DR. EDWIN S. HAYASHI (M.D.) – Surgery Physician, NPI 1295797397
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. EDWIN S. HAYASHI (M.D.)
77 Casa St
Suite 103
San Luis Obispo, CA 934055803
Phone: (805) 546-0411
Fax: (805) 489-1421
Type: Location
921 OAK PARK BLVD STE 201
PISMO BEACH, CA 934493400
Phone: (805) 546-0411
Fax: (805) 473-4891
Type: Location
Sierra Vista Medical Pavilion, 77, Casa Street, San Luis Obispo, San Luis Obispo County, California, 93407-0283, United States
SUITE 103
SAN LUIS OBISPO, CA 934055803
Phone: (805) 546-0411
Fax: (805) 489-1421
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 19 Open Payments records for all available years, with a total value of $372.
Total Amount is formed as General ($372) + Research ($0) + Ownership ($0) = $372.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Medtronic, Inc. ($372).
Total Amount
$372
General + Research + Ownership
Payments
19
Total payment records
General Amount
$372
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $372 |
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: 2010-11-11
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 |
|---|---|---|---|---|
| I20101111000376 | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 616 | 432 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 212 | 108 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 152 | 152 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 134 | 134 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 113 | 113 | $0 |
Insurance plans in this area (ZIP 93405)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| General Surgery | CA | |
| General Surgery | CA | |
| Vascular Surgery | OH | |
| General Surgery | CA | |
| General Surgery | CA | |
| - | CA | |
| General Surgery | CA |
Reviews
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