Amy Tun, M.D.
NPI 1861718801 · Pediatrics Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amy Tun, M.D. is a Pediatrics Physician provider in Fremont, CA (NPI 1861718801).
Provider details
- NPI number
- 1861718801
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A111388 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-15
- Last updated
- 2021-12-16
Frequently asked questions
- What is Amy Tun's NPI number?
- Amy Tun's National Provider Identifier (NPI) is 1861718801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Tun's specialty?
- Amy Tun is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Amy Tun located?
- Amy Tun's practice location on file with NPPES is 39500 Fremont Blvd, Fremont, CA 94538-2101.
- What is Amy Tun's phone number?
- The practice phone number listed in the NPPES registry for Amy Tun is (510) 248-1800.
- Does Amy Tun accept Medicare?
- Amy Tun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amy Tun's NPI active?
- Yes — Amy Tun's NPI (1861718801) is active in the NPPES registry as of the last update on 2021-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.