John Gruendel, M.D.
NPI 1245201227 · Cardiovascular Disease Physician · Carmel, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Gruendel, M.D. is a Cardiovascular Disease Physician provider in Carmel, NY (NPI 1245201227).
Provider details
- NPI number
- 1245201227
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 175379 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
12,775 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 | 2,334 | $136 |
| 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 | 2,123 | $17 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,493 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 960 | $9 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 703 | $207 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 882 | 315 |
| Amlodipine Besylate | 755 | 251 |
| Rosuvastatin Calcium | 706 | 249 |
| Atorvastatin Calcium | 685 | 239 |
| Apixabanbrand: Eliquis | 634 | 200 |
| Spironolactone | 528 | 177 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-30
- Last updated
- 2016-11-17
Frequently asked questions
- What is John Gruendel's NPI number?
- John Gruendel's National Provider Identifier (NPI) is 1245201227, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gruendel's specialty?
- John Gruendel is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Gruendel located?
- John Gruendel's practice location on file with NPPES is 672 Stoneleigh Ave, Carmel, NY 10512-4634.
- What is John Gruendel's phone number?
- The practice phone number listed in the NPPES registry for John Gruendel is (945) 279-2000.
- Does John Gruendel accept Medicare?
- John Gruendel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Gruendel's NPI active?
- Yes — John Gruendel's NPI (1245201227) is active in the NPPES registry as of the last update on 2016-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.