Henry Ow-Yong, M.D.
NPI 1154435428 · Internal Medicine Physician · Visalia, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Henry Ow-Yong, M.D. is a Internal Medicine Physician provider in Visalia, CA (NPI 1154435428).
Provider details
- NPI number
- 1154435428
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A88630 (CA)
Specialties & taxonomies
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
711 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) |
|---|---|---|
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 263 | $2 |
| Hemoglobin A1c Level83036 | 254 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 121 | $77 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 21 | $128 |
| Automated Urinalysis Test81003 | 19 | $2 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 18 | $80 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 303 | 36 |
| Atorvastatin Calcium | 235 | 60 |
| Amlodipine Besylate | 175 | 49 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 169 | 35 |
| Gabapentin | 168 | 33 |
| Omeprazole | 138 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$276 across 8 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
- 2006-08-17
- Last updated
- 2020-12-18
- Certified
- 2020-12-18
Frequently asked questions
- What is Henry Ow-Yong's NPI number?
- Henry Ow-Yong's National Provider Identifier (NPI) is 1154435428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henry Ow-Yong's specialty?
- Henry Ow-Yong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Henry Ow-Yong located?
- Henry Ow-Yong's practice location on file with NPPES is 2611 N Dinuba Blvd, Visalia, CA 93291-9003.
- What is Henry Ow-Yong's phone number?
- The practice phone number listed in the NPPES registry for Henry Ow-Yong is (559) 733-6348.
- Does Henry Ow-Yong accept Medicare?
- Henry Ow-Yong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Henry Ow-Yong's NPI active?
- Yes — Henry Ow-Yong's NPI (1154435428) is active in the NPPES registry as of the last update on 2020-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.