Joseph William Keyser, M.D.
Psychiatry Physician · Summit, NJ
Joseph William Keyser, M.D. is a psychiatry physician with a practice address in Summit, New Jersey, and NPI 1801945977, issued on Jan 9, 2007. Check the license (New Jersey 25MA03559600, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Joseph William Keyser
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 25MA03559600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 382 Springfield Ave, Summit, NJ 07901
- Phone
- (908) 277-2655
- Enumerated
- Jan 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,520 in New Jersey → Look up another NPI →
Also registered at 382 Springfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolina CanavosioClinical Social Worker1942089271
Verify Joseph William Keyser 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 25MA03559600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Joseph William Keyser among 1,520 psychiatry physician records in New Jersey
Joseph William Keyser, M.D. is one of 1,520 psychiatry physician records with a practice address in New Jersey. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 38% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 psychiatry physician records list a practice address in Summit
They are 31 of the 1,151 NPPES records with a practice address in Summit, and 1,520 psychiatry physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,520 in New Jersey → Every provider in Summit → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Rozana Alam, MDSummit, NJ 079011518932706
- Lonny Behar, MDSummit, NJ 079011265522460
- Evangelos Christodoulou, MDSummit, NJ 079011942232517
- Indra Cidambi, MDSummit, NJ 079011528097631
- Charles Ciolino, MDSummit, NJ 079011841393121
- Jayakanthi Dealwis, M.D.Summit, NJ 079011245285030
- Lauren Kaplan-Sagal, MDSummit, NJ 079011457463671
- Nora Mangunay, M.D.Summit, NJ 079011427094309
Common questions
What is Joseph William Keyser, M.D.'s NPI number?
Joseph William Keyser, M.D.'s National Provider Identifier (NPI) is 1801945977, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joseph William Keyser, M.D. located?
The NPPES record lists a practice address at 382 Springfield Ave, Summit, NJ, 07901. Phone: (908) 277-2655. Providers update this record themselves, so call before visiting.
How can I verify Joseph William Keyser, M.D.'s license?
NPPES lists New Jersey license number 25MA03559600, 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.
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.