DR. SHANNON M STACY (M.D.) – Emergency Medicine Physician, NPI 1043373087

DR. SHANNON M STACY (M.D.) is a healthcare provider. based in Torrance, California. specializing in Emergency Medicine Physician. They hold the professional credentials M.D.. They hold a License No. A119069 (CA). The NPI Number for DR. SHANNON M STACY (M.D.) is 1043373087

Main info

Female
Sole Proprietor
20 Years Of Experience
Accepts Medicare Assignment
Name
DR. SHANNON M STACY (M.D.)
NPI
1043373087
Phone
(310) 325-9110
Address
3330 LOMITA BLVD
Enumeration Date
19 December 2006
Last Update Date
1 August 2014

Doctor Profile

Medical School Name
ST. LOUIS COLLEGE OF PHYSICIANS AND SURGEONS
Secondary Phone
3103259110
Graduation Year
2006 (20 years ago)
PAC ID
8224257118
Group Practice PAC ID
5597998120
Professional Enrollment ID
I20140908001201
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. SHANNON M STACY (M.D.)

  • Del Amo Hospital, 3330, Lomita Boulevard, Torrance, Los Angeles County, California, 90505, United States

    TORRANCE MEMORIAL MEDICAL CENTER

    TORRANCE, CA 905055002

    Phone: (310) 325-9110

    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)

CMS reports 1 Open Payments records for all available years, with a total value of $124.

Total Amount is formed as General ($124) + Research ($0) + Ownership ($0) = $124.

Last reported payment date: 2024-03-05 • Largest payer in this snapshot: CSL Behring ($124).

Total Amount

$124

General + Research + Ownership

Payments

1

Total payment records

General Amount

$124

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-03-05

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
CSL Behring$124
View all Open Payments →|Open Payments Risk Radar →

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: 2023-06-28

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
I20230628000061IEmergency MedicineNCTBD

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 making281281$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only180174$0
99291Critical care, first 30-74 minutes139138$0
93042Electrocardiogram (ecg) 1 to 3 leads with review by physician only7979$0
99284Emergency department visit with moderate level of medical decision making3232$0
View full utilization report →

Insurance plans in this area (ZIP 90505)

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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: 5597998120View full group profile
NameSpecialtyState
-CA
Emergency MedicineCA
Emergency MedicineCO
Emergency MedicineCA
Emergency MedicinePA
-CA
Emergency MedicineCA
Emergency MedicineCA
Emergency MedicineCA
Emergency MedicineCA

Reviews

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Frequently asked questions

How do payers reference DR. SHANNON M STACY (M.D.)?
For DR. SHANNON M STACY (M.D.), use NPI 1043373087 as the unique 10-digit identifier.
Would DR. SHANNON M STACY (M.D.) appear as active to a payer?
You can treat DR. SHANNON M STACY (M.D.) as active for directory purposes; confirm clinical privileges separately.
How would a patient describe DR. SHANNON M STACY (M.D.)'s focus?
For DR. SHANNON M STACY (M.D.), the primary taxonomy reads as Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
Where in California is DR. SHANNON M STACY (M.D.) registered?
Use Torrance, California as the headline location for DR. SHANNON M STACY (M.D.) here.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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