DR. IVY EWALD MD
NPI 1376104315
Radiology - Diagnostic Radiology in San Francisco, CA
About Dr. Ivy Ewald Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IVY EWALD MD (NPI 1376104315) is an individual diagnostic radiology provider in San Francisco, California, licensed in California (A195481) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Un Of California, Irvine, College Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ivy Ewald Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Ivy Ewald reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94115
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 336 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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 7
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
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 Ivy Ewald's NPI number?
The NPI number for Ivy Ewald is 1376104315. It was assigned to this individual provider in the NPPES registry on June 20, 2019.
Where is Ivy Ewald located?
Ivy Ewald practices at 1600 Divisadero St Rm C250, San Francisco, CA 94143. The listed phone number is (415) 885-7464.
What is Ivy Ewald's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Ivy Ewald enrolled in Medicare?
Yes. Ivy Ewald is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ivy Ewald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ivy Ewald reassigns Medicare benefits to 4 organizations: City & County Of San Francisco (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Of California Sfgh Medical Group (San Francisco, CA). 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 Ivy Ewald'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 Ivy Ewald was last updated on April 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Ivy Ewald, MD · NPI 1376104315
Diagnostic Radiology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since June 20, 2019.
## Identity
- **NPI:** 1376104315 (Entity type: Individual)
- **Enumerated:** June 20, 2019
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A195481 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1600 DIVISADERO ST RM C250, San Francisco, CA 94143-3010
- **Phone:** (415) 885-7464
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): City & County Of San Francisco (NPI 1932140795, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1063487122, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Un Of California, Irvine, College Of Medicine, class of 2019
## Record status
- **NPPES last updated:** April 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1376104315) · Data from the CMS NPPES public registry.