DR. JOHN E LILJENQUIST MD
NPI 1619977600
Internal Medicine - Endocrinology, Diabetes & Metabolism in Idaho Falls, ID

Q: What is John Liljenquist's NPI number?

The NPI number for John Liljenquist is 1619977600. It was assigned to this individual provider in the NPPES registry on July 30, 2005.

Q: What is John Liljenquist's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for John Liljenquist was last updated on June 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since July 30, 2005PECOS Enrolled

2220 E 25TH ST, IDAHO FALLS, ID 83404(208) 522-2996(208) 523-6025 Get Directions Write a Review

NPPES record last updated: June 2, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. John E Liljenquist Md NPPES

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

DR. JOHN E LILJENQUIST MD (NPI 1619977600) is an individual endocrinology, diabetes & metabolism provider in Idaho Falls, Idaho, licensed in Idaho (M4220) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619977600

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameDR. JOHN E LILJENQUISTCredential: MD

Location Address2220 E 25TH STIdaho Falls, ID 83404-7542

Mailing Address3910 Washington PkwyIdaho Falls, ID 83404-7596 · (208) 522-2996 · Fax (208) 523-3318

Phone(208) 522-2996

Fax(208) 523-6025

Sole ProprietorNo

Enumeration DateJuly 30, 2005

Last NPPES UpdateJune 2, 2010

✔ NPI 1619977600 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in ID · M4220

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

2220 E 25TH ST, Idaho Falls, ID 83404

Open in Google Maps ↗

Other Identifiers 8

Other34512DE · Bluecross Of Idaho

Medicare UPINB02635ID

Other25852ID · Blueshield Of Idaho

Medicare ID-Type Unspecified1113732ID

Other804012300ID · Healthy Connections

Medicaid002530600ID

Other113798100ID · Wyoming Consultec Eds

Other110008760ID · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare, Select Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John E Liljenquist 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 John Liljenquist reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rocky Mountain Diabetes And Osteoporosis Center PA

1.0 mi

Endocrinology, Diabetes & Metabolism

3910 WASHINGTON PKWY
Idaho Falls, ID 83404

Reassigned Medicare billing, Idaho enrollment
17 clinicians in this Medicare group

NPI 1336220243 (208) 522-2996

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 83404 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

$121.27 typical visit price

range $52.44 – $160.17

Typical copayment $30.31 (range $13.11 – $40.04)

Most-billed visit code 99204

Established Patient

$93.26 typical visit price

range $16.68 – $130.93

Typical copayment $23.31 (range $4.17 – $32.73)

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

4 suppliers60 claims60 services$192.37 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

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

REBECCA T SULIK

Dietitian, Registered (Nutrition, Metabolic)