DR. CHRISTOPHER A SARKISS (M.D.) – Neurological Surgery Physician, NPI 1902123920
Neurological Surgery Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
795 NEUROSURGERY in CA
Provider Addresses for DR. CHRISTOPHER A SARKISS (M.D.)
PO BOX 48437
LOS ANGELES, CA 900480437
Phone: (310) 593-9833
Fax: (310) 939-0990
Type: Mailing
1125 S BEVERLY DR STE 111
LOS ANGELES, CA 900351149
Phone: (310) 593-9833
Fax: (310) 939-0990
Type: Location
1400 E. CHURCH STREET
ATTENTION- MEDICAL STAFF OFFICE
SANTA MARIA, CA 93454
Phone: (805) 739-3954
Type: Mailing
3807 UNION AVE STE B
BAKERSFIELD, CA 93305
Phone: (661) 831-0274
Type: Location
3301 W FOREST HOME AVE
MILWAUKEE, WI 532152843
Phone: (414) 385-1922
Fax: (414) 385-1899
Type: Mailing
2801 W KINNICKINNIC RIVER PKWY STE 680
MILWAUKEE, WI 532153633
Phone: (414) 385-1922
Fax: (414) 385-1899
Type: Location
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 $115.
Total Amount is formed as General ($115) + Research ($0) + Ownership ($0) = $115.
Last reported payment date: 2023-03-07 • Largest payer in this snapshot: Monteris Medical Corporation ($115).
Total Amount
$115
General + Research + Ownership
Payments
1
Total payment records
General Amount
$115
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Monteris Medical Corporation | $115 |
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: 2021-08-24
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 |
|---|---|---|---|---|
| I20191031001896 | I | Neurosurgery | CA | TBD |
| I20210824002463 | I | Neurosurgery | WI | 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 |
|---|---|---|---|---|
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 30 | 30 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 13 | 13 | $0 |
Insurance plans in this area (ZIP 90048)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| Family Practice | CA | |
| - | CA | |
| Orthopedic Surgery | CA | |
| - | CA | |
| N E U R O S U R G E R Y | NY | |
| Family Practice | CA | |
| Family Practice | MA | |
| Anesthesiology, Critical Care (Intensivists), Internal Medicine | CA |
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