Mark Lieb, MD
NPI 1619921749 · Cardiovascular Disease Physician · Mount Kisco, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Lieb, MD is a Cardiovascular Disease Physician provider in Mount Kisco, NY (NPI 1619921749).
Provider details
- NPI number
- 1619921749
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 180753 (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
5,145 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,198 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,095 | $145 |
| 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 | 868 | $18 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 390 | $226 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 369 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,183 | 367 |
| Metoprolol Succinate | 811 | 266 |
| Apixabanbrand: Eliquis | 736 | 197 |
| Rosuvastatin Calcium | 698 | 227 |
| Amlodipine Besylate | 588 | 176 |
| Ezetimibe | 567 | 193 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-22
- Last updated
- 2016-11-15
Frequently asked questions
- What is Mark Lieb's NPI number?
- Mark Lieb's National Provider Identifier (NPI) is 1619921749, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lieb's specialty?
- Mark Lieb is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Lieb located?
- Mark Lieb's practice location on file with NPPES is 90 S Bedford Rd, Mount Kisco, NY 10549-3412.
- What is Mark Lieb's phone number?
- The practice phone number listed in the NPPES registry for Mark Lieb is (914) 241-1050.
- Does Mark Lieb accept Medicare?
- Mark Lieb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Lieb's NPI active?
- Yes — Mark Lieb's NPI (1619921749) is active in the NPPES registry as of the last update on 2016-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.