Dennis Ong, NP-C
NPI 1295269298 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Ong, NP-C is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1295269298).
Provider details
- NPI number
- 1295269298
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Male
- Sole proprietor
- No
- License
- AP133650 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 129 | 119 |
| Ibuprofen | 110 | 99 |
| Azithromycin | 100 | 94 |
| Doxycycline Hyclate | 44 | 44 |
| Molnupiravirbrand: Lagevrio (eua) | 33 | 33 |
| Meloxicam | 32 | 29 |
| Mupirocin | 30 | 29 |
| Cephalexin | 21 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$70 across 2 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
- 2017-04-17
- Last updated
- 2017-04-17
Frequently asked questions
- What is Dennis Ong's NPI number?
- Dennis Ong's National Provider Identifier (NPI) is 1295269298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Ong's specialty?
- Dennis Ong is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dennis Ong located?
- Dennis Ong's practice location on file with NPPES is 11345 Alamo Ranch Pkwy Ste 103, San Antonio, TX 78253-6442.
- What is Dennis Ong's phone number?
- The practice phone number listed in the NPPES registry for Dennis Ong is (210) 957-1693.
- Does Dennis Ong accept Medicare?
- Dennis Ong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Ong's NPI active?
- Yes — Dennis Ong's NPI (1295269298) is active in the NPPES registry as of the last update on 2017-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.