Annie Lai, MD
NPI 1548202740 · Diagnostic Radiology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annie Lai, MD is a Diagnostic Radiology Physician provider in Walnut Creek, CA (NPI 1548202740).
Provider details
- NPI number
- 1548202740
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A64759 (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
20 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
3,126 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 483 | $10 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 217 | $208 |
| Mri Scan of Brain Without Contrast70551 | 187 | $80 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 182 | $11 |
| Ct Scan Head Or Brain Without Contrast70450 | 148 | $47 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 109 | $97 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$50 across 2 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)
- 1300 Crane StMenlo Park, CA 94025-4260Phone: (650) 498-6530
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2023-04-25
- Certified
- 2023-04-25
Frequently asked questions
- What is Annie Lai's NPI number?
- Annie Lai's National Provider Identifier (NPI) is 1548202740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annie Lai's specialty?
- Annie Lai is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Annie Lai located?
- Annie Lai's practice location on file with NPPES is 2125 Oak Grove Rd, Walnut Creek, CA 94598-2536.
- What is Annie Lai's phone number?
- The practice phone number listed in the NPPES registry for Annie Lai is (925) 296-7150.
- Does Annie Lai accept Medicare?
- Annie Lai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annie Lai's NPI active?
- Yes — Annie Lai's NPI (1548202740) is active in the NPPES registry as of the last update on 2023-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.