Quick answers
- Does Neil A. Louwrens accept Medicare assignment?
- Yes. Medicare's clinician data says Neil A. Louwrens accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Neil A. Louwrens see?
- In 2024, CMS data shows 209 Original Medicare patients and 1,799 services for Neil A. Louwrens. This counts Original Medicare only and measures volume, not quality.
- What is Neil A. Louwrens's NPI number?
- 1174621320. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Neil A. Louwrens, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 209 |
|---|---|
| Services billed to Medicare | 1,799 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Removal of skin and tissue, 20.0 sq cm or less (11042)614 services
- Removal of skin and tissue, each additional 20.0 sq cm or less (11045)237 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)139 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)139 services
- Removal of tissue from wound, 20.0 sq cm or less (97597)138 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Diabetes50%
- Ischemic heart disease37%
- Chronic kidney disease33%
Hospitals where Neil A. Louwrens works
Medicare's Facility Affiliation Data lists Neil A. Louwrens at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adventist Health Twin CitiesTempleton, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050633
- French Hospital Medical CenterSan Luis Obispo, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050232
Practice locations
Addresses where Neil A. Louwrens is enrolled with Medicare (CMS data updated October 2, 2026).
- 1051 Las Tablas RdTempleton, CA 93465
- 2440 Sister Mary Columba Dr, Suite 300Red Bluff, CA 96080 (530) 529‑8256
- 262 Posada Ln, Suite ATempleton, CA 93465 (805) 434‑3791
Group practices
Medicare enrollment lists Neil A. Louwrens as a member of this group (CMS data updated October 2, 2026).
- David B. Hammer123 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Templeton
Clinicians with the same Medicare primary specialty in Templeton, CA — not a recommendation.
Other clinicians in David B. Hammer
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1174621320 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians