GREGORY WIENER (M.D.) – Emergency Medicine Physician, NPI 1487187787

GREGORY WIENER (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. TL.0006429 (CO). The NPI Number for GREGORY WIENER (M.D.) is 1487187787

Main info

Male
9 Years Of Experience
Accepts Medicare Assignment
Name
GREGORY WIENER (M.D.)
NPI
1487187787
Phone
(303) 602-5183
Address
777 BANNOCK ST # MC0108
Enumeration Date
4 April 2017
Last Update Date
30 April 2021

Doctor Profile

Medical School Name
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Secondary Phone
8662473141
Graduation Year
2017 (9 years ago)
PAC ID
4789952318
Group Practice PAC ID
9830620459
Professional Enrollment ID
I20210526000754
Address ID
CO816575038VA180XXWXXX500
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience55
Completeness75
Years active:9State licenses:3Digital endpointsOther names

1,197 EMERGENCY MEDICINE in CO

Provider Addresses for GREGORY WIENER (M.D.)

  • 777 BANNOCK ST # MC0108

    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

Loading prescription activity...

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: 2021-05-26

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
I20210526000754IEmergency 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 making108106$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only7867$0
99284Emergency department visit with moderate level of medical decision making7372$0
99291Critical care, first 30-74 minutes3535$0
99283Emergency department visit with low level of medical decision making1717$0
View full utilization report →

Insurance plans in this area (ZIP 80204)

Loading plans...

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 MedicineCO
Emergency MedicineUT
Emergency MedicineCO
Emergency MedicineCO
Emergency MedicineCO
Emergency MedicineCO
Emergency MedicineVA

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Does GREGORY WIENER (M.D.) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — GREGORY WIENER (M.D.) uses 1487187787.
Does CMS list GREGORY WIENER (M.D.) as active?
Yes — GREGORY WIENER (M.D.) is active in the NPI listing used on this page.
What taxonomy line describes GREGORY WIENER (M.D.)?
For research purposes, treat GREGORY WIENER (M.D.) as Emergency Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.
What address line appears for GREGORY WIENER (M.D.)?
GREGORY WIENER (M.D.)'s geographic hint is Denver, Colorado in our summary view.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

Similar Providers

DENNIS P. BRANT

Physician Assistant
Beet Box, 1030, East 22nd Avenue, Five Points, Denver, Denver County, Colorado, 80205, United States
NPI: 1487659181

DR. JAMES W. PORTER (MD)

Emergency Medicine Physician
1 N BROADWAY BLDG A
NPI: 1194721621

JOHN CHRISTIAN MCCARTER (MD)

Emergency Medicine Physician
720 S COLORADO BLVD STE 450S
NPI: 1003815176

ALEXANDER WILLIAM SCHERMER

Emergency Medicine Physician
Lawrence Street & 16th Street Mall, Lawrence Street, 16th Street Mall, Denver, Denver County, Colorado, 80202, United States
NPI: 1457351397

DR. DAVID HOWARD WHITAKER (D.O.)

Emergency Medicine Physician
Kaiser Permanente Fontana Medical Center, 9961, Sierra Avenue, Fontana, San Bernardino County, California, 92335, United States
NPI: 1255331203

DR. JILL DENISE MURPHEY (MD)

Family Medicine Physician
Broadway, The Hill, Boulder, Boulder County, Colorado, 80802, United States
NPI: 1962403782

DR. KARL R TREFFINGER (MD)

Emergency Medicine Physician
Beet Box, 1030, East 22nd Avenue, Five Points, Denver, Denver County, Colorado, 80205, United States
NPI: 1205837333

BRIAN GILLETT (MD)

Emergency Medicine Physician
Public Storage, 5788, West 6th Avenue, Villa Park, Lakewood, Denver County, Colorado, 80214, United States
NPI: 1265424915

ROBERT A KILPATRICK

Emergency Medicine Physician
Beet Box, 1030, East 22nd Avenue, Five Points, Denver, Denver County, Colorado, 80205, United States
NPI: 1194718064