Marguerite Yao, MD
NPI 1093030264 · Internal Medicine Physician · Chapel Hill, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marguerite Yao, MD is a Internal Medicine Physician provider in Chapel Hill, NC (NPI 1093030264).
Provider details
- NPI number
- 1093030264
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2013-00760 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
1,118 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 235 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 161 | $83 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 149 | $7 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 121 | $13 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 104 | $119 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 249 | 70 |
| Losartan Potassium | 248 | 69 |
| Levothyroxine Sodium | 184 | 49 |
| Amlodipine Besylate | 147 | 38 |
| Gabapentin | 109 | 32 |
| Metoprolol Succinate | 96 | 27 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$31 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
- 2010-03-31
- Last updated
- 2021-08-21
- Certified
- 2021-08-21
Frequently asked questions
- What is Marguerite Yao's NPI number?
- Marguerite Yao's National Provider Identifier (NPI) is 1093030264, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marguerite Yao's specialty?
- Marguerite Yao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marguerite Yao located?
- Marguerite Yao's practice location on file with NPPES is 940 Martin Luther King Jr Blvd, Chapel Hill, NC 27514-2601.
- What is Marguerite Yao's phone number?
- The practice phone number listed in the NPPES registry for Marguerite Yao is (919) 942-5123.
- Does Marguerite Yao accept Medicare?
- Marguerite Yao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marguerite Yao's NPI active?
- Yes — Marguerite Yao's NPI (1093030264) is active in the NPPES registry as of the last update on 2021-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.