Thomas Fischer, M.D.
Emergency Medicine Physician · Smithtown, NY
Thomas Fischer, M.D. is an emergency medicine physician with a practice address in Smithtown, New York, and NPI 1437187101, issued on Jun 29, 2006. Check the license (New York 164238, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Thomas Fischer
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 164238 NY
Self-reported in NPPES; status is on the state search - Practice location
- 519 W Jericho Tpke, Smithtown, NY 11787
- Phone
- (631) 360-5900
- Enumerated
- Jun 29, 2006
- Record last updated
- Dec 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (631) 360-9403
- Medicaid ID
- 01870415 NY
- Medicare enrollment
- Enrolled (PECOS I20100909000600); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1984
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 519 W Jericho Tpke
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Arzt, DOEmergency Medicine Physician1184646176
- Colleen Coleman-Spiciati, PAPhysician Assistant1659318947
- Paolo Coppola, MDEmergency Medicine Physician1114970753
- Richard Goldstein, MDEmergency Medicine Physician1669514147
- Mary McBridePhysician Assistant1619067543
- Sandra Picone, MDEmergency Medicine Physician1760413934
Verify Thomas Fischer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 164238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average emergency medicine physician in 2024
903 Medicare Part D claims for 619 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Amoxicillin134 claims
- Doxycycline Hyclate110 claims
- Azithromycin82 claims
- Azelastine Hcl77 claims
- Prednisone58 claims
- Nitrofurantoin Mono-Macro53 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): 76.5 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: $126.62
1 payment: food and beverage; the largest payer was Anika Therapeutics, Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- City Medical OF Upper East Side PLLCSmithtown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Fischer among 5,025 emergency medicine physician records in New York
Thomas Fischer, M.D. is one of 5,025 emergency medicine physician records with a practice address in New York. 86% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 72% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1984 · median 2013 among the 3,232 with a school on file
- Record last updated2019 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in New York
There are 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Smithtown → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Sarah Arzt, DOSmithtown, NY 117871184646176
- Joshua Bozek, D.O.Smithtown, NY 117871063672020
- Paolo Coppola, MDSmithtown, NY 117871114970753
- Rodrigo Delrosario, M.D.Smithtown, NY 117871285705723
- William Flader, M.D.Smithtown, NY 117871487678991
- Richard Goldstein, MDSmithtown, NY 117871669514147
- Beth Hayes, D.O.Smithtown, NY 117871336307602
- Courtney Kennedy, DOSmithtown, NY 117871215564604
Common questions
What is Thomas Fischer, M.D.'s NPI number?
Thomas Fischer, M.D.'s National Provider Identifier (NPI) is 1437187101, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Fischer, M.D. located?
The NPPES record lists a practice address at 519 W Jericho Tpke, Smithtown, NY, 11787. Phone: (631) 360-5900. Providers update this record themselves, so call before visiting.
How can I verify Thomas Fischer, M.D.'s license?
NPPES lists New York license number 164238, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Fischer, M.D. prescribe under Medicare Part D?
In 2024, Thomas Fischer, M.D. had 903 Medicare Part D claims for 619 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Thomas Fischer, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.5 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.