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ROBERT I SIMPSON MD
NPI 1609973684
Internal Medicine - Addiction Medicine in Salt Lake City, UT

Active since September 20, 2006PECOS Enrolled
1133 E GILMER DR, SALT LAKE CITY, UT 84105(801) 518-8466 Get Directions Write a Review

NPPES record last updated: June 13, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Robert I Simpson Md NPPES

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

ROBERT I SIMPSON MD (NPI 1609973684) is an individual addiction medicine provider in Salt Lake City, Utah, licensed in Utah (3106175-1205) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Provo.

NPPES Registry Identity

NPI1609973684
Entity TypeIndividualMale
Primary Taxonomy207RA0401X
Provider Legal NameROBERT I SIMPSONCredential: MD
Location Address1133 E GILMER DRSalt Lake City, UT 84105-1534
Mailing Address1133 E Gilmer DrSalt Lake City, UT 84105-1534 · (801) 518-8466
Phone(801) 518-8466
Sole ProprietorYes
Enumeration DateSeptember 20, 2006
Last NPPES UpdateJune 13, 2022
NPPES CertifiedJune 13, 2022
✔ NPI 1609973684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
License✔ Licensed in UT · 3106175-1205
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 3106175-1205 (UT)
1133 E GILMER DR, Salt Lake City, UT 84105
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Secondary Practice Location 1

Location 1619 N 500 WProvo, UT 84601-1547 · Phone (801) 852-9440 · Fax (801) 852-9449

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert I Simpson 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.

Medicare Billing Reassignment

Medicare enrollment records show Robert Simpson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Peak Ent Associates
36 mi
Otolaryngology/Facial Plastic Surgery
1055 N 300 W, SUITE 401
Provo, UT 84604
  • Reassigned Medicare billing, Utah enrollment
  • 45 clinicians in this Medicare group
NPI 1346489036 (801) 357-7499

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 84105 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
$125.70 typical visit price
range $54.34 – $166.03
Typical copayment $31.42 (range $13.58 – $41.50)
Most-billed visit code 99204
Established Patient
$96.35 typical visit price
range $17.23 – $135.20
Typical copayment $24.08 (range $4.30 – $33.80)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Simpson's NPI number?

The NPI number for Robert Simpson is 1609973684. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Robert Simpson located?

Robert Simpson practices at 1133 E Gilmer Dr, Salt Lake City, UT 84105. The listed phone number is (801) 518-8466.

What is Robert Simpson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

Is Robert Simpson enrolled in Medicare?

Yes. Robert Simpson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Simpson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Simpson reassigns Medicare benefits to Peak Ent Associates (Provo, UT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Simpson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Robert Simpson was last updated on June 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.