DR. STANLEY F SIEFER (M.D.) – Emergency Medicine Physician, NPI 1063490159

DR. STANLEY F SIEFER (M.D.) is a healthcare provider. based in Englewood, Colorado. specializing in Emergency Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 17908 (CO). The NPI Number for DR. STANLEY F SIEFER (M.D.) is 1063490159

Main info

Male
58 Years Of Experience
Accepts Medicare Assignment
Name
DR. STANLEY F SIEFER (M.D.)
NPI
1063490159
Phone
(303) 761-1699
Address
901 W HAMPDEN AVE
Enumeration Date
9 January 2006
Last Update Date
14 May 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3037611699
Graduation Year
1968 (58 years ago)
PAC ID
8325176555
Group Practice PAC ID
6204094485
Professional Enrollment ID
I20100510000452
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. STANLEY F SIEFER (M.D.)

  • 901, West Hampden Avenue, Englewood, Arapahoe County, Colorado, 80110, United States

    SUITE 103

    ENGLEWOOD, CO 801107331

    Phone: (303) 761-1699

    Fax: (303) 761-4099

    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.

No Medicare enrollment or revalidation data available for this provider in our database.

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 80110)

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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: 6204094485View full group profile
NameSpecialtyState
DR. IRIT W GORDON (M.D.)
-CO
MR. ROBERT BRANNICK (PA-C)
Physician AssistantIL
RHONDA LOUISE SHARP (PA-C)
Physician AssistantCO
DR. MARTIN E STRAND (M.D.)
-CO
BLAINE MCKINLEY BARSCH
Physician AssistantWI
KAITLYN MCDONALD LUDWIG (PA-C)
Physician AssistantCO
LAURA GREENBERG (PA-C)
Physician AssistantCO
JUNE YI (NP-C)
-CO
BETHANY ANN WALLACE (DO)
-CO
DANA CHRETIEN (PA)
Physician AssistantCO

Reviews

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Frequently asked questions

Is there an official ID for DR. STANLEY F SIEFER (M.D.) in U.S. healthcare records?
The official identifier for DR. STANLEY F SIEFER (M.D.) is NPI 1063490159.
Is DR. STANLEY F SIEFER (M.D.) shown as active in public data?
Registry records indicate DR. STANLEY F SIEFER (M.D.) maintains an active NPI.
What area of care is associated with DR. STANLEY F SIEFER (M.D.)?
DR. STANLEY F SIEFER (M.D.)'s record emphasizes Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with DR. STANLEY F SIEFER (M.D.)?
Directory geography for DR. STANLEY F SIEFER (M.D.) centers on Englewood, Colorado.
When was this NPI issued?
Enumeration for DR. STANLEY F SIEFER (M.D.) is noted as January 9, 2006 where the registry provides it.

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