BERENICE PEREZ (MD) – Emergency Medicine Physician, NPI 1497746705
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,790 EMERGENCY MEDICINE in CA
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Provider Addresses for BERENICE PEREZ (MD)
MacArthur, MacArthur BART Plaza, Mosswood, Oakland, Alameda County, California, 94609, United States
OAKLAND, CA 946115641
Phone: (510) 752-1000
Fax: (209) 524-4240
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.
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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: 2014-06-19
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 |
|---|---|---|---|---|
| I20140619002179 | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 55 | 54 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 46 | 46 | $0 |
| 93308 | Ultrasound of heart, follow-up | 18 | 18 | $0 |
| 99291 | Critical care, first 30-74 minutes | 16 | 16 | $0 |
Insurance plans in this area (ZIP 94611)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | CA | 31500 | Emergent insertion of breathing tube into windpipe cartilage using an endoscope | 17 | 17 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Marriage And Family Therapist | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| O P H T H A L M O L O G Y | CA | |
| Nurse Practitioner | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| O P H T H A L M O L O G Y | NY | |
| Physician Assistant | CA | |
| Gastroenterology, Internal Medicine | CA |
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