Lawrence Rueff, M.D.
NPI 1891789996 · Internal Medicine Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence Rueff, M.D. is a Internal Medicine Physician provider in Louisville, KY (NPI 1891789996).
Provider details
- NPI number
- 1891789996
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 26028 (KY)
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
20 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
1,780 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 592 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 508 | $121 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 143 | $53 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 84 | $113 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 81 | $13 |
| Advance Care Planning, First 30 Minutes99497 | 60 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 327 | 88 |
| Tamsulosin Hcl | 156 | 45 |
| Amlodipine Besylate | 155 | 37 |
| Levothyroxine Sodium | 142 | 41 |
| Furosemide | 122 | 36 |
| Metoprolol Succinate | 121 | 36 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (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
- 2005-09-02
- Last updated
- 2019-02-12
Frequently asked questions
- What is Lawrence Rueff's NPI number?
- Lawrence Rueff's National Provider Identifier (NPI) is 1891789996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence Rueff's specialty?
- Lawrence Rueff is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence Rueff located?
- Lawrence Rueff's practice location on file with NPPES is 4001 Kresge Way Ste 315, Louisville, KY 40207-4640.
- What is Lawrence Rueff's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Rueff is (502) 384-8520.
- Does Lawrence Rueff accept Medicare?
- Lawrence Rueff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lawrence Rueff's NPI active?
- Yes — Lawrence Rueff's NPI (1891789996) is active in the NPPES registry as of the last update on 2019-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.