Neal A. Fischbach, MD
Hematology & Oncology Physician · Trumbull, CT
Neal A. Fischbach, MD is a hematology & oncology physician with a practice address in Trumbull, Connecticut, and NPI 1588758718, issued on Oct 3, 2006. Check the license (Connecticut 042999, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Neal A. Fischbach
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 042999 CT
Self-reported in NPPES; status is on the state search - Practice location
- 15 Corporate Drive, Trumbull, CT 06611
- Phone
- (203) 459-0262
- Enumerated
- Oct 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 459-0264
- Medicaid ID
- 001429994 CT
- Medicare enrollment
- Enrolled (PECOS I20050726000066); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 198 in Connecticut → Look up another NPI →
Also registered at 15 Corporate Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Bedson, AUDAudiologist1467798546
- Laurie Harrold, MDHematology & Oncology Physician1932293164
- Susan Krutt, AU.DAudiologist1205172442
- Jerry Malefatto, MDHematology & Oncology Physician1114011343
Verify Neal A. Fischbach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 042999Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average hematology & oncology physician in 2024
1,900 Medicare Part D claims for 330 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 123 claims were for opioids.
Most prescribed
- Anastrozole328 claims
- Letrozole117 claims
- Tamoxifen Citrate107 claims
- Lorazepam74 claims
- Kisqali65 claims
- Exemestane56 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $27.19
1 payment: food and beverage; the largest payer was Janssen Biotech, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Yale UniversityTrumbull, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neal A. Fischbach among 198 hematology & oncology physician records in Connecticut
Neal A. Fischbach, MD is one of 198 hematology & oncology physician records with a practice address in Connecticut. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 52% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1995 · median 2003 among the 139 with a school on file
- Record last updated2007 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Connecticut
There are 198 hematology & oncology physician records in Connecticut.
All 198 in Connecticut → Every provider in Trumbull → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Daniel Boxer, MDTrumball, CT 066111043479090
- Laurie Harrold, MDTrumbull, CT 066111932293164
- Jerry Malefatto, MDTrumbull, CT 066111114011343
- David Witt, M.D.Trumbull, CT 066111487652665
- Amy Gates, MDBridgeport, CT 066101477190346
- Alain Mina, MDNew Haven, CT 065201881078319
- John RobertsNew Haven, CT 065201992887491
- Jennifer Afranie-Sakyi, MDNew Haven, CT 065191902369358
Common questions
What is Neal A. Fischbach, MD's NPI number?
Neal A. Fischbach, MD's National Provider Identifier (NPI) is 1588758718, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Neal A. Fischbach, MD located?
The NPPES record lists a practice address at 15 Corporate Drive, Trumbull, CT, 06611. Phone: (203) 459-0262. Providers update this record themselves, so call before visiting.
How can I verify Neal A. Fischbach, MD's license?
NPPES lists Connecticut license number 042999, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Neal A. Fischbach, MD prescribe under Medicare Part D?
In 2024, Neal A. Fischbach, MD had 1,900 Medicare Part D claims for 330 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Neal A. Fischbach, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.