin Calcium | 1,304 | 421 |
| Ezetimibe | 1,132 | 363 |
| Losartan Potassium | 711 | 225 |
| Metoprolol Succinate | 671 | 201 |
| Amlodipine Besylate | 616 | 199 |
| Carvedilol | 599 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-15
- Last updated
- 2013-02-27
Frequently asked questions
- What is Nathan Kruger's NPI number?
- Nathan Kruger's National Provider Identifier (NPI) is 1801992417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Kruger's specialty?
- Nathan Kruger is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Kruger located?
- Nathan Kruger's practice location on file with NPPES is 2 Devine Street, North Haven, CT 06473-2193.
- What is Nathan Kruger's phone number?
- The practice phone number listed in the NPPES registry for Nathan Kruger is (203) 789-2272.
- Does Nathan Kruger accept Medicare?
- Nathan Kruger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Kruger's NPI active?
- Yes — Nathan Kruger's NPI (1801992417) is active in the NPPES registry as of the last update on 2013-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.