Barbara L. Seifert, MD
Pediatric Cardiology Physician · Smithtown, NY
Barbara L. Seifert, MD is a pediatric cardiology physician with a practice address in Smithtown, New York, and NPI 1609846765, issued on Jan 23, 2006. Check the license (New York 1842731, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Barbara L. Seifert
- Credential
- MD
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License number
- 1842731 NY
Self-reported in NPPES; status is on the state search - Practice location
- 285 Middle Country RD, Smithtown, NY 11787
- Phone
- (631) 979-4541
- Enumerated
- Jan 23, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (631) 979-4546
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 246 in New York → Look up another NPI →
Also registered at 285 Middle Country RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deepa Aravind, M.DEndocrinology, Diabetes & Metabolism Physician1669677332
- Harrry Boutis, DDSDentist1497949853
- Emily Cullen, LMSWSocial Worker1427744473
- Jillian FitzpatrickSocial Worker1821716036
- Muhammad Khan, MDPain Medicine (Physical Medicine & Rehabilitation) Physician1104893619
- Jessica Kramer, MDEndocrinology, Diabetes & Metabolism Physician1275722563
Verify Barbara L. Seifert 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 1842731Check 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 pediatric cardiology physician in 2024
38 Medicare Part D claims, against an average of 74 among the 518 providers of this specialty who prescribed in Part D.
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.
Barbara L. Seifert among 246 pediatric cardiology physician records in New York
Barbara L. Seifert, MD is one of 246 pediatric cardiology physician records with a practice address in New York. 67% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in New York
There are 246 pediatric cardiology physician records in New York.
All 246 in New York → Every provider in Smithtown → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Ken-Michael Bayle, D.O.Stony Brook, NY 117941356683437
- Peter Morelli, M.D.Stony Brook, NY 117941245272491
- Josiah Penalver, MDStony Brook, NY 117941669662417
- Barry Goldberg, M.D.West Islip, NY 117951528063344
- Thomas Biancaniello, M.D.Nesconset, NY 117671407899388
- Milton Reitman, M.D.Dix Hills, NY 117461124007281
- Stuart Holzer, M.D.East Setauket, NY 117331053572404
- James Nielsen, M.D.East Setauket, NY 117331669432266
Common questions
What is Barbara L. Seifert, MD's NPI number?
Barbara L. Seifert, MD's National Provider Identifier (NPI) is 1609846765, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara L. Seifert, MD located?
The NPPES record lists a practice address at 285 Middle Country RD, Smithtown, NY, 11787. Phone: (631) 979-4541. Providers update this record themselves, so call before visiting.
How can I verify Barbara L. Seifert, MD's license?
NPPES lists New York license number 1842731, 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 Barbara L. Seifert, MD prescribe under Medicare Part D?
In 2024, Barbara L. Seifert, MD had 38 Medicare Part D claims; the average among pediatric cardiology physician prescribers was 74. 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.