Karen Joos, MD
NPI 1447359872 · Ophthalmology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Joos, MD is a Ophthalmology Physician provider in Nashville, TN (NPI 1447359872).
Provider details
- NPI number
- 1447359872
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD25481 (TN)
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
565 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 226 | $93 |
| Exam of Visual Field With Extended Testing92083 | 156 | $25 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 | $62 |
| Imaging of Optic Nerve92133 | 45 | $20 |
| Established Patient Complete Exam of Visual System92014 | 32 | $73 |
| Exam of the Internal Drainage System of Eye92020 | 27 | $18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 513 | 157 |
| Brimonidine Tartrate | 234 | 73 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 202 | 67 |
| Timolol Maleate | 172 | 51 |
| Dorzolamide Hcl | 148 | 39 |
| Methazolamide | 102 | 26 |
| Netarsudil Mesylatebrand: Rhopressa | 66 | 20 |
| Prednisolone Acetate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2022-03-23
- Certified
- 2022-03-23
Frequently asked questions
- What is Karen Joos's NPI number?
- Karen Joos's National Provider Identifier (NPI) is 1447359872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Joos's specialty?
- Karen Joos is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Joos located?
- Karen Joos's practice location on file with NPPES is 3601 Tvc, Nashville, TN 37232-0001.
- What is Karen Joos's phone number?
- The practice phone number listed in the NPPES registry for Karen Joos is (615) 322-3000.
- Does Karen Joos accept Medicare?
- Karen Joos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Joos's NPI active?
- Yes — Karen Joos's NPI (1447359872) is active in the NPPES registry as of the last update on 2022-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.