Jennifer Kim Loomis, D.O.
NPI 1215136940 · Family Medicine Physician · Los Alamitos, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Kim Loomis, D.O. is a Family Medicine Physician provider in Los Alamitos, CA (NPI 1215136940).
Provider details
- NPI number
- 1215136940
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2OA9418 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,991 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) |
|---|---|---|
| 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'SG2211 | 795 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 735 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 202 | $98 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 164 | $194 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 164 | $54 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 134 | 41 |
| Rosuvastatin Calcium | 87 | 32 |
| Alendronate Sodium | 87 | 28 |
| Atorvastatin Calcium | 86 | 27 |
| Losartan Potassium | 85 | 28 |
| Amlodipine Besylate | 84 | 30 |
| Progesterone, Micronizedbrand: Progesterone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$964 across 47 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
Registry dates
- Enumerated
- 2007-07-12
- Last updated
- 2012-01-09
Frequently asked questions
- What is Jennifer Kim Loomis's NPI number?
- Jennifer Kim Loomis's National Provider Identifier (NPI) is 1215136940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Kim Loomis's specialty?
- Jennifer Kim Loomis is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Kim Loomis located?
- Jennifer Kim Loomis's practice location on file with NPPES is 3801 Katella Ave, Los Alamitos, CA 90720-3338.
- What is Jennifer Kim Loomis's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Kim Loomis is (562) 296-5528.
- Does Jennifer Kim Loomis accept Medicare?
- Jennifer Kim Loomis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Kim Loomis's NPI active?
- Yes — Jennifer Kim Loomis's NPI (1215136940) is active in the NPPES registry as of the last update on 2012-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.