DR. JOHN ROBERT MILLS M.D.
NPI 1679624449
Pediatrics in Daly City, CA
About Dr. John Robert Mills M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN ROBERT MILLS M.D. (NPI 1679624449) is an individual pediatrics provider in Daly City, California, licensed in California (G76506) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John Robert Mills M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show John Mills reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Honolulu, HI 96826
- Reassigned Medicare billing, Hawaii enrollment
- 370 clinicians in this Medicare group
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 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 94015 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.
DALY CITY, CA 94015
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 John Mills's NPI number?
The NPI number for John Mills is 1679624449. It was assigned to this individual provider in the NPPES registry on January 16, 2007.
Where is John Mills located?
John Mills practices at 1900 Sullivan Ave, Daly City, CA 94015. The listed phone number is (650) 315-7928.
What is John Mills's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is John Mills enrolled in Medicare?
Yes. John Mills is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Mills's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Mills reassigns Medicare benefits to 2 organizations: Kapiolani Medical Specialists (Honolulu, HI) and Hawaii Permanente Medical Group Inc (Honolulu, HI). Each 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 John Mills'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 John Mills was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.