Physician Profile
Unclaimed ProfileAbout HAYASHI
Based in Pismo Beach, CA, Edwin S. Hayashi, M.D. is listed in the NPI registry under general surgery. Edwin graduated from University of California, San Francisco School of Medicine in 1990. Edwin is also listed as specialising in vascular surgery and surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Hayashi?
Dr. Hayashi is a general surgeon in Pismo Beach, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
What is Dr. Hayashi's address?
Dr. Hayashi is listed at 921 OAK PARK BLVD STE 201, Pismo Beach, CA 93449. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Hayashi?
The number on file is (805) 546-0411. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Hayashi?
Dr. Hayashi's National Provider Identifier is 1295797397. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Hayashi train?
Dr. Hayashi attended University of California, San Francisco School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hayashi have?
Dr. Hayashi has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Hayashi perform?
According to Medicare billing data, Dr. Hayashi performs procedures including partial removal of breast, biopsy or removal of deep lymph nodes of underarm and insertion of central venous tube with port; reads or performs imaging such as fluoroscopic guidance for insertion or removal of central vein access device and ultrasonic guidance for blood vessel access, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hayashi's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hayashi. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (805) 546-0411
- Email not available
Practice Locations
921 OAK PARK BLVD STE 201
Pismo Beach, CA 93449
Procedures Most Often Billed to Medicare
1,505 services · 1,270 patients · 24 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Partial removal of breast | Procedure | 19301 |
67 |
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
36 |
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
32 |
| Repair of groin hernia (5 years or older) | Procedure | 49505 |
18 |
| Simple complete removal of breast | Procedure | 19303 |
16 |
| Removal of gallbladder using an endoscope | Procedure | 47562 |
15 |
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
14 |
| Removal of blood clot and portion of chest, neck, or brain artery | Procedure | 35301 |
13 |
| Removal of lymph nodes of chest cavity using an endoscope | Procedure | 32674 |
13 |
| Insertion of abdominal cavity tube using an endoscope | Procedure | 49324 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other general surgeons at this location 4
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at University of California, San Francisco School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1990 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Partial removal of breast 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.