Quick answers
- Does Lornalyn J. Carrillo accept Medicare assignment?
- Yes. Medicare's clinician data says Lornalyn J. Carrillo 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 Lornalyn J. Carrillo see?
- In 2024, CMS data shows 355 Original Medicare patients and 1,289 services for Lornalyn J. Carrillo. This counts Original Medicare only and measures volume, not quality.
- What is Lornalyn J. Carrillo's NPI number?
- 1558383844. 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 Lornalyn J. Carrillo, 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 | 355 |
|---|---|
| Services billed to Medicare | 1,289 |
| Different services or procedures | 23 |
| 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)431 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)275 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)153 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)108 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)81 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%
- Diabetes45%
- Arthritis30%
- Ischemic heart disease27%
- Anxiety21%
Hospitals where Lornalyn J. Carrillo works
Medicare's Facility Affiliation Data lists Lornalyn J. Carrillo 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.
- AHMC Seton Medical CenterDaly City, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050289
- California Pacific Medical Center - Mission BernalSan Francisco, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050055
- Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007
- Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
- UCSF Medical CenterSan Francisco, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050454
Practice locations
Addresses where Lornalyn J. Carrillo is enrolled with Medicare (CMS data updated October 2, 2026).
- 1800 Sullivan Ave, Rm 101Daly City, CA 94015 (650) 994‑0459
Group practices
Medicare enrollment lists Lornalyn J. Carrillo as a member of this group (CMS data updated October 2, 2026).
- Carrillo Medical Group Professional Corporation2 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Daly City
Clinicians with the same Medicare primary specialty in Daly City, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558383844 |
| 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