Dennis Tansiongco, MD
NPI 1174588040 · Adolescent Medicine (Internal Medicine) Physician · Plainview, NY
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Tansiongco, MD is a Adolescent Medicine (Internal Medicine) Physician provider in Plainview, NY (NPI 1174588040).
Provider details
- NPI number
- 1174588040
- Entity type
- Individual
- Primary specialty
- Adolescent Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 193133 (NY)
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
20 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 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
- 2006-04-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dennis Tansiongco's NPI number?
- Dennis Tansiongco's National Provider Identifier (NPI) is 1174588040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Tansiongco's specialty?
- Dennis Tansiongco is listed in the NPPES registry with a primary specialty of Adolescent Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Tansiongco located?
- Dennis Tansiongco's practice location on file with NPPES is 1425 Old Country Rd, Plainview, NY 11803-5010.
- What is Dennis Tansiongco's phone number?
- The practice phone number listed in the NPPES registry for Dennis Tansiongco is (516) 694-6008.
- Does Dennis Tansiongco accept Medicare?
- Dennis Tansiongco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Tansiongco's NPI active?
- Yes — Dennis Tansiongco's NPI (1174588040) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.