Dr. Ray Herman Rivas
Dr. Ray H. Rivas
Last updated: Feb 3, 2026

Dr. Ray H. Rivas

  • Gender: Male
  • Experience: 9 years
  • Graduated from: University Of North Dakota School Of Medicine
  • Graduation year: 2012
  • Sole propriator: Yes
  • NPI: 1003173816

Dr. Ray H. Rivas M.D.

Surgeon

He is located at 100 Casa Street Suite D3 in San Luis Obispo, CA 93405. Can help patients with the following: Anal Fissure, Boils, Colon Cancer, Crohn's Disease, Peptic Ulcer, Pilonidal Cyst. His National Provider Identifier (NPI) number is 1003173816. Appointment can be made via the phone number (805) 321-8471. He is affiliated with 2 practices and 1 hospitals.

Conditions treated

Dr. Ray Herman Rivas, being an surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Ray H. Rivas.

  • Achalasia
  • Anal Fissure
  • Appendicitis
  • Boils
  • Cancer
  • Colon Cancer
  • Crohn's Disease
  • Cyst
  • Diverticulosis
  • Enlarged Spleen
  • Esophageal Cancer
  • Gallstones
  • Gangrene
  • Heart Disease
  • Hemorrhoids
  • Hernia
  • Inflammatory Bowel Disease (IBD)
  • Lymphedema
  • Pancreatitis
  • Peptic Ulcer
  • Pilonidal Cyst
  • Sebaceous Cyst
  • Ulcerative Colitis

Medicare Enrollment

Dr. Ray H. Rivas is enrolled to bill Medicare as a Practitioner - General Surgery .

Bills through: Innerbloom Ketamine Therapy

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Payments received

Drug payment

Intuitive Surgical $498

Other

Food and Beverage $499

Studies

UNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE

Graduated in 2012

Affiliated practices

Central Texas Surgical Associates
7200 Wyoming Springs Drive
Round Rock, 78681 TX
(512) 244-0111
Surgical Specialists
1325 East Church Street
Santa Maria, 93454 CA
(805) 348-3700

Affiliated hospitals

MARIAN REGIONAL MEDICAL CENTER
1400 E CHURCH ST
SANTA MARIA, 93454 CA
(805) 739-3100

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Questions & Answers

What conditions does Dr. Ray Herman Rivas treat?

Dr. Ray Herman Rivas provides treatment for Anal Fissure, Boils, Colon Cancer, Crohn's Disease, Peptic Ulcer, Pilonidal Cyst. For the full list see this list.

Does Dr. Ray Herman Rivas have affiliation with practices?

Dr. Ray Herman Rivas is affiliated with Central Texas Surgical Associates. For the full list of practices see this list.

Does Dr. Ray Herman Rivas accept insurance?

Unfortunately we don't have any information if Dr. Ray Herman Rivas accepts insurance.

Where can you meet with Dr. Ray Herman Rivas?

Dr. Ray Herman Rivas's office is located at 100 Casa Street Suite D3 in San Luis Obispo, CA 93405.

Has Dr. Ray Herman Rivas affiliation with hospitals?

Dr. Ray Herman Rivas is affiliated with MARIAN REGIONAL MEDICAL CENTER.