Mardonio Yap, M.D.
NPI 1548495641 · Surgery Physician · Saint Louis, MO
Mardonio Yap, M.D. is a Surgery Physician provider in Saint Louis, MO (NPI 1548495641).
Provider details
- NPI number
- 1548495641
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 30508 (MO)
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 tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-19
- Last updated
- 2009-05-19
Frequently asked questions
- What is Mardonio Yap's NPI number?
- Mardonio Yap's National Provider Identifier (NPI) is 1548495641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mardonio Yap's specialty?
- Mardonio Yap is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mardonio Yap located?
- Mardonio Yap's practice location on file with NPPES is 2010 Grecian Way Ct, Saint Louis, MO 63131-1607.
- What is Mardonio Yap's phone number?
- The practice phone number listed in the NPPES registry for Mardonio Yap is (314) 965-3915.
- Is Mardonio Yap's NPI active?
- Yes — Mardonio Yap's NPI (1548495641) is active in the NPPES registry as of the last update on 2009-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.