Jill M. Williams, MD
Psychiatry Physician · Piscataway, NJ
Jill M. Williams, MD is a psychiatry physician with a practice address in Piscataway, New Jersey, and NPI 1366542565, issued on Sep 25, 2006. Check the license (New Jersey 25MA06547000, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Jill M. Williams
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 25MA06547000 NJ
MA65470 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 671 Hoes LN, Piscataway, NJ 08854
- Phone
- (732) 235-4341
- Enumerated
- Sep 25, 2006
- Record last updated
- Aug 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (732) 235-4277
- Medicaid ID
- 8575606 NJ
- Medicare enrollment
- Enrolled (PECOS I20060111000281); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,520 in New Jersey → Look up another NPI →
Also registered at 671 Hoes LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Merleen Adegboyega, RNRegistered Nurse1033297379
- Caleb Adekanye, RNRegistered Nurse1932287216
- Frances Barnes, LPCProfessional Counselor1841378130
- Nirmal Bassi, RNRegistered Nurse1790863090
- Marta Batlle, LCSWClinical Social Worker1932287224
- Lavenda Beck, RNRegistered Nurse1700961802
Verify Jill M. Williams 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 25MA06547000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average psychiatry physician in 2024
460 Medicare Part D claims for 38 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Clonazepam62 claims
- Buprenorphine-Naloxone43 claims
- Lamotrigine43 claims
- Bupropion Xl29 claims
- Duloxetine Hcl28 claims
- Sertraline Hcl28 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.
Bills Medicare through one group practice
- Rutgers Health-Rwj Scleroderma ProgramPiscataway, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jill M. Williams among 1,520 psychiatry physician records in New Jersey
Jill M. Williams, MD 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. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 56% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1993 · median 2001 among the 697 with a school on file
- Record last updated2011 · 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).
38 psychiatry physician records list a practice address in Piscataway
They are 38 of the 1,379 NPPES records with a practice address in Piscataway, and 1,520 psychiatry physician records in New Jersey.
All 1,520 in New Jersey → Every provider in Piscataway → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Peter Aupperle, M.D.Piscataway, NJ 088541033291208
- Stuart Belenker, MDPiscataway, NJ 088541124106463
- Mona Bijlani, MDPiscataway, NJ 088541518054931
- Muhammad Ghani, MDPiscataway, NJ 088541699861443
- Lily Gutterman, MDPiscataway, NJ 088541689752925
- Najeeb Hussain, MDPiscataway, NJ 088541376626093
- Matthew Menza, MDPiscataway, NJ 088541356429633
- Theresa Miskimen, MDPiscataway, NJ 088541669550950
Common questions
What is Jill M. Williams, MD's NPI number?
Jill M. Williams, MD's National Provider Identifier (NPI) is 1366542565, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jill M. Williams, MD located?
The NPPES record lists a practice address at 671 Hoes LN, Piscataway, NJ, 08854. Phone: (732) 235-4341. Providers update this record themselves, so call before visiting.
How can I verify Jill M. Williams, MD's license?
NPPES lists New Jersey license number 25MA06547000, 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 Jill M. Williams, MD prescribe under Medicare Part D?
In 2024, Jill M. Williams, MD had 460 Medicare Part D claims for 38 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.