Yunyu Cao, MD
NPI 1417091802 · Internal Medicine Physician · Issaquah, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yunyu Cao, MD is a Internal Medicine Physician provider in Issaquah, WA (NPI 1417091802).
Provider details
- NPI number
- 1417091802
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00047351 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
1,358 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 401 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 274 | $144 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 181 | $103 |
| 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 | 169 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 128 | $149 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 365 | 116 |
| Amlodipine Besylate | 319 | 103 |
| Lisinopril | 255 | 76 |
| Levothyroxine Sodium | 185 | 56 |
| Losartan Potassium | 168 | 54 |
| Gabapentin | 148 | 39 |
| Oxycodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-18
- Last updated
- 2013-11-25
Frequently asked questions
- What is Yunyu Cao's NPI number?
- Yunyu Cao's National Provider Identifier (NPI) is 1417091802, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yunyu Cao's specialty?
- Yunyu Cao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yunyu Cao located?
- Yunyu Cao's practice location on file with NPPES is 1455 11th Ave Nw, Issaquah, WA 98027-5319.
- What is Yunyu Cao's phone number?
- The practice phone number listed in the NPPES registry for Yunyu Cao is (425) 391-3900.
- Does Yunyu Cao accept Medicare?
- Yunyu Cao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yunyu Cao's NPI active?
- Yes — Yunyu Cao's NPI (1417091802) is active in the NPPES registry as of the last update on 2013-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.