Alexander Ho, M.D.
NPI 1629251566 · Diagnostic Radiology Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Ho, M.D. is a Diagnostic Radiology Physician provider in Fontana, CA (NPI 1629251566).
Provider details
- NPI number
- 1629251566
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A114491 (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
18 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
748 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 214 | $9 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 73 | $86 |
| Ct Scan Head Or Brain Without Contrast70450 | 70 | $40 |
| X-Ray of Chest, 2 Views71046 | 58 | $11 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 48 | $83 |
| Ct Scan of Chest Without Contrast71250 | 31 | $51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$200 across 11 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
- 2007-12-13
- Last updated
- 2026-04-01
- Certified
- 2026-04-01
Frequently asked questions
- What is Alexander Ho's NPI number?
- Alexander Ho's National Provider Identifier (NPI) is 1629251566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Ho's specialty?
- Alexander Ho is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Ho located?
- Alexander Ho's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Alexander Ho's phone number?
- The practice phone number listed in the NPPES registry for Alexander Ho is (909) 427-3562.
- Does Alexander Ho accept Medicare?
- Alexander Ho is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Ho's NPI active?
- Yes — Alexander Ho's NPI (1629251566) is active in the NPPES registry as of the last update on 2026-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.