Conrad Fischer, M.D.
Internal Medicine Physician · Brooklyn, NY
Conrad Fischer, M.D. is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1871513846, issued on Jul 20, 2006. Check the license (New York 182991, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Conrad Fischer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 182991 NY
Self-reported in NPPES; status is on the state search - Practice location
- 450 Clarkson Ave, Brooklyn, NY 11203
- Phone
- (718) 270-2030
- Enumerated
- Jul 20, 2006
- Record last updated
- Jan 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080716000619); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 1988
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 450 Clarkson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sana Abbas, DOStudent in an Organized Health Care Education/Training Program1629863212
- Rabab Abdalla, MDStudent in an Organized Health Care Education/Training Program1780325621
- Marie Abdallah, MDStudent in an Organized Health Care Education/Training Program1073743639
- Ahmed AbdelfattahStudent in an Organized Health Care Education/Training Program1508708959
- Haram AbdelmajidStudent in an Organized Health Care Education/Training Program1093348054
- Sara AbdelrahamanStudent in an Organized Health Care Education/Training Program1659143568
Verify Conrad 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 182991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,609 Medicare Part D claims for 60 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Biktarvy160 claims
- Amlodipine Besylate92 claims
- Atorvastatin Calcium84 claims
- Lisinopril56 claims
- Gabapentin50 claims
- Nifedipine Er43 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.
Industry payments in 2024: $299.15
13 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Interfaith Professional Physician Services PCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Conrad Fischer among 12,067 internal medicine physician records in New York
Conrad Fischer, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1988 · median 2002 among the 7,221 with a school on file
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,497 internal medicine physician records list a practice address in Brooklyn
They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Brooklyn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Pascal Imperato, M.D.Brooklyn, NY 112031750372413
- Nagendra Katari, MDBrooklyn, NY 112031730167735
- Bibi Khartoon, M.D.Brooklyn, NY 112031700870482
- Nisar Khwaja, MDBrooklyn, NY 112031841277365
- Rovie Theresa Mesola, MDBrooklyn, NY 112031447245634
Common questions
What is Conrad Fischer, M.D.'s NPI number?
Conrad Fischer, M.D.'s National Provider Identifier (NPI) is 1871513846, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Conrad Fischer, M.D. located?
The NPPES record lists a practice address at 450 Clarkson Ave, Brooklyn, NY, 11203. Phone: (718) 270-2030. Providers update this record themselves, so call before visiting.
How can I verify Conrad Fischer, M.D.'s license?
NPPES lists New York license number 182991, 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 Conrad Fischer, M.D. prescribe under Medicare Part D?
In 2024, Conrad Fischer, M.D. had 1,609 Medicare Part D claims for 60 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.