DR. WILLIAM JOHN PORTER IV MD
NPI 1134748858
Psychiatry & Neurology - Psychiatry in Aurora, CO

Q: What is William Porter's NPI number?

The NPI number for William Porter is 1134748858. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Q: What is William Porter's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for William Porter was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 13, 2020PECOS Enrolled

13001 E 17TH PL, AURORA, CO 80045(303) 724-6018 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 16, 2026, Nov 24, 2020, Apr 13, 2020 (3 updates tracked since 2020).

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About Dr. William John Porter Iv Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM JOHN PORTER IV MD (NPI 1134748858) is an individual psychiatry provider in Aurora, Colorado, licensed in Colorado (DR.0071291) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1134748858

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. WILLIAM JOHN PORTER IVCredential: MD

Location Address13001 E 17TH PLAurora, CO 80045-2570

Mailing Address13001 E 17th PlAurora, CO 80045-2570 · (303) 724-6018

Phone(303) 724-6018

Sole ProprietorNo

Enumeration DateApril 13, 2020

Last NPPES UpdateMarch 16, 20263 updates tracked since enumeration

NPPES CertifiedMarch 16, 2026

✔ NPI 1134748858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CO · DR.0071291

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

13001 E 17TH PL, Aurora, CO 80045

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William John Porter Iv Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$174.82 typical visit price

range $58.06 – $174.82

Typical copayment $43.70 (range $14.51 – $43.70)

Most-billed visit code 99205

Established Patient

$72.20 typical visit price

range $18.88 – $142.79

Typical copayment $18.05 (range $4.72 – $35.69)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PIYUSH KUMAR SHARMA M.D

Student in an Organized Health Care Education/Training Program

13001 E 17TH PL, UNIVERSITY OF COLORADO SCHOOL OF MEDICINE GME
AURORA, CO 80045

Adams County (303) 724-2680

BENJAMIN ROBERT WHARTON MD

Student in an Organized Health Care Education/Training Program