DR. JENNIFER ZHAN (M.D.) – Emergency Medicine Physician, NPI 1669890117
Emergency Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,197 EMERGENCY MEDICINE in CO
Provider Addresses for DR. JENNIFER ZHAN (M.D.)
777 Bannock St
Denver, CO 802044507
Phone: (630) 229-8988
Type: Location
1338 S HOPE ST
LOS ANGELES, CA 900152902
Phone: (213) 742-5555
Type: Mailing
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: 2018-06-06
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
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20180606001064 | I | Emergency Medicine | CA | 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 |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 81 | 76 | $0 |
| 99291 | Critical care, first 30-74 minutes | 60 | 59 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 36 | 35 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 32 | 32 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 16 | 15 | $0 |
Insurance plans in this area (ZIP 80204)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice, Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | VA | |
| Emergency Medicine | CA | |
| Emergency Medicine, Family Practice | MS | |
| - | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Family Practice, Emergency Medicine | CA |
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