JOHN FULLERTON BARRETT (M.D.) – Hospitalist Physician, NPI 1790772911

JOHN FULLERTON BARRETT (M.D.) is a healthcare provider. based in Greenwood village, Colorado. specializing in INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 37977 (CO). The NPI Number for JOHN FULLERTON BARRETT (M.D.) is 1790772911

Main info

Male
30 Years Of Experience
Accepts Medicare Assignment
Name
JOHN FULLERTON BARRETT (M.D.)
NPI
1790772911
Phone
(303) 745-0000
Address
5200 DTC PKWY
Enumeration Date
3 October 2005
Last Update Date
10 May 2019

Doctor Profile

Medical School Name
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Secondary Phone
3037450000
Graduation Year
1996 (30 years ago)
PAC ID
0446220230
Group Practice PAC ID
7315851953
Professional Enrollment ID
I20040729000052
Address ID
CO801111634GR7100XAVEX402
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

2,994 INTERNAL MEDICINE in CO

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Provider Addresses for JOHN FULLERTON BARRETT (M.D.)

  • 5200, DTC Parkway, Denver Tech Center, Greenwood Village, Arapahoe County, Colorado, 80111, United States

    SUITE 400

    GREENWOOD VILLAGE, CO 801112719

    Phone: (303) 745-0000

    Fax: (303) 708-1834

    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: 2004-07-29

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
I20040729000052IInternal 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
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes22319$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes1111$0
View full utilization report →

Insurance plans in this area (ZIP 80111)

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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: 7315851953View full group profile
NameSpecialtyState
-CO
Internal MedicineCO
-CO
Internal MedicineCO
Hospitalist, Internal MedicineCO
Hospitalist, Internal MedicineCO
Critical Care (Intensivists), Internal MedicineCO
Hospitalist, Osteopathic Manipulative Medicine, Family PracticeCO
Internal MedicineCO
Pulmonary Disease, Critical Care (Intensivists)PA

Reviews

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Frequently asked questions

How do payers reference JOHN FULLERTON BARRETT (M.D.)?
For JOHN FULLERTON BARRETT (M.D.), use NPI 1790772911 as the unique 10-digit identifier.
Is there an active status for JOHN FULLERTON BARRETT (M.D.)?
For scheduling context, JOHN FULLERTON BARRETT (M.D.) is shown as active in the registry.
What area of care is associated with JOHN FULLERTON BARRETT (M.D.)?
JOHN FULLERTON BARRETT (M.D.)'s record emphasizes Hospitalist Physician. Clinical services aligned with this taxonomy classification.
Where in Colorado is JOHN FULLERTON BARRETT (M.D.) registered?
Use Greenwood Village, Colorado as the headline location for JOHN FULLERTON BARRETT (M.D.) here.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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