Merrill Krolick, D.O
NPI 1417919499 · Interventional Cardiology Physician · Largo, FL
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Merrill Krolick, D.O is a Interventional Cardiology Physician provider in Largo, FL (NPI 1417919499).
Provider details
- NPI number
- 1417919499
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- OS5078 (FL)
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
20 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
2,407 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 605 | $123 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 215 | $119 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 190 | $8 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 174 | $12 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 166 | $14 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 136 | 58 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 135 | 57 |
| Apixabanbrand: Eliquis | 125 | 49 |
| Metoprolol Succinate | 121 | 59 |
| Amlodipine Besylate | 110 | 47 |
| Rivaroxabanbrand: Xarelto | 88 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29,201 across 172 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
- 2006-04-05
- Last updated
- 2022-02-09
Frequently asked questions
- What is Merrill Krolick's NPI number?
- Merrill Krolick's National Provider Identifier (NPI) is 1417919499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Merrill Krolick's specialty?
- Merrill Krolick is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Merrill Krolick located?
- Merrill Krolick's practice location on file with NPPES is 1345 W Bay Dr, Largo, FL 33770-2282.
- What is Merrill Krolick's phone number?
- The practice phone number listed in the NPPES registry for Merrill Krolick is (727) 581-3550.
- Does Merrill Krolick accept Medicare?
- Merrill Krolick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Merrill Krolick's NPI active?
- Yes — Merrill Krolick's NPI (1417919499) is active in the NPPES registry as of the last update on 2022-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.