Yinn Shaung Ooi, M.D.
NPI 1013303304 · Internal Medicine Physician · Wynnewood, PA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yinn Shaung Ooi, M.D. is a Internal Medicine Physician provider in Wynnewood, PA (NPI 1013303304).
Provider details
- NPI number
- 1013303304
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,404 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 375 | $79 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 327 | $132 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 305 | $129 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 240 | $50 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 225 | $102 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 191 | 86 |
| Furosemide | 111 | 49 |
| Apixabanbrand: Eliquis | 109 | 39 |
| Metoprolol Succinate | 107 | 47 |
| Metoprolol Tartrate | 87 | 33 |
| Amlodipine Besylate | 86 | 38 |
| Spironolactone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$179 across 7 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
- 2015-04-13
- Last updated
- 2018-05-03
Frequently asked questions
- What is Yinn Shaung Ooi's NPI number?
- Yinn Shaung Ooi's National Provider Identifier (NPI) is 1013303304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yinn Shaung Ooi's specialty?
- Yinn Shaung Ooi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yinn Shaung Ooi located?
- Yinn Shaung Ooi's practice location on file with NPPES is 100 E Lancaster Ave, Wynnewood, PA 19096-3450.
- What is Yinn Shaung Ooi's phone number?
- The practice phone number listed in the NPPES registry for Yinn Shaung Ooi is (484) 476-2000.
- Does Yinn Shaung Ooi accept Medicare?
- Yinn Shaung Ooi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yinn Shaung Ooi's NPI active?
- Yes — Yinn Shaung Ooi's NPI (1013303304) is active in the NPPES registry as of the last update on 2018-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.