DR. IAN CHRISTOPHER HOPPER DO
NPI 1396206587
Pediatrics in San Francisco, CA
About Dr. Ian Christopher Hopper Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IAN CHRISTOPHER HOPPER DO (NPI 1396206587) is an individual pediatrics provider in San Francisco, California, licensed in California (20A19517) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and maintains a secondary practice location in Petaluma.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ian Christopher Hopper Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ian Hopper reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Napa, CA 94558
- Reassigned Medicare billing, California enrollment
- 1,699 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 94143 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.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Ian Hopper's NPI number?
The NPI number for Ian Hopper is 1396206587. It was assigned to this individual provider in the NPPES registry on March 29, 2019.
Where is Ian Hopper located?
Ian Hopper practices at 1975 4th St Fl 3, San Francisco, CA 94143. The listed phone number is (415) 353-1565.
What is Ian Hopper's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ian Hopper enrolled in Medicare?
Yes. Ian Hopper is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ian Hopper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Hopper reassigns Medicare benefits to Providence Medical Foundation (Napa, 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 Ian Hopper'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 Ian Hopper was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Dr. Ian Christopher Hopper, DO · NPI 1396206587
Pediatrics physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 29, 2019.
## Identity
- **NPI:** 1396206587 (Entity type: Individual)
- **Enumerated:** March 29, 2019
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 20A19517 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1975 4TH ST FL 3, San Francisco, CA 94143-2351
- **Phone:** (415) 353-1565
## 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:** Providence Medical Foundation (NPI 1205131950, Napa, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1396206587) · Data from the CMS NPPES public registry.