CORMAC OLIVER LOUGHREY MAHER (MD) – Neurological Surgery Physician, NPI 1043229073
Neurological Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
795 NEUROSURGERY in CA
Provider Addresses for CORMAC OLIVER LOUGHREY MAHER (MD)
725 WELCH RD
PALO ALTO, CA 943041601
Phone: (650) 497-8000
Type: Mailing
South State Street, Ann Arbor, Washtenaw County, Michigan, 48108-1774, United States
700 KMS PLACE
ANN ARBOR, MI 48108
Phone: (734) 936-2047
Type: Mailing
East Medical Center Drive, Ann Arbor, Washtenaw County, Michigan, 48109, United States
C.S. MOTT CHILDREN'S HOSPITAL
ANN ARBOR, MI 481094219
Phone: (734) 936-7010
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $445.
Total Amount is formed as General ($445) + Research ($0) + Ownership ($0) = $445.
Last reported payment date: 2024-07-24 • Largest payer in this snapshot: KLS-Martin L.P. ($445).
Total Amount
$445
General + Research + Ownership
Payments
4
Total payment records
General Amount
$445
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| KLS-Martin L.P. | $445 |
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: 2023-03-29
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 |
|---|---|---|---|---|
| I20230329001723 | I | Neurosurgery | 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 94304)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| - | CA | |
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Hematology, Medical Oncology | NY | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Neuropsychiatry, Neurology | CA |
Reviews
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