Judy Ko, MD
NPI 1093991275 · Rheumatology Physician · Lexington, VA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Judy Ko, MD is a Rheumatology Physician provider in Lexington, VA (NPI 1093991275).
Provider details
- NPI number
- 1093991275
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101257891 (VA)
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
18 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
1,065 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 | 645 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 151 | $91 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 132 | $87 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 67 | $163 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 42 | $125 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 720 | 189 |
| Prednisone | 619 | 163 |
| Hydroxychloroquine Sulfate | 393 | 111 |
| Gabapentin | 222 | 28 |
| Leflunomide | 178 | 53 |
| Pregabalin | 129 | 14 |
| Etanerceptbrand: Enbrel Sureclick |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$224 across 11 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
- 2008-01-17
- Last updated
- 2025-07-16
- Certified
- 2025-07-16
Frequently asked questions
- What is Judy Ko's NPI number?
- Judy Ko's National Provider Identifier (NPI) is 1093991275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Judy Ko's specialty?
- Judy Ko is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Judy Ko located?
- Judy Ko's practice location on file with NPPES is 30 Greenhouse Rd, Lexington, VA 24450-3789.
- What is Judy Ko's phone number?
- The practice phone number listed in the NPPES registry for Judy Ko is (540) 464-3465.
- Does Judy Ko accept Medicare?
- Judy Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Judy Ko's NPI active?
- Yes — Judy Ko's NPI (1093991275) is active in the NPPES registry as of the last update on 2025-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.