DR. CHRISTOPHER JAMES AHO (M.D.) – Neurological Surgery Physician, NPI 1295775807
Neurological Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
795 NEUROSURGERY in CA
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Provider Addresses for DR. CHRISTOPHER JAMES AHO (M.D.)
12291, Washington Boulevard, Whittier, Los Angeles County, California, 90606, United States
SUITE 102
WHITTIER, CA 906062500
Phone: (562) 698-0679
Fax: (562) 945-5801
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)
CMS reports 1 Open Payments records for all available years, with a total value of $25.
Total Amount is formed as General ($25) + Research ($0) + Ownership ($0) = $25.
Last reported payment date: 2024-11-25 • Largest payer in this snapshot: Neo Spine USA, Inc. ($25).
Total Amount
$25
General + Research + Ownership
Payments
1
Total payment records
General Amount
$25
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Neo Spine USA, Inc. | $25 |
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: 2006-09-13
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 |
|---|---|---|---|---|
| I20060913000612 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 75 | 39 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 51 | 46 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 35 | 22 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 32 | 32 | $0 |
Insurance plans in this area (ZIP 90606)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O S U R G E R Y | CA | |
| N E U R O S U R G E R Y | CA | |
| N E U R O S U R G E R Y | CA | |
| Hospitalist, Neurology | CA | |
| - | CA | |
| Physician Assistant | CA | |
| Physician Assistant | NY |
Reviews
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