Iris G. Udasin, MD
Occupational Medicine Physician · Piscataway, NJ
Iris G. Udasin, MD is an occupational medicine physician with a practice address in Piscataway, New Jersey, and NPI 1629114913, issued on Jan 30, 2007. Check the license (New Jersey 25MA04284500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Iris G. Udasin
- Credential
- MD
- Primary taxonomy
- Occupational Medicine Physician 2083X0100X
- License numbers
- 25MA04284500 NJ
25MA042845 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 170 Frelinghuysen RD, Piscataway, NJ 08854
- Phone
- (732) 445-0123
- Enumerated
- Jan 30, 2007
- Record last updated
- Jul 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (732) 445-3644
- Medicaid ID
- 0874400 NJ
- Entity
- Type 1 · individual
8 nearest occupational medicine physician records → All 47 in New Jersey → Look up another NPI →
Also registered at 170 Frelinghuysen RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bar BorohovGeneral Practice Physician1003505553
- Connie Chuang, M.D.Occupational Medicine Physician1275530313
- Julia Garcia, M.D.Occupational Medicine Physician1164402889
- Michael Gochfeld, MDPreventive Medicine/Occupational Environmental Medicine Physician1083768360
- Boris Kholdarov, M.D.Occupational Medicine Physician1578000519
- Howard Kipen, MDPreventive Medicine/Occupational Environmental Medicine Physician1871605006
Verify Iris G. Udasin 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 25MA04284500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average occupational medicine physician in 2024
106 Medicare Part D claims for 49 beneficiaries, against an average of 794 among the 463 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole30 claims
- Fluticasone Propionate16 claims
- Famotidine13 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.
Iris G. Udasin among 47 occupational medicine physician records in New Jersey
Iris G. Udasin, MD is one of 47 occupational medicine physician records with a practice address in New Jersey. 28% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 23% of them.
- NPI issued2007 · 23% of these records are older, 32% newer
- In a Medicare fileYes · 28% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2021 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Occupational Medicine Physician providers in New Jersey
There are 47 occupational medicine physician records in New Jersey.
All 47 in New Jersey → Every provider in Piscataway → Occupational Medicine Physician nationwide →
The 8 occupational medicine physician records with the nearest ZIP codes
- Connie Chuang, M.D.Piscataway, NJ 088541275530313
- Julia Garcia, M.D.Piscataway, NJ 088541164402889
- Boris Kholdarov, M.D.Piscataway, NJ 088541578000519
- Michael Pratt, M.D.Piscataway, NJ 088541689855769
- Timmy Thomas, M.D.Piscataway, NJ 088541508203720
- Eliot Kusnetz, M.D.Somerset, NJ 088731023187945
- Yvonne Farnacio, M.D.Iselin, NJ 088301528331022
- Cirilo Encarnacion, MDEdison, NJ 088201578788048
Common questions
What is Iris G. Udasin, MD's NPI number?
Iris G. Udasin, MD's National Provider Identifier (NPI) is 1629114913, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Iris G. Udasin, MD located?
The NPPES record lists a practice address at 170 Frelinghuysen RD, Piscataway, NJ, 08854. Phone: (732) 445-0123. Providers update this record themselves, so call before visiting.
How can I verify Iris G. Udasin, MD's license?
NPPES lists New Jersey license number 25MA04284500, 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 Iris G. Udasin, MD prescribe under Medicare Part D?
In 2024, Iris G. Udasin, MD had 106 Medicare Part D claims for 49 beneficiaries; the average among occupational medicine physician prescribers was 794. 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.