DR. MARIAM H BESHAI (MD) – Hospitalist Physician, NPI 1447839956
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,302 HOSPITALIST in CA
Provider Addresses for DR. MARIAM H BESHAI (MD)
1411 E 31st St
Oakland, CA 946021018
Phone: (510) 535-7601
Fax: (510) 437-4251
Type: Location
325 DISTEL CIR
LOS ALTOS, CA 940221408
Phone: (510) 537-1234
Type: Mailing
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 945465305
Phone: (510) 537-1234
Type: Location
22G FOREST ACRES DR APT G
BRADFORD, MA 018357013
Phone: (978) 872-3820
Type: Mailing
1411 E 31ST ST
OAKLAND, CA 946021018
Phone: (510) 535-7601
Fax: (510) 437-4251
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: 2024-08-24
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 |
|---|---|---|---|---|
| I20240824000055 | I | Hospitalist | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 94602)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | CA | |
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| - | CA | |
| Hospitalist, Obstetrics/Gynecology | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OR | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| A N E S T H E S I O L O G Y | CA |
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