Quick answers
- Does Mollie M. Johnston accept Medicare assignment?
- Yes. Medicare's clinician data says Mollie M. Johnston 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 Mollie M. Johnston see?
- In 2024, CMS data shows 87 Original Medicare patients and 27,672 services for Mollie M. Johnston. This counts Original Medicare only and measures volume, not quality.
- What is Mollie M. Johnston's NPI number?
- 1093981276. 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 Mollie M. Johnston, 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 | 87 |
|---|---|
| Services billed to Medicare | 27,672 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Injection, onabotulinumtoxina, 1 unit (J0585)25,700 services
- Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face (64615)136 services
- Injection into tendon at attachment to bone or muscle (20551)129 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)97 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)96 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).
- Arthritis72%
- High cholesterol62%
- High blood pressure57%
- Anxiety38%
- Depression37%
- Osteoporosis33%
Practice locations
Addresses where Mollie M. Johnston is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Medical Plz, Suite 425Los Angeles, CA 90095 (310) 794‑1500
- 150 Medical PlzLos Angeles, CA 90095 (310) 825‑9989
- 200 UCLA Medical Plz, Suite 120Los Angeles, CA 90095 (310) 206‑6931
- 300 Medical Plaza, B200Los Angeles, CA 90095 (310) 794‑1195
- 300 Medical PlzLos Angeles, CA 90095
Group practices
Medicare enrollment lists Mollie M. Johnston as a member of this group (CMS data updated October 2, 2026).
- The Regents of the University of California97 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in The Regents of the University of California
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 2007 (19 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) | 1093981276 |
| 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
- 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