Dr. William P. Hayes, MD

  • Princeton, NJ
  • Psychiatrist
NPI1881716801
Part D claims, 2020
22
Industry payments
$941
Affiliated sites
1
Medical group
1
State license
1
Practice address
707 Alexander Road Building 2 Suite 202 Suite 202, Princeton, NJ 08540
Practice phone
Call (609) 419-0400
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Alexander Road Associates In Psychiatry Psychology & Counseling

Behavioral health practice · Princeton, New Jersey

See all 2 affiliations

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Dr. William P. Hayes is a psychiatrist in Princeton, New Jersey

Dr. Hayes practices at Alexander Road Associates In Psychiatry Psychology & Counseling in Princeton, New Jersey.

Dr. Hayes' NPI, 1881716801, was assigned on April 3, 2007. Dr. Hayes holds New Jersey license 25MA04782500.

NPI and contact details
NPI enumeration date
April 3, 2007
NPI status
Active
Practice phone
(609) 419-0400
Professional email
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Personal email
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Mobile number
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Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William P. Hayes practices at Alexander Road Associates in Psychiatry Psychology & Counseling in Princeton, New Jersey

Dr. Hayes' primary practice is Alexander Road Associates in Psychiatry Psychology & Counseling, at 707 Alexander Road Building 2 Suite 202 Suite 202, Princeton, NJ 08540. The practice phone is (609) 419-0400.

  • Alexander Road Associates in Psychiatry Psychology & Counseling
    707 Alexander Road Building 2 Suite 202 Suite 202, Princeton, NJ 08540Phone(609) 419-0400

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William P. Hayes is affiliated with 1 site of care and 1 medical group

Dr. Hayes' primary practice is Alexander Road Associates In Psychiatry Psychology & Counseling in Princeton, New Jersey. Dmand AI also links Dr. Hayes to 1 medical group, named with a free account.

Alexander Road Associates In Psychiatry Psychology & CounselingBehavioral health practice · Princeton, New JerseyPrimary
1 medical groupName with a free account
See all 2 affiliations for Dr. Hayes

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. William P. Hayes' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hayes practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Alexander Road Associates In Psychiatry Psychology & CounselingAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William P. Hayes is one of 1,216 psychiatrists in New Jersey

Psychiatry is Dr. Hayes' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Hayes is licensed in New Jersey.

Specialties and state licenses

  • Psychiatry, New JerseyPrimaryLicense 25MA04782500 · taxonomy 2084P0800X

Psychiatrists near Dr. Hayes

Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William P. Hayes wrote 22 Medicare Part D claims in 2020

In 2020, Dr. Hayes wrote 22 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $103 in total drug cost. In 2017, CMS named 224 claims across 12 drugs.

Part D claims, 202022
Drugs named by CMS1
Total drug cost$103

Dr. Hayes' most prescribed drugs by claims, 2020

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2017 to 2020

  • 2017
  • 2020
Claims for drugs CMS names
2017: 2242020: 2290%

Drugs named by CMS: 1 in 2020, 12 in 2017.

See all prescribing by Dr. Hayes

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. William P. Hayes received $941 in industry payments from 2016 to 2021

CMS Open Payments shows 61 general payments to Dr. Hayes from 16 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Lundbeck LLC paid the most, $217.

General payments to Dr. Hayes by program year, 2016 to 2021

Companies that paid Dr. Hayes the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Hayes

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. William P. Hayes's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William P. Hayes

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William P. Hayes' NPI number?

Dr. William P. Hayes' NPI number is 1881716801. It was assigned on April 3, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. William P. Hayes?

Dr. William P. Hayes is a psychiatrist in Princeton, New Jersey. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. William P. Hayes practice?

Dr. Hayes practices at 707 Alexander Road Building 2 Suite 202 Suite 202, Princeton, NJ 08540. Dr. Hayes' primary practice is Alexander Road Associates In Psychiatry Psychology & Counseling in Princeton, New Jersey. Dmand AI also links Dr. Hayes to 1 medical group.

What is Dr. William P. Hayes' office phone number?

The practice phone on file for Dr. Hayes is (609) 419-0400.

What is Dr. William P. Hayes' medical license number?

Dr. Hayes holds New Jersey license 25MA04782500.

What drugs does Dr. William P. Hayes prescribe most?

In 2020 Medicare Part D data, Dr. Hayes' most prescribed drugs by claims were Clonazepam.

Has Dr. William P. Hayes received payments from drug or device companies?

CMS Open Payments shows $941 in general payments to Dr. Hayes from 16 companies from 2016 to 2021. The largest total came from Lundbeck LLC.

How long has Dr. William P. Hayes been practicing?

Dr. Hayes' NPI was assigned in 2007.

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