Conway Lien, M.D.
NPI 1336276450 · Diagnostic Neuroimaging (Radiology) Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Conway Lien, M.D. is a Diagnostic Neuroimaging (Radiology) Physician provider in Stanford, CA (NPI 1336276450).
Provider details
- NPI number
- 1336276450
- Entity type
- Individual
- Primary specialty
- Diagnostic Neuroimaging (Radiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A76635 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
4,962 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 | 1,308 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 516 | $43 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 226 | $89 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 221 | $95 |
| Ct Scan of Chest Without Contrast71250 | 193 | $54 |
| X-Ray of Chest, 2 Views71046 | 156 | $11 |
Practice location
Mailing address
Additional practice locations (1)
- 1117 Grimley LnSan Jose, CA 95120-4223Phone: (408) 826-4912
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2024-04-08
- Certified
- 2024-04-08
Frequently asked questions
- What is Conway Lien's NPI number?
- Conway Lien's National Provider Identifier (NPI) is 1336276450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Conway Lien's specialty?
- Conway Lien is listed in the NPPES registry with a primary specialty of Diagnostic Neuroimaging (Radiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Conway Lien located?
- Conway Lien's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Conway Lien's phone number?
- The practice phone number listed in the NPPES registry for Conway Lien is (650) 723-4000.
- Does Conway Lien accept Medicare?
- Conway Lien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Conway Lien's NPI active?
- Yes — Conway Lien's NPI (1336276450) is active in the NPPES registry as of the last update on 2024-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.