ALISON GUEST (M.D.) – Emergency Medicine Physician, NPI 1538219340
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for ALISON GUEST (M.D.)
Swedish Medical Center, 501, East Hampden Avenue, Englewood, Arapahoe County, Colorado, 80113, United States
ENGLEWOOD, CO 801132702
Phone: (303) 788-5000
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: 2014-07-03
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080821000047 | I | Emergency Medicine | CO | TBD |
| I20140703001527 | I | Emergency Medicine | WY | TBD |
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.
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
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 177 | 173 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 75 | 74 | $0 |
| 99291 | Critical care, first 30-74 minutes | 35 | 35 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 19 | 17 | $0 |
Insurance plans in this area (ZIP 80113)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | CO | |
| Emergency Medicine | WI | |
| Emergency Medicine | CO | |
| Emergency Medicine | CO | |
| Emergency Medicine | CO | |
| Emergency Medicine | CO | |
| Emergency Medicine | MI | |
| Emergency Medicine | CO | |
| Emergency Medicine | NC | |
| Emergency Medicine | NM |
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