Neil Louwrens, M.D.
NPI 1174621320 · Internal Medicine Physician · Red Bluff, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neil Louwrens, M.D. is a Internal Medicine Physician provider in Red Bluff, CA (NPI 1174621320).
Provider details
- NPI number
- 1174621320
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6630A (WY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,560 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) |
|---|---|---|
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 614 | $59 |
| Removal of Skin and Tissue, Each Additional 20.0 Sq Cm Or Less11045 | 237 | $24 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 139 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 139 | $65 |
| Removal of Tissue From Wound, 20.0 Sq Cm Or Less97597 | 138 | $34 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Monohydrate | 91 | 45 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 28 | 20 |
| Fluconazole | 24 | 16 |
| Betamethasone Dipropionate | 17 | — |
| Prednisone | 15 | — |
| Clindamycin Hcl | 15 | — |
| Cephalexin | 13 | — |
| Levofloxacin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$461 across 18 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
Additional practice locations (2)
- 1950 Rosaline Ave Ste BRedding, CA 96001-2543Phone: (530) 245-4801Fax: (530) 245-4809
- 1755 East St Ste M4Redding, CA 96001-1106Phone: (855) 788-3627Fax: (855) 788-3627
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2023-09-18
- Certified
- 2023-09-18
Frequently asked questions
- What is Neil Louwrens's NPI number?
- Neil Louwrens's National Provider Identifier (NPI) is 1174621320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Neil Louwrens's specialty?
- Neil Louwrens is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Neil Louwrens located?
- Neil Louwrens's practice location on file with NPPES is 2440 Sister Mary Columba Dr Ste 300, Red Bluff, CA 96080-4356.
- What is Neil Louwrens's phone number?
- The practice phone number listed in the NPPES registry for Neil Louwrens is (888) 633-1441.
- Does Neil Louwrens accept Medicare?
- Neil Louwrens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Neil Louwrens's NPI active?
- Yes — Neil Louwrens's NPI (1174621320) is active in the NPPES registry as of the last update on 2023-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.