Louis Krenn, M.D.
NPI 1528071263 · Family Medicine Physician · Springfield, MO
Louis Krenn, M.D. is a Family Medicine Physician provider in Springfield, MO (NPI 1528071263).
Provider details
- NPI number
- 1528071263
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2002014066 (MO)
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
19 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
458 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 | 175 | $117 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 132 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $82 |
| Hemoglobin A1c Level83036 | 46 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 44 | $118 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 120 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 669 | 290 |
| Lisinopril | 397 | 190 |
| Amlodipine Besylate | 333 | 158 |
| Levothyroxine Sodium | 325 | 124 |
| Omeprazole | 213 | 80 |
| Metoprolol Succinate | 204 | 92 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$63 across 4 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
- 2006-08-14
- Last updated
- 2018-04-23
Frequently asked questions
- What is Louis Krenn's NPI number?
- Louis Krenn's National Provider Identifier (NPI) is 1528071263, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Krenn's specialty?
- Louis Krenn is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Krenn located?
- Louis Krenn's practice location on file with NPPES is 3805 S Kansas Expy Ste B, Springfield, MO 65807-6989.
- What is Louis Krenn's phone number?
- The practice phone number listed in the NPPES registry for Louis Krenn is (417) 269-0269.
- Is Louis Krenn's NPI active?
- Yes — Louis Krenn's NPI (1528071263) is active in the NPPES registry as of the last update on 2018-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.