JAMES THEODORE ENGELN (M.D.) – Emergency Medicine Physician, NPI 1124552633

JAMES THEODORE ENGELN (M.D.) is a healthcare provider. based in Denver, Colorado. specializing in EMERGENCY MEDICINE. They hold the professional credentials M.D.. They hold a License No. DR0065598 (CO). The NPI Number for JAMES THEODORE ENGELN (M.D.) is 1124552633

Main info

Male
9 Years Of Experience
Accepts Medicare Assignment
Name
JAMES THEODORE ENGELN (M.D.)
NPI
1124552633
Phone
(303) 602-5183
Address
777 BANNOCK ST
Enumeration Date
12 April 2017
Last Update Date
17 August 2021

Doctor Profile

Medical School Name
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, AURORA
Secondary Phone
8662473141
Graduation Year
2017 (9 years ago)
PAC ID
1759790124
Group Practice PAC ID
9830620459
Professional Enrollment ID
I20210514001902
Address ID
CO816575038VA180XXWXXX500
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience47
Completeness75
Years active:9State licenses:1Digital endpointsOther names

1,197 EMERGENCY MEDICINE in CO

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Provider Addresses for JAMES THEODORE ENGELN (M.D.)

  • Denver Health Medical Center, 777, Bannock Street, Lincoln Park, Denver, Denver County, Colorado, 80204, United States

    MAIL CODE 0108

    DENVER, CO 802044507

    Phone: (303) 602-5183

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2021-05-14

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
I20210514001902IEmergency MedicineCOTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99285Emergency department visit with high level of medical decision making113110$0
99284Emergency department visit with moderate level of medical decision making8280$0
View full utilization report →

Insurance plans in this area (ZIP 80204)

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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: 9830620459View full group profile
NameSpecialtyState
Emergency MedicineCO
Emergency MedicineCO
Emergency MedicineCO
Emergency MedicineUT
Emergency MedicineCO
Emergency MedicineCO
Emergency MedicineCO
Emergency MedicineCO
Emergency MedicineCO
Emergency MedicineVA

Reviews

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Frequently asked questions

Is JAMES THEODORE ENGELN (M.D.) listed with a National Provider Identifier?
Yes — JAMES THEODORE ENGELN (M.D.) has NPI 1124552633 on file in the registry.
Active or inactive — what applies to JAMES THEODORE ENGELN (M.D.)?
You should see JAMES THEODORE ENGELN (M.D.) as active in CMS-hosted NPPES data.
What area of care is associated with JAMES THEODORE ENGELN (M.D.)?
JAMES THEODORE ENGELN (M.D.)'s record emphasizes Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for JAMES THEODORE ENGELN (M.D.)?
Travel planning: use Denver, Colorado as the reference point for JAMES THEODORE ENGELN (M.D.), then confirm.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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