DR. ARTHUR P. CHOU (M.D.) – Neurological Surgery Physician, NPI 1174760607
Neurological Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
795 NEUROSURGERY in CA
Provider Addresses for DR. ARTHUR P. CHOU (M.D.)
9210 Colima Rd Ste 108
Whittier, CA 906051829
Phone: (626) 768-7373
Fax: (626) 768-7370
Type: Location
18575 Gale Ave Ste 295
City Of Industry, CA 917481383
Phone: (626) 768-7373
Fax: (626) 768-7370
Type: Location
120 W HELLMAN AVE
SUITE 204
MONTEREY PARK, CA 91754
Phone: (626) 768-7373
Fax: (626) 768-7370
Type: Location
605 N Garfield Ave # 1F
Monterey Park, CA 917541102
Phone: (626) 768-7373
Fax: (626) 768-7370
Type: Location
305 W Jackson St Ste 400
Carbondale, IL 629011474
Phone: (618) 351-4972
Fax: (618) 351-4973
Type: Location
Colima Road, Friendly Hills, Whittier, Los Angeles County, California, 90604, United States
WHITTIER, CA 906051829
Phone: (626) 768-7373
Fax: (626) 768-7370
Type: Location
907, Huntington Drive, San Marino, Los Angeles County, California, 91108, United States
SAN MARINO, CA 911082640
Phone: (626) 768-7373
Fax: (626) 768-7370
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $1,932.
Total Amount is formed as General ($1,932) + Research ($0) + Ownership ($0) = $1,932.
Last reported payment date: 2024-09-26 • Largest payer in this snapshot: Medical Device Business Services, Inc. ($1,375).
Total Amount
$1,932
General + Research + Ownership
Payments
17
Total payment records
General Amount
$1,932
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medical Device Business Services, Inc. | $1,375 |
| Medtronic, Inc. | $385 |
| AstraZeneca Pharmaceuticals LP | $173 |
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: 2025-07-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20150731015560 | I | Neurosurgery | CA | TBD |
| I20250602000428 | I | Neurosurgery | IL | TBD |
| I20250711002450 | I | Neurosurgery | SD | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 69 | 56 | $0 |
| 99291 | Critical care, first 30-74 minutes | 51 | 20 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 39 | 39 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 31 | 13 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 26 | 26 | $0 |
Insurance plans in this area (ZIP 90605)
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