Ivy Ewald, MD
NPI 1376104315 · Diagnostic Radiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ivy Ewald, MD is a Diagnostic Radiology Physician provider in San Francisco, CA (NPI 1376104315).
Provider details
- NPI number
- 1376104315
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A195481 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
121 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 73 | $9 |
| X-Ray of Abdomen, 1 View74018 | 31 | $10 |
| X-Ray of Chest, 2 Views71046 | 17 | $12 |
Typical Medicare-allowed amounts for these services range $9–$12 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 100 W California BlvdPasadena, CA 91105-3010Phone: (626) 397-5000
- 1001 Potrero AvenueBldg. 5, 1st Fl.San Francisco, CA 94110-3518Phone: (628) 206-8020
Registry dates
- Enumerated
- 2019-06-20
- Last updated
- 2025-04-08
- Certified
- 2025-04-08
Frequently asked questions
- What is Ivy Ewald's NPI number?
- Ivy Ewald's National Provider Identifier (NPI) is 1376104315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ivy Ewald's specialty?
- Ivy Ewald is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ivy Ewald located?
- Ivy Ewald's practice location on file with NPPES is 1600 Divisadero St Rm C250, San Francisco, CA 94143-3010.
- What is Ivy Ewald's phone number?
- The practice phone number listed in the NPPES registry for Ivy Ewald is (415) 885-7464.
- Does Ivy Ewald accept Medicare?
- Ivy Ewald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ivy Ewald's NPI active?
- Yes — Ivy Ewald's NPI (1376104315) is active in the NPPES registry as of the last update on 2025-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.