DR. JENNIFER ANN FREIJ (D.O) – Emergency Medical Services (Emergency Medicine) Physician, NPI 1053409185
Emergency Medical Services (Emergency Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. JENNIFER ANN FREIJ (D.O)
Saint Joseph Mercy Oakland, 44405, Woodward Avenue, Pontiac, Oakland County, Michigan, 48341, United States
PONTIAC, MI 483415023
Phone: (248) 858-3000
Type: Location
3262, Camden Drive, Midtown Square, Troy, Oakland County, Michigan, 48084, United States
TROY, MI 480847027
Phone:
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: 2005-11-10
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 |
|---|---|---|---|---|
| I20051110000224 | I | Emergency Medicine | MI | 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 | 161 | 160 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 73 | 71 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 45 | 45 | $0 |
| 99291 | Critical care, first 30-74 minutes | 20 | 20 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 48341)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | MI | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 200 | 192 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MI | |
| - | MI | |
| Emergency Medicine | MI | |
| Emergency Medicine | MI | |
| Physician Assistant | MI | |
| Emergency Medicine | MI | |
| Internal Medicine, Gastroenterology | MI | |
| - | MI | |
| Emergency Medicine | MI | |
| Emergency Medicine | MI |
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