Lijia Xie, MD
NPI 1336535889 · Internal Medicine Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lijia Xie, MD is a Internal Medicine Physician provider in Stanford, CA (NPI 1336535889).
Provider details
- NPI number
- 1336535889
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A144646 (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
11 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
618 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 318 | $132 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 102 | $130 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 99 | $192 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 54 | $87 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 30 | $145 |
| Critical Care, First 30-74 Minutes99291 | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 5555 W Las Positas BlvdPleasanton, CA 94588-4000Phone: (925) 416-6681
Registry dates
- Enumerated
- 2015-04-11
- Last updated
- 2024-04-24
- Certified
- 2024-04-24
Frequently asked questions
- What is Lijia Xie's NPI number?
- Lijia Xie's National Provider Identifier (NPI) is 1336535889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lijia Xie's specialty?
- Lijia Xie is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lijia Xie located?
- Lijia Xie's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Lijia Xie's phone number?
- The practice phone number listed in the NPPES registry for Lijia Xie is (650) 723-4000.
- Does Lijia Xie accept Medicare?
- Lijia Xie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lijia Xie's NPI active?
- Yes — Lijia Xie's NPI (1336535889) is active in the NPPES registry as of the last update on 2024-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.