Constantine Kashnikow, M.D.
NPI 1811956881 · Cardiovascular Disease Physician · Livingston, NJ
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Constantine Kashnikow, M.D. is a Cardiovascular Disease Physician provider in Livingston, NJ (NPI 1811956881).
Provider details
- NPI number
- 1811956881
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MA41487 (NJ)
Specialties & taxonomies
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
2,623 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 | 1,231 | $140 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 311 | $16 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 192 | $72 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 110 | $14 |
| Blood Test, Clotting Time85610 | 108 | $4 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 693 | 186 |
| Amlodipine Besylate | 563 | 166 |
| Rosuvastatin Calcium | 523 | 160 |
| Atorvastatin Calcium | 507 | 153 |
| Apixabanbrand: Eliquis | 380 | 81 |
| Losartan Potassium | 344 | 108 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$537 across 26 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
- 2006-03-20
- Last updated
- 2010-04-29
Frequently asked questions
- What is Constantine Kashnikow's NPI number?
- Constantine Kashnikow's National Provider Identifier (NPI) is 1811956881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constantine Kashnikow's specialty?
- Constantine Kashnikow is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Constantine Kashnikow located?
- Constantine Kashnikow's practice location on file with NPPES is 340 E Northfield Rd, Livingston, NJ 07039-4892.
- What is Constantine Kashnikow's phone number?
- The practice phone number listed in the NPPES registry for Constantine Kashnikow is (973) 994-0069.
- Does Constantine Kashnikow accept Medicare?
- Constantine Kashnikow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Constantine Kashnikow's NPI active?
- Yes — Constantine Kashnikow's NPI (1811956881) is active in the NPPES registry as of the last update on 2010-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.