Douglas Mathern, MD/PHD
Emergency Medicine Physician · Brooklyn, NY
Douglas Mathern, MD/PHD is an emergency medicine physician with a practice address in Brooklyn, New York, and NPI 1669037891, issued on May 2, 2019. Check the license (New York 327703-01, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Douglas Mathern
- Credential
- MD/PHD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 327703-01 NY
MD2023-1184 NM
Self-reported in NPPES; status is on the state search - Practice location
- 2601 Ocean Pkwy, Brooklyn, NY 11235
- Phone
- (718) 616-3000
- Enumerated
- May 2, 2019
- Record last updated
- Jul 31, 2024
- Medicare enrollment
- Enrolled (PECOS I20240403003721); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 2601 Ocean Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Douglas Mathern 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 327703-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average emergency medicine physician in 2024
110 Medicare Part D claims for 81 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin15 claims
- Ondansetron Odt15 claims
- Ibuprofen12 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.
Bills Medicare through one group practice
- Physician Affiliate Group OF New York PCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Mathern among 5,025 emergency medicine physician records in New York
Douglas Mathern, MD/PHD 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 2019, is newer than 79% of them.
- NPI issued2019 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2019 · median 2013 among the 3,232 with a school on file
- Record last updated2024 · 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).
719 emergency medicine physician records list a practice address in Brooklyn
They are 719 of the 64,057 NPPES records with a practice address in Brooklyn, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Brooklyn → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Bayani BascaraBrooklyn, NY 112351659391969
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- Joseph BeacherBrooklyn, NY 112351922021609
- Annada Das, M.D.Brooklyn, NY 112351275556862
- Jordan Jeong, D.OBrooklyn, NY 112351225392657
- Anton Klochkov, D.O.Brooklyn, NY 112351073928750
- Ludmila Levin, MDBrooklyn, NY 112351740578624
- Youstina Michael, D.O.Brooklyn, NY 112351275947129
Common questions
What is Douglas Mathern, MD/PHD's NPI number?
Douglas Mathern, MD/PHD's National Provider Identifier (NPI) is 1669037891, issued on May 2, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Mathern, MD/PHD located?
The NPPES record lists a practice address at 2601 Ocean Pkwy, Brooklyn, NY, 11235. Phone: (718) 616-3000. Providers update this record themselves, so call before visiting.
How can I verify Douglas Mathern, MD/PHD's license?
NPPES lists New York license number 327703-01, 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 Douglas Mathern, MD/PHD prescribe under Medicare Part D?
In 2024, Douglas Mathern, MD/PHD had 110 Medicare Part D claims for 81 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.