Shang Wu, M.D.
NPI 1336228253 · Gastroenterology Physician · Hacienda Heights, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shang Wu, M.D. is a Gastroenterology Physician provider in Hacienda Heights, CA (NPI 1336228253).
Provider details
- NPI number
- 1336228253
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A79748 (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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,442 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,536 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,257 | $94 |
| Complete Ultrasound Scan of Abdomen76700 | 921 | $126 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 702 | $9 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 302 | $113 |
| Measurement of Liver Stiffness91200 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 1,689 | 570 |
| Omeprazole | 1,220 | 421 |
| Atorvastatin Calcium | 408 | 128 |
| Pantoprazole Sodium | 391 | 149 |
| Metoclopramide Hcl | 381 | 361 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 331 | 110 |
| Tenofovir Alafenamidebrand: Vemlidy | 247 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33,800 across 108 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
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2023-05-22
- Certified
- 2023-05-22
Frequently asked questions
- What is Shang Wu's NPI number?
- Shang Wu's National Provider Identifier (NPI) is 1336228253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shang Wu's specialty?
- Shang Wu is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Shang Wu located?
- Shang Wu's practice location on file with NPPES is 3141 S Hacienda Blvd, Hacienda Heights, CA 91745-6304.
- What is Shang Wu's phone number?
- The practice phone number listed in the NPPES registry for Shang Wu is (626) 937-6663.
- Does Shang Wu accept Medicare?
- Shang Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shang Wu's NPI active?
- Yes — Shang Wu's NPI (1336228253) is active in the NPPES registry as of the last update on 2023-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.