John Castronovo, MD
Allergy Physician · Brooklyn, NY
John Castronovo, MD is an allergy physician with a practice address in Brooklyn, New York, and NPI 1255463600, issued on Mar 12, 2007. Check the license (New York 129083, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Castronovo
- Credential
- MD
- Primary taxonomy
- Allergy Physician 207KA0200X
- License number
- 129083 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2527 Cropsey Ave, Brooklyn, NY 11214
- Phone
- (718) 946-5802
- Enumerated
- Mar 12, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 2527 Cropsey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Mellina, RPHPharmacist1124242458
- Alfonso Morrone, RPHPharmacist1659401883
Verify John Castronovo 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 129083Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Allergy Physician providers in New York
There are 109 allergy physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other allergy physician records in New York
- Maria-Lourdes Alcasid-Escano, M.D.Riverhead, NY1750458360
- Sherry Arbisser, MDJamaica, NY1508992371
- Lev Barsky, M.D.Brooklyn, NY1073603379
- Kishan Battu, M.D.Troy, NY1659469765
- Mitchell Boxer, MDGreat Neck, NY1669472676
- Marc Braunstein, MDHewlett, NY1215358908
- Paula Brown, M.D.Fishkill, NY1205099801
- Cascya Charlot, MDBrooklyn, NY1043258726
- Dariusz Chrostowski, M.D.Watertown, NY1922100247
- Janet Claassen, MDAlbany, NY1689675605
Common questions
What is John Castronovo, MD's NPI number?
John Castronovo, MD's National Provider Identifier (NPI) is 1255463600, issued on Mar 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Castronovo, MD located?
The NPPES record lists a practice address at 2527 Cropsey Ave, Brooklyn, NY, 11214. Phone: (718) 946-5802. Providers update this record themselves, so call before visiting.
How can I verify John Castronovo, MD's license?
NPPES lists New York license number 129083, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.