Doctor profile · Federal record

Dr. Neal Fischbach, MD

Hematology & Oncology Physician (CMS: Medical Oncology) · Trumbull, CT

  • NPI 1588758718
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15 Corporate Drive
Trumbull, CT 06611
(203) 459-0262
fax (203) 459-0264

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Connecticut #042999
Medicaid
CT #001429994

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588758718. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
645
Distinct HCPCS
7
Medicare allowed
$68,689
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 480 209 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 64 59 $69
99215 Established patient office or other outpatient visit, 40-54 minutes 31 24 $151
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 24 15 $126
99443 Telephone medical discussion with physician, 21-30 minutes 17 14 $102
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $183
99205 New patient office or other outpatient visit, 60-74 minutes 14 14 $191

In context: peer comparison

Among 1 peers in this city , average services per provider: 92. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 1 $27.19

By nature of payment

Food and Beverage
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,048
Patients
319
Total drug cost
$636,839
Drug Type Claims Patients Total cost
Anastrozole Generic 332 123 $9,458
Tamoxifen Citrate Generic 108 42 $3,068
Letrozole Generic 97 36 $3,854
Ozempic (Semaglutide) Brand 85 12 $86,528
Lorazepam Generic 65 14 $515
Mounjaro (Tirzepatide) Brand 43 0 $52,062
Exemestane Generic 42 15 $14,020
Gabapentin Generic 42 12 $919
Ondansetron Odt (Ondansetron) Brand 41 24 $1,192
Prochlorperazine Maleate Generic 36 24 $630

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Neal Fischbach's medical specialty?
Dr. Neal Fischbach practices Hematology & Oncology Physician in Trumbull, CT.
Where does Dr. Neal Fischbach practice?
Dr. Neal Fischbach practices at 15 Corporate Drive, Trumbull, CT 06611. Office phone: 2034590262.
What is Dr. Neal Fischbach's NPI?
Dr. Neal Fischbach's National Provider Identifier (NPI) is 1588758718, issued by NPPES.
Does Dr. Neal Fischbach accept Medicare assignment?
Yes. Dr. Neal Fischbach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Neal Fischbach 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.