DR. JOHN E LILJENQUIST (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1619977600

DR. JOHN E LILJENQUIST (MD) is a healthcare provider. based in Idaho falls, Idaho. specializing in ENDOCRINOLOGY, INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. M4220 (ID). The NPI Number for DR. JOHN E LILJENQUIST (MD) is 1619977600

Main info

Male
59 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN E LILJENQUIST (MD)
NPI
1619977600
Phone
(208) 522-2996
Address
3910 WASHINGTON PKWY
Enumeration Date
30 July 2005
Last Update Date
2 June 2010

Doctor Profile

Medical School Name
GEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2085231122
Graduation Year
1967 (59 years ago)
PAC ID
3870558463
Group Practice PAC ID
5890750483
Professional Enrollment ID
I20100120000865
Address ID
ID834047596ID3910XPKWY300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

16 ENDOCRINOLOGY in ID

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Provider Addresses for DR. JOHN E LILJENQUIST (MD)

  • 3910, Washington Parkway, Idaho Falls, Bonneville County, Idaho, 83404, United States

    IDAHO FALLS, ID 834047596

    Phone: (208) 522-2996

    Fax: (208) 523-3318

    Type: Mailing

  • 2220, East 25th Street, Idaho Falls, Bonneville County, Idaho, 83404, United States

    IDAHO FALLS, ID 834047542

    Phone: (208) 522-2996

    Fax: (208) 523-6025

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 5 Open Payments records for all available years, with a total value of $91.

Total Amount is formed as General ($91) + Research ($0) + Ownership ($0) = $91.

Last reported payment date: 2024-10-10 • Largest payer in this snapshot: Lilly USA, LLC ($21).

Total Amount

$91

General + Research + Ownership

Payments

5

Total payment records

General Amount

$91

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-10

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-01-20

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100120000865IEndocrinologyIDTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 83404)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5890750483View full group profile
NameSpecialtyState
Nurse PractitionerPA
Registered Dietitian Or Nutrition ProfessionalID
E N D O C R I N O L O G YID
Registered Dietitian Or Nutrition ProfessionalID
Nurse PractitionerID
-ID
Registered Dietitian Or Nutrition ProfessionalID
Nurse PractitionerID
Registered Dietitian Or Nutrition ProfessionalID
Registered Dietitian Or Nutrition ProfessionalID

Reviews

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Frequently asked questions

Where can patients find DR. JOHN E LILJENQUIST (MD)'s NPI?
You can confirm DR. JOHN E LILJENQUIST (MD) with NPI 1619977600; it appears in the national provider directory.
Is DR. JOHN E LILJENQUIST (MD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What field does DR. JOHN E LILJENQUIST (MD) work in?
You can think of DR. JOHN E LILJENQUIST (MD) as practicing within Endocrinology, Diabetes & Metabolism Physician. Clinical services aligned with this taxonomy classification.
What location metadata exists for DR. JOHN E LILJENQUIST (MD)?
The page summarizes Idaho Falls, Idaho for DR. JOHN E LILJENQUIST (MD); expand the address list for detail.
How can I contact DR. JOHN E LILJENQUIST (MD)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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