Quick answers
- Does Jennifer A. Kim Loomis accept Medicare assignment?
- Yes. Medicare's clinician data says Jennifer A. Kim Loomis 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 Jennifer A. Kim Loomis see?
- In 2024, CMS data shows 283 Original Medicare patients and 7,653 services for Jennifer A. Kim Loomis. This counts Original Medicare only and measures volume, not quality.
- What is Jennifer A. Kim Loomis's NPI number?
- 1215136940. 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 Jennifer A. Kim Loomis, 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 | 283 |
|---|---|
| Services billed to Medicare | 7,653 |
| Different services or procedures | 61 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent 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)795 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)735 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)202 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)164 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)164 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 cholesterol75%
- High blood pressure64%
- Arthritis41%
- Anxiety29%
- Osteoporosis26%
- Ischemic heart disease21%
Hospitals where Jennifer A. Kim Loomis works
Medicare's Facility Affiliation Data lists Jennifer A. Kim Loomis 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.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224
- Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050485
- Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050678
- UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348
Practice locations
Addresses where Jennifer A. Kim Loomis is enrolled with Medicare (CMS data updated October 2, 2026).
- 3851 Katella Ave, Suite 275Los Alamitos, CA 90720 (562) 296‑5528
Group practices
Medicare enrollment lists Jennifer A. Kim Loomis as a member of this group (CMS data updated October 2, 2026).
- Prohealth Partners, a Medical Group239 clinicians in the group
Specialties
Other family doctors in Los Alamitos
Clinicians with the same Medicare primary specialty in Los Alamitos, CA — not a recommendation.
Other clinicians in Prohealth Partners, a Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2004 (22 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) | 1215136940 |
| 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