Ashley Schreier
Hematology & Oncology Physician · Commack, NY
Ashley Schreier is a hematology & oncology physician with a practice address in Commack, New York, and NPI 1447782248, issued on Mar 30, 2017. Check the license (New York 304715, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ashley Schreier
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 304715 NY
Self-reported in NPPES; status is on the state search - Practice location
- 650 Commack RD, Commack, NY 11725
- Phone
- (631) 636-0590
- Enumerated
- Mar 30, 2017
- Record last updated
- Jun 16, 2026
- Medicare enrollment
- Enrolled (PECOS I20230915002648); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 650 Commack RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jahan Aghalar, M.D.Internal Medicine Physician1346474517
- Allison Allan, AGPCNP-BCAdult Health Nurse Practitioner1467846576
- Kelly Blum, NPFamily Nurse Practitioner1346192788
- Mark Bluth, MDDiagnostic Radiology Physician1306817952
- Emily Boyce, NPAdult Health Nurse Practitioner1952150864
- Roseann Caruso, NPAdult Health Nurse Practitioner1568719532
Verify Ashley Schreier 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 304715Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
161 Medicare Part D claims for 64 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Anastrozole75 claims
- Letrozole11 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: $19.74
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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
- Weill Medical College OF CornellNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashley Schreier among 1,163 hematology & oncology physician records in New York
Ashley Schreier is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 85% of them.
- NPI issued2017 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2017 · median 2002 among the 833 with a school on file
- Record last updated2026 · 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 207RH0003X 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 & Oncology Physician providers in New York
There are 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in Commack → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Jasmeet Singh, M.D.Commack, NY 117251225354103
- Wanqing Zhi, MD, PHDCommack, NY 117251548573660
- Patricia Burns, M.D.East Setauket, NY 117331881690337
- Rocco Caruso, M.D.East Setauket, NY 117331285630731
- Diane Clausen, M.D.E Setauket, NY 117331447256995
- Michael Dosik, M.D.Setauket, NY 117331164437950
- Consuelito Medrano, MDEast Setauket, NY 117331578664645
- Steven Montana, D.O.East Setauket, NY 117331225034788
Common questions
What is Ashley Schreier's NPI number?
Ashley Schreier's National Provider Identifier (NPI) is 1447782248, issued on Mar 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Schreier located?
The NPPES record lists a practice address at 650 Commack RD, Commack, NY, 11725. Phone: (631) 636-0590. Providers update this record themselves, so call before visiting.
How can I verify Ashley Schreier's license?
NPPES lists New York license number 304715, 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 Ashley Schreier prescribe under Medicare Part D?
In 2024, Ashley Schreier had 161 Medicare Part D claims for 64 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.