ROBERT G. GISH M.D. – NPI #1548281322
Internal Medicine

The discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract. The American Board of Internal Medicine considers Hepatology part of the subspecialty of gastroenterology. Physicians who identify themselves as Hepatologists usually, but not always, have been trained in gastrointestinal programs.

Health Care Provider Taxonomy Code for Internal Medicine

ROBERT GISH is a physician located in FOLSOM, CA. NPPES has assigned the NPI number 1548281322 to ROBERT GISH on July 21, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI Registry, there are 3 additional location(s) assigned to this provider which are listed below. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RI0008X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Hepatology

The NPI profile was last updated on Feb 25, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ROBERT GISH below.

NPI Profile for
ROBERT G. GISH

NPI Number
1548281322
Enumeration Date

(about 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
ROBERT G. GISH
Credentials
M.D.
Primary location
1580 CREEKSIDE DR STE 220
FOLSOM, CA 95630-3888
Phone: (916) 986-4444 Fax: (916) 983-8563
3 Other location(s):
231 OConnor Dr
San Jose, CA 95128-1624
Phone: (408) 347-9001
Fax: (408) 347-9004
2331 Montpelier Dr Ste B
San Jose, CA 95116-1673
Phone: (408) 347-9001
Fax: (408) 347-9004
901 Rancho Ln Ste 250
Las Vegas, NV 89106-3835
Phone: (702) 383-2224
Fax: (702) 383-1876
Mailing address
6022 LA JOLLA MESA DR
LA JOLLA, CA 92037-7814
Phone: (858) 229-9865 Fax:
Sole Proprietor
No
Updated
Certification Date
Feb 25, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for ROBERT GISH

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
medicaidCA00G456320
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RI0008X
- Internal Medicine / Hepatology (Primary)		 CA G45632
207RT0003X
- Internal Medicine / Transplant Hepatology		 NV 6940
207RG0100X
- Internal Medicine / Gastroenterology		 CA G45632

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

View All Endpoint(s)
Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
6022 LA JOLLA MESA DR,
LA JOLLA, CA 77025-1669
Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
500 DOYLE PARK DR STE 205,
SANTA ROSA, CA 77025-1669

Additional Information

Education
UNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL) - Graduated 1980
Offers Telehealth Services
Yes - Telehealth services allows you to talk to your health care provider using audio/video communications, such as Zoom, without actually going in to the doctor's office
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
ROBERT GISH is affiliated with the following medical group(s):
  • HOSPITAL
    • PROVIDENCE SANTA ROSA MEMORIAL HOSPITAL
      1165 MONTGOMERY DR
      SANTA ROSA, CA 95405

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.