Kenneth W. Willis, M.D.
Psychiatry Physician · Skillman, NJ
Kenneth W. Willis, M.D. is a psychiatry physician with a practice address in Skillman, New Jersey, and NPI 1356431696, issued on Oct 16, 2006. Check the license (New Jersey 25MA04067300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Kenneth W. Willis
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 25MA04067300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 168 Tamarack Cir, Skillman, NJ 08558
- Phone
- (609) 497-1560
- Enumerated
- Oct 16, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 3939901 NJ
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,520 in New Jersey → Look up another NPI →
Verify Kenneth W. Willis 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 25MA04067300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average psychiatry physician in 2024
111 Medicare Part D claims for 11 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluoxetine Hcl14 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.
Kenneth W. Willis among 1,520 psychiatry physician records in New Jersey
Kenneth W. Willis, 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. 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 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).
6 psychiatry physician records list a practice address in Skillman
They are 6 of the 153 NPPES records with a practice address in Skillman, and 1,520 psychiatry physician records in New Jersey.
All 1,520 in New Jersey → Every provider in Skillman → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jennifer Dismukes, D.O.Skillman, NJ 085581396818076
- Robert Harman, M.D.Skillman, NJ 085581376914382
- Arnaldo Negron, MDSkillman, NJ 085581659488138
- Yitzhak Shnaps, MDSkillman, NJ 085581275757171
- Kurt Stuebben, M.D.Skillman, NJ 085581356361133
- Peter CristStockton, NJ 085591790139566
- Earle Bain, M.D.Titusville, NJ 085601619943065
- Carla Maria Canuso, M.D.Titusville, NJ 085601952348914
Common questions
What is Kenneth W. Willis, M.D.'s NPI number?
Kenneth W. Willis, M.D.'s National Provider Identifier (NPI) is 1356431696, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth W. Willis, M.D. located?
The NPPES record lists a practice address at 168 Tamarack Cir, Skillman, NJ, 08558. Phone: (609) 497-1560. Providers update this record themselves, so call before visiting.
How can I verify Kenneth W. Willis, M.D.'s license?
NPPES lists New Jersey license number 25MA04067300, 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 Kenneth W. Willis, M.D. prescribe under Medicare Part D?
In 2024, Kenneth W. Willis, M.D. had 111 Medicare Part D claims for 11 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.