DR. ANTHONY S OH (MD) – Surgery Physician, NPI 1154401354
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,317 GENERAL SURGERY in CA
Provider Addresses for DR. ANTHONY S OH (MD)
4950, San Bernardino Street, Montclair, San Bernardino County, California, 91763, United States
SUITE 200
MONTCLAIR, CA 917632328
Phone: (909) 621-7647
Fax: (909) 621-7684
Type: Mailing
315 N 3rd Ave Ste 206
Covina, CA 917231917
Phone: (626) 593-0695
Fax: (877) 887-5774
Type: Location
4950 SAN BERNARDINO ST STE 202
MONTCLAIR, CA 917632328
Phone: (909) 621-7647
Fax: (877) 887-5774
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 13 Open Payments records for all available years, with a total value of $6,303.
Total Amount is formed as General ($6,303) + Research ($0) + Ownership ($0) = $6,303.
Last reported payment date: 2024-12-21 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($6,000).
Total Amount
$6,303
General + Research + Ownership
Payments
13
Total payment records
General Amount
$6,303
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-21
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2004-05-17
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 |
|---|---|---|---|---|
| I20040517000940 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 665 | 154 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 115 | 112 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 92 | 63 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 57 | 49 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 56 | 50 | $0 |
Insurance plans in this area (ZIP 91763)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GENERAL SURGERY | CA | 36556 | Insertion of central venous catheter for infusion, patient 5 years or older | 102 | 71 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery, Colorectal Surgery (Proctology) | CA |
Reviews
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