DR. CESAR ALEJANDRO ARISTEIGUIETA (MD) – Emergency Medicine Physician, NPI 1255386256
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,791 EMERGENCY MEDICINE in CA
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Provider Addresses for DR. CESAR ALEJANDRO ARISTEIGUIETA (MD)
ELTA post box, Κάστρου, κ. Παράλιου Άστρους, Astros Beach, Municipality of North Kynouria, Arcadia Regional Unit, Peloponnese Region, Peloponnese, Western Greece and the Ionian, 22019, Greece
ARCADIA, CA 910661297
Phone: (626) 447-0296
Fax: (626) 447-6057
Type: Mailing
4150, V Street, Sacramento, Sacramento County, California, 95817, United States
PSSB #2100
SACRAMENTO, CA 958171460
Phone: (626) 676-8990
Type: Location
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: 2014-03-28
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20040709000671 | I | Emergency Medicine | CA | TBD |
| I20140328001876 | I | Emergency Medicine | TX | 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 |
|---|---|---|---|---|
| 99284 | Emergency department visit with moderate level of medical decision making | 16 | 15 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 14 | 14 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 12 | 12 | $0 |
Insurance plans in this area (ZIP 91066)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine, Family Practice | KS | |
| Emergency Medicine, Family Practice | MI | |
| Emergency Medicine, Family Practice | WA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Internal Medicine, Emergency Medicine | CA | |
| Emergency Medicine | CA |
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