Dr. William John Porter IV, MD

  • Denver, CO
  • Psychiatrist
NPI1134748858
Part D claims, 2024
115
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2020
Practice address
3520 W Oxford Ave, Denver, CO 80236
Practice phone
Call (303) 866-7080
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

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Dr. William John Porter IV is a psychiatrist in Denver, Colorado

Dr. Porter practices at Colorado Mental Health Hospital in Fort Logan in Denver, Colorado, part of State of Colorado.

Dr. Porter's NPI, 1134748858, was assigned on April 13, 2020. Dr. Porter holds Colorado license DR.0071291.

NPI and contact details
NPI enumeration date
April 13, 2020
NPI status
Active
Practice phone
(303) 866-7080
Professional email
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Personal email
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Mobile number
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Sex
Male

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

Dr. William John Porter IV practices at Colorado Mental Health Hospital in Fort Logan in Denver, Colorado

Dr. Porter's primary practice is Colorado Mental Health Hospital in Fort Logan, at 3520 W Oxford Ave, Denver, CO 80236 in Denver County. The practice phone is (303) 866-7080.

Source: Dmand AI Affiliation Data

Dr. William John Porter IV is affiliated with 1 site of care and 1 medical group

Dr. Porter's primary practice is Colorado Mental Health Hospital in Fort Logan in Denver, Colorado, part of State of Colorado. The medical group on file is WellPower.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William John Porter IV's practice

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

EHR by site
SiteEHR vendor and product
Colorado Mental Health Hospital in Fort LoganAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William John Porter IV is one of 611 psychiatrists in Colorado

Psychiatry is Dr. Porter's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Porter is licensed in Colorado.

Specialties and state licenses

  • Psychiatry, ColoradoPrimaryLicense DR.0071291 · taxonomy 2084P0800X

Psychiatrists near Dr. Porter

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 John Porter IV's patients have a median age of 42

Across all payers, Dmand AI patient panel data puts Dr. Porter's median patient age at 42, with 50% women.

Dr. Porter's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 42

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. William John Porter IV wrote 115 Medicare Part D claims in 2024

In 2024, Dr. Porter wrote 115 Medicare Part D claims. 97% of them were for generic drugs. CMS names the drug for 34 of them, across 2 drugs with 11 or more claims each, at $2,518 in total drug cost.

Part D claims, 2024115
Drugs named by CMS2
Total drug cost$2,518

Dr. Porter's Part D claims by kind of drug, 2024

  • Generic111 claims97%
  • Brand-name and other4 claims3%

Dr. Porter's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Porter's Part D claims, 2024

  • Antipsychotics, patients 65 and over17%19 of 115 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Porter

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

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Sources for Dr. William John Porter IV'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 Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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 John Porter IV

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 John Porter IV's NPI number?

Dr. William John Porter IV's NPI number is 1134748858. It was assigned on April 13, 2020, and it is active in the NPI Registry.

What kind of doctor is Dr. William John Porter IV?

Dr. William John Porter IV is a psychiatrist in Denver, Colorado. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. William John Porter IV practice?

Dr. Porter practices at 3520 W Oxford Ave, Denver, CO 80236. Dr. Porter's primary practice is Colorado Mental Health Hospital in Fort Logan in Denver, Colorado, part of State of Colorado.

What is Dr. William John Porter IV's office phone number?

The practice phone on file for Dr. Porter is (303) 866-7080.

What is Dr. William John Porter IV's medical license number?

Dr. Porter holds Colorado license DR.0071291.

Which hospitals is Dr. William John Porter IV affiliated with?

Dr. Porter practices at Colorado Mental Health Hospital in Fort Logan in Denver, Colorado.

What medical group is Dr. William John Porter IV part of?

Dr. Porter is linked to WellPower.

What drugs does Dr. William John Porter IV prescribe most?

In 2024 Medicare Part D data, Dr. Porter's most prescribed drugs by claims were Clozapine and Escitalopram Oxalate.

How long has Dr. William John Porter IV been practicing?

Dr. Porter's NPI was assigned in 2020.

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