Are you Edwin S. Hayashi, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Edwin S. Hayashi, M.D.
- Pismo Beach location main office
921 Oak Park Blvd Ste 201, Pismo Beach, CA 93449 - San Luis Obispo location
77 Casa St, Suite 103, San Luis Obispo, CA 93405
About Dr. 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 specializing in vascular surgery and surgery. Medicare claims data shows Edwin provided 1,505 services to 1,270 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1295797397 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (805) 546-0411
- Email not available
Practice Locations
921 OAK PARK BLVD STE 201
Pismo Beach, CA 93449
77 Casa St Suite 103
San Luis Obispo, CA 93405
Conditions Commonly Evaluated or Treated
Within General Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Appendicitis
- Breast cancer
- Gallstones
- Hernia
- Thyroid nodules
Anorectal
- Anal fissure
- Anal fistula
- Hemorrhoids
- Perianal abscess
- Rectal prolapse
Appendix, bowel, and emergency
- Diverticulitis
- Intra-abdominal abscess
- Mesenteric ischemia
- Peritonitis
Gallbladder and biliary
- Acute gallbladder inflammation
- Biliary dyskinesia
Hernia and abdominal wall
- Belly-button hernia
- Femoral hernia
- Groin hernia
- Hiatal hernia
- Incisional hernia
- Ventral hernia
Skin and soft tissue
- Epidermoid cyst
- Hidradenitis suppurativa
- Lipoma
- Skin and soft-tissue abscess
- Soft-tissue mass
Abdominal
- Enlarged spleen
Abdominal wall
Breast
- Benign breast disease
- Breast abscess
- Gynecomastia
Colorectal
- Pilonidal cyst
Digestive
- Acid reflux
- Acute pancreatitis
- Bleeding Stomach Ulcer
- Bowel Fistula
- Gastroparesis
- Swallowing difficulties
Emergency surgery
- Perforated bowel
Endocrine
- Adrenal gland tumor
- Hyperparathyroidism
- Thyroid cancer
Gastrointestinal
- Bowel obstruction
Hernia
- Diaphragmatic hernia
- Sports Hernia
- Strangulated Hernia
Infections
- Flesh-Eating Infection
Lymphatic
- Swollen Lymph Nodes
Oncology
- Colon cancer
- Neuroendocrine Tumors
Procedures & services
Most searched procedures
- Appendectomy
- Breast biopsy
- Gallbladder surgery
- Hernia repair surgery
- Lumpectomy
Bowel and emergency abdominal
- Colon resection
- Exploratory laparoscopy
- Exploratory laparotomy
- Repair of perforated peptic ulcer
- Small-bowel resection
- Surgery for bowel obstruction
- Surgical drainage of abdominal abscess
- Surgical lysis of adhesions
Gallbladder and appendix
- Gallbladder removal
Hernia repair
- Laparoscopic groin-hernia repair
- Robotic hernia repair
Skin and soft tissue
- Incision and drainage of an abscess
- Lipoma removal
- Removal of a soft-tissue mass
Abdominal surgery
- Spleen removal
Abdominal wall
- Abdominal Muscle Separation Repair
Access and nutrition
- Jejunostomy feeding-tube placement
Anorectal
- Anal fistula surgery
- Drainage of anal abscess
- Hemorrhoid removal
- Rubber-band ligation of hemorrhoids
- Surgery for chronic anal fissure
Biopsy
- Lymph Node Biopsy
Breast surgery
- Axillary lymph-node dissection
- Excisional biopsy of a breast mass
- Mastectomy
- Sentinel lymph-node biopsy
Breast Surgery
- Male Breast Reduction
Colorectal
- Pilonidal cyst surgery
- Rectal prolapse repair
Colorectal surgery
- Colostomy Surgery
- Ileostomy Surgery
- Ostomy reversal
Digestive procedures
Endocrine surgery
- Partial Thyroid Removal
Gastrointestinal
- Feeding tube placement
Hernia surgery
- Sports hernia surgery
Skin & Soft Tissue
- Cyst Removal
Surgical Oncology
- Complex skin lesion excision
Surgical procedures
Vascular Access
- Central line placement
- Chemo port placement
Wound care
- Wound cleaning and debridement
Procedures Most Often Billed to Medicare
1,505 services · 1,270 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Partial removal of breast | Procedure | 19301 |
67 | More than most peers in General Surgery |
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
36 | More than most peers in General Surgery |
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
32 | More than most peers in General Surgery |
| Repair of groin hernia (5 years or older) | Procedure | 49505 |
18 | More often than most peers in General Surgery |
| Simple complete removal of breast | Procedure | 19303 |
16 | More often than most peers in General Surgery |
| Removal of gallbladder using an endoscope | Procedure | 47562 |
15 | As often as other peers in General Surgery |
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
14 | Less often than most peers in General Surgery |
| Removal of blood clot and portion of chest, neck, or brain artery | Procedure | 35301 |
13 | Less often than most peers in General Surgery |
| Removal of lymph nodes of chest cavity using an endoscope | Procedure | 32674 |
13 | Less often than most peers in General Surgery |
| Insertion of abdominal cavity tube using an endoscope | Procedure | 49324 |
12 | Less often than most peers in General Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related 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 5
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.
Common questions
What kind of doctor is Edwin S. Hayashi?
Edwin S. Hayashi is a general surgeon in Pismo Beach, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
What is Edwin S. Hayashi's address?
Edwin S. 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 Edwin S. Hayashi?
The number on file is (805) 546-0411. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Edwin S. Hayashi?
Edwin S. 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 Edwin S. Hayashi train?
Edwin S. 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 Edwin S. Hayashi have?
Edwin S. 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 Edwin S. Hayashi perform?
According to Medicare billing data, Edwin S. 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 Edwin S. Hayashi's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Edwin S. Hayashi. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.