Dr. Robert S. Koh, MD
- Hospital affiliations
- 1
- State licenses
- 3
- Year NPI issued
- 2006
- Practice address
- 10535 Hospital Way, Mather, CA 95655
- Practice phone
- Call (800) 382-8387
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Koh's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert S. Koh is an internist in Mather, California
Dr. Koh practices at Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration.
Dr. Koh's NPI, 1992745020, was assigned on June 7, 2006. Dr. Koh graduated from University Institute of Medicine 1 in 1991. Dr. Koh's California license number on file is A65486.
- NPI
- 1992745020NPI Registry (opens in a new tab)
- NPI enumeration date
- June 7, 2006
- NPI status
- Active
- Practice phone
- (800) 382-8387
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert S. Koh practices at Sacramento VA Medical Center in Mather, California
Dr. Koh's primary practice is Sacramento VA Medical Center, at 10535 Hospital Way, Mather, CA 95655 in Sacramento County. The practice phone is (800) 382-8387.
- Sacramento VA Medical Center10535 Hospital Way, Mather, CA 95655 · Sacramento CountyPhone(800) 382-8387
Source: Dmand AI Affiliation Data
Dr. Robert S. Koh is affiliated with 1 site of care
Dr. Koh's primary practice is Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration. Dr. Koh's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert S. Koh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koh practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sacramento VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Veterans Health Administration and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert S. Koh is one of 16,751 internists in California
Internal medicine is Dr. Koh's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Koh is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Koh's licenses on file in 3 states: California, New York and North Dakota.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New York license
- North Dakota license
Internists near Dr. Koh
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert S. Koh's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Koh's median patient age at 72, with 5% women.
Dr. Koh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women5%
- Men94%
Source: Dmand AI Patient Panel Data
Dr. Robert S. Koh graduated from University Institute of Medicine 1
Dr. Koh graduated from University Institute of Medicine 1 in 1991.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert S. Koh's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert S. Koh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert S. Koh's NPI number?
Dr. Robert S. Koh's NPI number is 1992745020. It was assigned on June 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert S. Koh?
Dr. Robert S. Koh is an internist in Mather, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert S. Koh practice?
Dr. Koh practices at 10535 Hospital Way, Mather, CA 95655. Dr. Koh's primary practice is Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration.
What is Dr. Robert S. Koh's office phone number?
The practice phone on file for Dr. Koh is (800) 382-8387.
What is Dr. Robert S. Koh's medical license number?
Dr. Koh's California license number on file is A65486, one of the licenses on file in 3 states.
Which states has Dr. Robert S. Koh been licensed in?
Dmand AI has state licenses on file for Dr. Koh in California (1998 to 2025), New York (2001 to 2026) and North Dakota (2001 to 2007).
Which hospitals is Dr. Robert S. Koh affiliated with?
Dr. Koh practices at Sacramento VA Medical Center in Mather, California.
Is Dr. Robert S. Koh board certified?
Yes. Dr. Koh is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Robert S. Koh go to medical school?
Dr. Koh graduated from University Institute of Medicine 1 in 1991.
How long has Dr. Robert S. Koh been practicing?
Dr. Koh graduated from medical school in 1991, 35 years ago.
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