Warren Jay Bleiweiss, MD
Anesthesiology Physician · Caldwell, NJ
Warren Jay Bleiweiss, MD is an anesthesiology physician with a practice address in Caldwell, New Jersey, and NPI 1548208838, issued on Jun 2, 2006. Check the license (New Jersey 25MA05338100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Warren Jay Bleiweiss
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 25MA05338100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 29 Smull Avenue, Caldwell, NJ 07006
- Phone
- (973) 403-3334
- Enumerated
- Jun 2, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (973) 403-0102
- Medicare enrollment
- Enrolled (PECOS I20050720000543); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,714 in New Jersey → Look up another NPI →
Verify Warren Jay Bleiweiss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA05338100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average anesthesiology physician in 2024
36 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 31 claims were for opioids.
Most prescribed
- Oxycodone Hcl12 claims
- Tramadol Hcl11 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.
Warren Jay Bleiweiss among 1,714 anesthesiology physician records in New Jersey
Warren Jay Bleiweiss, MD is one of 1,714 anesthesiology physician records with a practice address in New Jersey. 76% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1983 · median 2002 among the 1,178 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in New Jersey
There are 1,714 anesthesiology physician records in New Jersey.
All 1,714 in New Jersey → Every provider in Caldwell → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Josh Rubin, M.D.West Caldwell, NJ 070061245464783
- Samuel Caruthers, M.D.Boonton, NJ 070051225034887
- Annlouise Higgins, MDBloomfield, NJ 070031114960317
- Heather Livezey, D.O.Bloomfield, NJ 070031275506685
- Randy Quesada, M.D.Bloomfield, NJ 070031578096459
- Gabor Simon, MDBloomfield, NJ 070031548351257
- Marcia Copeland, M.D.Bayonne, NJ 070021912926825
- Jordan Fersel, M.D.Bayonne, NJ 070021881685519
Common questions
What is Warren Jay Bleiweiss, MD's NPI number?
Warren Jay Bleiweiss, MD's National Provider Identifier (NPI) is 1548208838, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Warren Jay Bleiweiss, MD located?
The NPPES record lists a practice address at 29 Smull Avenue, Caldwell, NJ, 07006. Phone: (973) 403-3334. Providers update this record themselves, so call before visiting.
How can I verify Warren Jay Bleiweiss, MD's license?
NPPES lists New Jersey license number 25MA05338100, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Warren Jay Bleiweiss, MD prescribe under Medicare Part D?
In 2024, Warren Jay Bleiweiss, MD had 36 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.