Susan Cha, M.D.
NPI 1346360146 · Diagnostic Radiology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Cha, M.D. is a Diagnostic Radiology Physician provider in Walnut Creek, CA (NPI 1346360146).
Provider details
- NPI number
- 1346360146
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A112509 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,917 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 737 | $119 |
| Ct Scan of Chest With Contrast71260 | 610 | $56 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 381 | $91 |
| Ct Scan of Abdomen and Pelvis Before and After Contrast74178 | 228 | $100 |
| Nuclear Medicine Study of Bone And/Or Joint Whole Body78306 | 195 | $41 |
| Nuclear Medicine Study Whole Body With Ct Scan78816 | 188 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$88 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1500 Duarte RdDuarte, CA 91010-3012Phone: (626) 256-4673
Registry dates
- Enumerated
- 2007-03-29
- Last updated
- 2022-06-01
- Certified
- 2022-06-01
Frequently asked questions
- What is Susan Cha's NPI number?
- Susan Cha's National Provider Identifier (NPI) is 1346360146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Cha's specialty?
- Susan Cha is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Cha located?
- Susan Cha's practice location on file with NPPES is 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598-3122.
- What is Susan Cha's phone number?
- The practice phone number listed in the NPPES registry for Susan Cha is (925) 296-7150.
- Does Susan Cha accept Medicare?
- Susan Cha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Cha's NPI active?
- Yes — Susan Cha's NPI (1346360146) is active in the NPPES registry as of the last update on 2022-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.