Shenfon Chou, M.D.
NPI 1437334356 · Internal Medicine Physician · Orange, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shenfon Chou, M.D. is a Internal Medicine Physician provider in Orange, CA (NPI 1437334356).
Provider details
- NPI number
- 1437334356
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A105668 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 26 | 25 |
| Cefpodoxime Proxetil | 25 | 25 |
| Furosemide | 22 | 17 |
| Pantoprazole Sodium | 21 | — |
| Doxycycline Monohydrate | 19 | 18 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 15 |
| Metronidazole | 14 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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
- 2008-01-09
- Last updated
- 2024-03-25
- Certified
- 2024-03-25
Frequently asked questions
- What is Shenfon Chou's NPI number?
- Shenfon Chou's National Provider Identifier (NPI) is 1437334356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shenfon Chou's specialty?
- Shenfon Chou is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Shenfon Chou located?
- Shenfon Chou's practice location on file with NPPES is 2041 N Breckenridge St, Orange, CA 92867-2906.
- What is Shenfon Chou's phone number?
- The practice phone number listed in the NPPES registry for Shenfon Chou is (646) 823-6322.
- Does Shenfon Chou accept Medicare?
- Shenfon Chou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shenfon Chou's NPI active?
- Yes — Shenfon Chou's NPI (1437334356) is active in the NPPES registry as of the last update on 2024-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.