Yan Jiang, MD
NPI 1831585595 · Gastroenterology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yan Jiang, MD is a Gastroenterology Physician provider in Stanford, CA (NPI 1831585595).
Provider details
- NPI number
- 1831585595
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A144060 (CA)
Specialties & taxonomies
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
11 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
493 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 87 | $169 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $132 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 41 | $142 |
| Study of Esophagus to Assess Movement91010 | 34 | $73 |
| Monitoring and Recording of Esophageal Function Through Nasal Tube With Electrode91037 | 34 | $55 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the Monito |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 75 | 27 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 33 | 33 |
| Linaclotidebrand: Linzess | 32 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 22 | 22 |
| Pantoprazole Sodium | 21 | — |
| Famotidine | 21 | — |
| Esomeprazole Magnesium | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-09
- Last updated
- 2024-04-26
- Certified
- 2024-04-26
Frequently asked questions
- What is Yan Jiang's NPI number?
- Yan Jiang's National Provider Identifier (NPI) is 1831585595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yan Jiang's specialty?
- Yan Jiang is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Yan Jiang located?
- Yan Jiang's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Yan Jiang's phone number?
- The practice phone number listed in the NPPES registry for Yan Jiang is (650) 723-4000.
- Does Yan Jiang accept Medicare?
- Yan Jiang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yan Jiang's NPI active?
- Yes — Yan Jiang's NPI (1831585595) is active in the NPPES registry as of the last update on 2024-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.