Allison Kwong, MD
NPI 1346515426 · Gastroenterology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Kwong, MD is a Gastroenterology Physician provider in Stanford, CA (NPI 1346515426).
Provider details
- NPI number
- 1346515426
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A126767 (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
14 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
293 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 | 124 | $133 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 41 | $89 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $129 |
| Measurement of Liver Stiffness91200 | 21 | $12 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 21 | $165 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 47 | 14 |
| Spironolactone | 36 | — |
| Tenofovir Alafenamidebrand: Vemlidy | 36 | — |
| Rifaximinbrand: Xifaxan | 34 | — |
| Propranolol Hcl | 32 | — |
| Pantoprazole Sodium | 30 | — |
| Entecavir | 28 | — |
Practice location
Mailing address
Additional practice locations (1)
- 430 Broadway St Fl C3Redwood City, CA 94063-3132Phone: (650) 498-7999
Registry dates
- Enumerated
- 2012-03-21
- Last updated
- 2024-04-25
- Certified
- 2024-04-25
Frequently asked questions
- What is Allison Kwong's NPI number?
- Allison Kwong's National Provider Identifier (NPI) is 1346515426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Kwong's specialty?
- Allison Kwong is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Kwong located?
- Allison Kwong's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Allison Kwong's phone number?
- The practice phone number listed in the NPPES registry for Allison Kwong is (650) 723-4000.
- Does Allison Kwong accept Medicare?
- Allison Kwong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Kwong's NPI active?
- Yes — Allison Kwong's NPI (1346515426) is active in the NPPES registry as of the last update on 2024-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.