Douglas Allen Tremblay, M.D.
Hematology (Internal Medicine) Physician · New York, NY
Douglas Allen Tremblay, M.D. is a hematology (internal medicine) physician with a practice address in New York, New York, and NPI 1972921807, issued on Mar 28, 2014. Check the license (New York 282022, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Douglas Allen Tremblay
- Credential
- M.D.
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- 282022 NY
Self-reported in NPPES; status is on the state search - Practice location
- 10 E 102ND St, New York, NY 10029
- Phone
- (212) 241-6756
- Enumerated
- Mar 28, 2014
- Record last updated
- Jun 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170616001384); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2014
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 161 in New York → Look up another NPI →
Also registered at 10 E 102ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rebecca AppelPhysician Assistant1063148757
- Aleksey Aronov, AGPCNP-BCAdult Health Nurse Practitioner1548616451
- Jacques Azzi, M.DMedical Oncology Physician1184036964
Verify Douglas Allen Tremblay 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 282022Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
277 Medicare Part D claims for 46 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Hydroxyurea40 claims
- Acyclovir38 claims
- Levofloxacin29 claims
- Posaconazole25 claims
- Atovaquone17 claims
- Pegasys13 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: $6,236.99
27 payments; by number, the most common kind was food and beverage; the largest payer was PharmaEssentia USA Corporation. The 721 providers of this specialty with any payment received $13,778.35 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
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Allen Tremblay among 161 hematology (internal medicine) physician records in New York
Douglas Allen Tremblay, M.D. is one of 161 hematology (internal medicine) physician records with a practice address in New York. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2014 · median 2001 among the 92 with a school on file
- Record last updated2021 · 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 207RH0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in New York
There are 161 hematology (internal medicine) physician records in New York.
All 161 in New York → Every provider in New York → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Caroline Cromwell, MDNew York, NY 100291609034354
- Max Dougherty, MD, PHDNew York, NY 100291164051637
- Colleen Edwards, MDNew York, NY 100291750304267
- Luis Isola, MDNew York, NY 100291215966023
- Adam Kittai, M.D.New York, NY 100291417214974
- Judith Lin, MDNew York, NY 100291720110695
- Angela LiuNew York, NY 100291245728120
- Daniel Nathan, MDNew York, NY 100291669976411
Common questions
What is Douglas Allen Tremblay, M.D.'s NPI number?
Douglas Allen Tremblay, M.D.'s National Provider Identifier (NPI) is 1972921807, issued on Mar 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Allen Tremblay, M.D. located?
The NPPES record lists a practice address at 10 E 102ND St, New York, NY, 10029. Phone: (212) 241-6756. Providers update this record themselves, so call before visiting.
How can I verify Douglas Allen Tremblay, M.D.'s license?
NPPES lists New York license number 282022, 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 Allen Tremblay, M.D. prescribe under Medicare Part D?
In 2024, Douglas Allen Tremblay, M.D. had 277 Medicare Part D claims for 46 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. 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.