Erik Kockenmeister
NPI 1558660456 · Hematology & Oncology Physician · West Islip, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erik Kockenmeister is a Hematology & Oncology Physician provider in West Islip, NY (NPI 1558660456).
Provider details
- NPI number
- 1558660456
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 268005 (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
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,664 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) |
|---|---|---|
| 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 | 679 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 653 | $146 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 87 | $191 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 61 | $253 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 55 | $192 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 80 | 36 |
| Prednisone | 58 | 17 |
| Hydroxyurea | 42 | — |
| Abiraterone Acetate | 40 | — |
| Anastrozole | 22 | — |
| Ondansetronbrand: Ondansetron Odt | 22 | 11 |
| Prochlorperazine Maleate | 20 | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 896 Old Country RdRiverhead, NY 11901-2107Phone: (631) 494-5070
Registry dates
- Enumerated
- 2011-03-18
- Last updated
- 2020-08-07
- Certified
- 2020-08-07
Frequently asked questions
- What is Erik Kockenmeister's NPI number?
- Erik Kockenmeister's National Provider Identifier (NPI) is 1558660456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erik Kockenmeister's specialty?
- Erik Kockenmeister is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Erik Kockenmeister located?
- Erik Kockenmeister's practice location on file with NPPES is 111 Beach Dr Fl 2, West Islip, NY 11795-4929.
- What is Erik Kockenmeister's phone number?
- The practice phone number listed in the NPPES registry for Erik Kockenmeister is (631) 417-8600.
- Does Erik Kockenmeister accept Medicare?
- Erik Kockenmeister is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erik Kockenmeister's NPI active?
- Yes — Erik Kockenmeister's NPI (1558660456) is active in the NPPES registry as of the last update on 2020-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.