Doctor profile · Federal record

Dr. Erik Kockenmeister

Hematology & Oncology Physician (CMS: Hematology/Oncology) · West Islip, NY

  • NPI 1558660456
  • Accepts Medicare
  • MIPS 71.2 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
111 Beach Dr Fl 2
West Islip, NY 117954929
(631) 417-8600
Additional location
896 Old Country RD
Riverhead, NY 119012107
(631) 494-5070

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
August 7, 2020
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
New York #268005

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558660456. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,076
Distinct HCPCS
8
Medicare allowed
$155,872
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 432 220 $148
99213 Established patient office or other outpatient visit, 20-29 minutes 390 223 $105
99204 New patient office or other outpatient visit, 45-59 minutes 78 78 $193
99205 New patient office or other outpatient visit, 60-74 minutes 51 51 $257
99215 Established patient office or other outpatient visit, 40-54 minutes 45 42 $208
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 40 38 $199
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 24 18 $136
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $142

In context: peer comparison

Among 2 peers in this city , average services per provider: 165. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
236
Patients
33
Total drug cost
$516,801
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 46 17 $54,901
Xarelto (Rivaroxaban) Brand 30 0 $24,761
Hydroxyurea Generic 25 0 $412
Anastrozole Generic 24 0 $326
Prochlorperazine Maleate Generic 23 16 $215
Prednisone Generic 22 0 $103
Xtandi (Enzalutamide) Brand 16 0 $226,808
Verzenio (Abemaciclib) Brand 14 0 $208,962
Amlodipine Besylate Generic 12 0 $35
Dexamethasone Generic 12 0 $167

Frequently asked questions

Auto-generated from federal data
What is Dr. Erik Kockenmeister's medical specialty?
Dr. Erik Kockenmeister practices Hematology & Oncology Physician in West Islip, NY.
Where does Dr. Erik Kockenmeister practice?
Dr. Erik Kockenmeister practices at 111 Beach Dr Fl 2, West Islip, NY 117954929. Office phone: 6314178600.
What is Dr. Erik Kockenmeister's NPI?
Dr. Erik Kockenmeister's National Provider Identifier (NPI) is 1558660456, issued by NPPES.
Does Dr. Erik Kockenmeister accept Medicare assignment?
Yes. Dr. Erik Kockenmeister accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erik Kockenmeister commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.