Dr. Naohisa Yahagi, MD
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2026
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yahagi'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. Naohisa Yahagi is a gastroenterologist in Stanford, California
Dr. Yahagi practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Yahagi's NPI, 1629916887, was assigned on March 23, 2026. Dr. Yahagi holds California license SFP58.
- NPI
- 1629916887NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648746636
- NPI enumeration date
- March 23, 2026
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Naohisa Yahagi practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Yahagi's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Naohisa Yahagi is affiliated with 1 site of care and 2 medical groups
Dr. Yahagi's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Yahagi to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Naohisa Yahagi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yahagi practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +1 medical group | 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 Stanford University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Naohisa Yahagi is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Yahagi's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Yahagi is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Gastroenterologists near Dr. Yahagi
Counts of gastroenterologists 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. Naohisa Yahagi offers telehealth to Medicare patients
Dr. Yahagi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Yahagi as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
Sources for Dr. Naohisa Yahagi'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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. Naohisa Yahagi
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. Naohisa Yahagi's NPI number?
Dr. Naohisa Yahagi's NPI number is 1629916887. It was assigned on March 23, 2026, and it is active in the NPI Registry.
What kind of doctor is Dr. Naohisa Yahagi?
Dr. Naohisa Yahagi is a gastroenterologist in Stanford, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Naohisa Yahagi practice?
Dr. Yahagi practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Yahagi's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Yahagi to 1 medical group.
What is Dr. Naohisa Yahagi's office phone number?
The practice phone on file for Dr. Yahagi is (650) 723-4000.
What is Dr. Naohisa Yahagi's medical license number?
Dr. Yahagi holds California license SFP58.
Which hospitals is Dr. Naohisa Yahagi affiliated with?
Dr. Yahagi practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California.
What medical group is Dr. Naohisa Yahagi part of?
Dr. Yahagi is linked to Stanford Health Care. Dmand AI links Dr. Yahagi to 1 more medical group.
Does Dr. Naohisa Yahagi accept Medicare?
Yes. CMS lists Dr. Yahagi as accepting Medicare assignment.
Does Dr. Naohisa Yahagi offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Yahagi as offering telehealth services.
How long has Dr. Naohisa Yahagi been practicing?
Dr. Yahagi's NPI was assigned in 2026.
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