Ying-Ying Kao, MD
NPI 1891020988 · Orthopaedic Surgery Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ying-Ying Kao, MD is a Orthopaedic Surgery Physician provider in Atlanta, GA (NPI 1891020988).
Provider details
- NPI number
- 1891020988
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- 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 tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,067 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) |
|---|---|---|
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 983 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 587 | $92 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 456 | $129 |
| X-Ray of Knee, 4 Or More Views73564 | 444 | $48 |
| X-Ray of Hip, 2-3 Views73502 | 212 | $48 |
| X-Ray of Knee, 3 Views73562 | 85 | $41 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Diclofenac Sodium | 133 | 43 |
| Methylprednisolone | 132 | 101 |
| Amoxicillin | 127 | 97 |
| Oxycodone Hcl | 115 | 70 |
| Meloxicam | 109 | 42 |
| Tramadol Hcl | 56 | 32 |
| Clindamycin Hcl | 33 | 26 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-10-07
- Last updated
- 2016-12-22
Frequently asked questions
- What is Ying-Ying Kao's NPI number?
- Ying-Ying Kao's National Provider Identifier (NPI) is 1891020988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ying-Ying Kao's specialty?
- Ying-Ying Kao is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ying-Ying Kao located?
- Ying-Ying Kao's practice location on file with NPPES is 5671 Peachtree Dunwoody Rd, Atlanta, GA 30342-5000.
- What is Ying-Ying Kao's phone number?
- The practice phone number listed in the NPPES registry for Ying-Ying Kao is (404) 847-9999.
- Does Ying-Ying Kao accept Medicare?
- Ying-Ying Kao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ying-Ying Kao's NPI active?
- Yes — Ying-Ying Kao's NPI (1891020988) is active in the NPPES registry as of the last update on 2016-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.