ANDREW M NG
NPI 1235471871
Pediatrics in Sunnyvale, CA
About Andrew M Ng NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW M NG (NPI 1235471871) is an individual pediatrics provider in Sunnyvale, California, licensed in California (A141038) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Andrew M Ng is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Andrew Ng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94086 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Andrew Ng's NPI number?
The NPI number for Andrew Ng is 1235471871. It was assigned to this individual provider in the NPPES registry on March 21, 2013.
Where is Andrew Ng located?
Andrew Ng practices at 301 Old San Francisco Rd, Sunnyvale, CA 94086. The listed phone number is (408) 739-6000.
What is Andrew Ng's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Andrew Ng enrolled in Medicare?
Yes. Andrew Ng is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Andrew Ng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Ng reassigns Medicare benefits to Sutter Bay Medical Foundation (Palo Alto, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andrew Ng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Andrew Ng was last updated on September 8, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Andrew M Ng · NPI 1235471871
Pediatrics physician in Sunnyvale, California. Individual provider, active in the CMS NPPES registry since March 21, 2013.
## Identity
- **NPI:** 1235471871 (Entity type: Individual)
- **Enumerated:** March 21, 2013
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A141038 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 OLD SAN FRANCISCO RD, Sunnyvale, CA 94086-6386
- **Phone:** (408) 739-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Sutter Bay Medical Foundation (NPI 1013950807, Palo Alto, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 8, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1235471871) · Data from the CMS NPPES public registry.