MAIRA E SIMENTAL (MD) – Radiation Oncology Physician, NPI 1891779997
Radiation Oncology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
677 RADIATION ONCOLOGY in CA
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Provider Addresses for MAIRA E SIMENTAL (MD)
Box, Lago del Salado, Los Angeles, San Nicolás de los Garza, Nuevo León, 66477, Mexico
LOS ANGELES, CA 900510185
Phone: (626) 775-3514
Type: Mailing
401, East Highland Avenue, Plymouth Village, Redlands, San Bernardino County, California, 92373, United States
SAN BERNARDINO, CA 924043803
Phone: (909) 475-2700
Fax: (909) 475-2738
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: 2005-10-03
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 |
|---|---|---|---|---|
| I20051003000382 | I | Radiation Oncology | 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 |
|---|---|---|---|---|
| G6015 | Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 184 | 13 | $0 |
| 77014 | Ct guidance for insertion of radiation therapy fields | 183 | 13 | $0 |
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 130 | 17 | $0 |
| G6013 | Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev | 110 | 14 | $0 |
| 77300 | Calculation of radiation therapy dose | 53 | 17 | $0 |
Insurance plans in this area (ZIP 90051)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Nurse Practitioner | CA | |
| Cardiovascular Disease (Cardiology) | CA | |
| Hematology/Oncology, Internal Medicine | CA | |
| - | CA | |
| Nurse Practitioner | CA | |
| Certified Registered Nurse Anesthetist (Crna) | CA | |
| Endocrinology, Internal Medicine | CA | |
| General Surgery | CA | |
| Certified Registered Nurse Anesthetist (Crna) | PA |
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