DR. KARL R TREFFINGER (MD) – Emergency Medicine Physician, NPI 1205837333

DR. KARL R TREFFINGER (MD) is a healthcare provider. based in Denver, Colorado. specializing in EMERGENCY MEDICINE. They hold the professional credentials MD. They hold a License No. G70075 (CA). The NPI Number for DR. KARL R TREFFINGER (MD) is 1205837333

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
DR. KARL R TREFFINGER (MD)
NPI
1205837333
Phone
(303) 306-7783
Address
PO BOX 173891
Enumeration Date
10 August 2005
Last Update Date
26 April 2018

Doctor Profile

Medical School Name
HAHNEMANN UNIVERSITY COLLEGE OF MEDICINE
Secondary Phone
8887323317
Graduation Year
1986 (40 years ago)
PAC ID
4981798774
Group Practice PAC ID
6204256084
Professional Enrollment ID
I20070925000171
Address ID
AZ852970205GI4760XRDXX400
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

1,197 EMERGENCY MEDICINE in CO

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Provider Addresses for DR. KARL R TREFFINGER (MD)

  • Beet Box, 1030, East 22nd Avenue, Five Points, Denver, Denver County, Colorado, 80205, United States

    DENVER, CO 802173891

    Phone: (303) 306-7783

    Fax: (303) 306-7753

    Type: Mailing

  • Memorial Hospital Central, 1400, East Boulder Street, Colorado Springs, El Paso County, Colorado, 80909, United States

    COLORADO SPRINGS, CO 809095533

    Phone: (719) 365-5000

    Fax: (303) 306-7753

    Type: Location

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: 2007-09-25

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
I20070925000171IEmergency MedicineAZTBD

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
99284Emergency department visit with moderate level of medical decision making9489$0
99285Emergency department visit with high level of medical decision making4442$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only2725$0
View full utilization report →

Insurance plans in this area (ZIP 80217)

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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: 6204256084View full group profile
NameSpecialtyState
Emergency MedicineAZ
Emergency MedicineAZ
Emergency MedicineTX
Family PracticeAZ
Family Practice, Emergency MedicineGA
Emergency MedicineAZ
Emergency MedicineCA
Emergency MedicineAZ
Family Practice, Emergency MedicineAZ
Emergency MedicineCA

Reviews

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Frequently asked questions

What identifier follows DR. KARL R TREFFINGER (MD) across health systems?
The NPI 1205837333 uniquely identifies DR. KARL R TREFFINGER (MD) in U.S. healthcare data.
Quick check: is DR. KARL R TREFFINGER (MD) active?
Public NPPES data shows DR. KARL R TREFFINGER (MD) with an active NPI status right now.
How should patients interpret DR. KARL R TREFFINGER (MD)'s specialty?
The extract shows Emergency Medicine Physician for DR. KARL R TREFFINGER (MD). Clinical services aligned with this taxonomy classification.
Which community is linked to DR. KARL R TREFFINGER (MD)?
DR. KARL R TREFFINGER (MD) shows a connection to Denver, Colorado in registry-derived data.
Why is information missing for DR. KARL R TREFFINGER (MD)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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