DR. THOMAS ALLEN CALIFF (M.D.) – Emergency Medicine Physician, NPI 1992167001

DR. THOMAS ALLEN CALIFF (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. DR.0061456 (CO). The NPI Number for DR. THOMAS ALLEN CALIFF (M.D.) is 1992167001

Main info

Male
10 Years Of Experience
Accepts Medicare Assignment
Name
DR. THOMAS ALLEN CALIFF (M.D.)
NPI
1992167001
Phone
(303) 602-5183
Address
777 BANNOCK ST
Enumeration Date
28 March 2016
Last Update Date
17 February 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3309254199
Graduation Year
2016 (10 years ago)
PAC ID
6103258348
Group Practice PAC ID
2466711536
Professional Enrollment ID
I20191108002747
Address ID
CO802243012DE7000XAVEX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience49
Completeness75
Years active:10State licenses:1Digital endpointsOther names

1,197 EMERGENCY MEDICINE in CO

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Provider Addresses for DR. THOMAS ALLEN CALIFF (M.D.)

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

    MC 0108

    DENVER, CO 802044507

    Phone: (303) 602-5183

    Type: Mailing

  • PO BOX 3699

    BRECKENRIDGE, CO 804243699

    Phone: (919) 368-7046

    Type: Mailing

  • 340 PEAK ONE DRIVE

    FRISCO, CO 80443

    Phone: (970) 668-8123

    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: 2019-11-08

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
I20191108002747IEmergency 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 making6564$0
99284Emergency department visit with moderate level of medical decision making6464$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only3734$0
99204New patient office or other outpatient visit, 45-59 minutes2525$0
99291Critical care, first 30-74 minutes2020$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: 2466711536View full group profile
NameSpecialtyState
Emergency MedicineFL
Emergency MedicineCO
Emergency MedicineCO
-CO
Emergency MedicineIL
Emergency MedicineCO
-VA
Emergency MedicineCA
Emergency MedicineMA
-CO

Reviews

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Frequently asked questions

What is DR. THOMAS ALLEN CALIFF (M.D.)'s NPI number?
DR. THOMAS ALLEN CALIFF (M.D.)'s NPI is 1992167001 — the number used across U.S. healthcare to identify this provider.
Would DR. THOMAS ALLEN CALIFF (M.D.) appear as active to a payer?
You can treat DR. THOMAS ALLEN CALIFF (M.D.) as active for directory purposes; confirm clinical privileges separately.
What kind of doctor is DR. THOMAS ALLEN CALIFF (M.D.)?
DR. THOMAS ALLEN CALIFF (M.D.) is associated with Emergency Medicine Physician in the directory — Clinical services aligned with this taxonomy classification.
Is DR. THOMAS ALLEN CALIFF (M.D.) associated with Denver?
Public fields place DR. THOMAS ALLEN CALIFF (M.D.) around Denver, Colorado. Always confirm the exact site before visiting.
Can I trust this NPI listing for DR. THOMAS ALLEN CALIFF (M.D.)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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