Quick answers
- Does David F. Lemmel accept Medicare assignment?
- Yes. Medicare's clinician data says David F. Lemmel 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 David F. Lemmel see?
- In 2024, CMS data shows 269 Original Medicare patients and 2,734 services for David F. Lemmel. This counts Original Medicare only and measures volume, not quality.
- What is David F. Lemmel's NPI number?
- 1871526590. 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 David F. Lemmel, 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 | 269 |
|---|---|
| Services billed to Medicare | 2,734 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)419 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)182 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)120 services
- 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 (G2211)111 services
- Administration of influenza virus vaccine (G0008)51 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%
- Arthritis44%
- Diabetes32%
- Depression22%
- Chronic kidney disease22%
Hospitals where David F. Lemmel works
Medicare's Facility Affiliation Data lists David F. Lemmel 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.
- Lompoc Valley Medical CenterLompoc, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050110
- Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050107
Practice locations
Addresses where David F. Lemmel is enrolled with Medicare (CMS data updated October 2, 2026).
- 136 N 3rd StLompoc, CA 93436 (805) 737‑3300
Group practices
Medicare enrollment lists David F. Lemmel as a member of this group (CMS data updated October 2, 2026).
- Lompoc Valley Medical Center91 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Lompoc
Clinicians with the same Medicare primary specialty in Lompoc, CA — not a recommendation.
Other clinicians in Lompoc Valley Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871526590 |
| 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