Kirk So, M.D.
NPI 1780610345 · Diagnostic Radiology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kirk So, M.D. is a Diagnostic Radiology Physician provider in Walnut Creek, CA (NPI 1780610345).
Provider details
- NPI number
- 1780610345
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A87456 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,624 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 | 386 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 278 | $47 |
| Screening Mammography77067 | 275 | $43 |
| Screening 3d Breast Mammography77063 | 274 | $34 |
| Mri Scan of Brain Without Contrast70551 | 184 | $80 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 149 | $93 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-24
- Last updated
- 2015-04-02
Frequently asked questions
- What is Kirk So's NPI number?
- Kirk So's National Provider Identifier (NPI) is 1780610345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kirk So's specialty?
- Kirk So is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Kirk So located?
- Kirk So's practice location on file with NPPES is 2125 Oak Grove Rd, Walnut Creek, CA 94598-2536.
- What is Kirk So's phone number?
- The practice phone number listed in the NPPES registry for Kirk So is (925) 296-7150.
- Does Kirk So accept Medicare?
- Kirk So is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kirk So's NPI active?
- Yes — Kirk So's NPI (1780610345) is active in the NPPES registry as of the last update on 2015-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.