Ivan Merkelj, MD
NPI 1205950177 · Geriatric Medicine (Internal Medicine) Physician · Miami, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ivan Merkelj, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Miami, FL (NPI 1205950177).
Provider details
- NPI number
- 1205950177
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME90023 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 214 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 663 | 91 |
| Amlodipine Besylate | 584 | 82 |
| Levothyroxine Sodium | 522 | 68 |
| Furosemide | 424 | 63 |
| Trazodone Hcl | 403 | 50 |
| Gabapentin | 391 | 53 |
| Pantoprazole Sodium | 356 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ivan Merkelj's NPI number?
- Ivan Merkelj's National Provider Identifier (NPI) is 1205950177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ivan Merkelj's specialty?
- Ivan Merkelj is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Ivan Merkelj located?
- Ivan Merkelj's practice location on file with NPPES is 5200 Ne 2nd Ave, Miami, FL 33137-2706.
- What is Ivan Merkelj's phone number?
- The practice phone number listed in the NPPES registry for Ivan Merkelj is (305) 795-8410.
- Does Ivan Merkelj accept Medicare?
- Ivan Merkelj is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ivan Merkelj's NPI active?
- Yes — Ivan Merkelj's NPI (1205950177) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.