Ermei Yao, PA-C
NPI 1033361563 · Physician Assistant · Iowa City, IA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ermei Yao, PA-C is a Physician Assistant provider in Iowa City, IA (NPI 1033361563).
Provider details
- NPI number
- 1033361563
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 001936 (IA)
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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
795 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 234 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 161 | $113 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 113 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 84 | $76 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 495 | 151 |
| Hydroxychloroquine Sulfate | 434 | 145 |
| Prednisone | 298 | 106 |
| Sulfasalazinebrand: Sulfasalazine Dr | 135 | 36 |
| Leflunomide | 132 | 58 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 98 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-15
- Last updated
- 2025-08-18
- Certified
- 2025-08-18
Frequently asked questions
- What is Ermei Yao's NPI number?
- Ermei Yao's National Provider Identifier (NPI) is 1033361563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ermei Yao's specialty?
- Ermei Yao is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ermei Yao located?
- Ermei Yao's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Ermei Yao's phone number?
- The practice phone number listed in the NPPES registry for Ermei Yao is (319) 356-8133.
- Does Ermei Yao accept Medicare?
- Ermei Yao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ermei Yao's NPI active?
- Yes — Ermei Yao's NPI (1033361563) is active in the NPPES registry as of the last update on 2025-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.