Quick answers
- Does Mary Nganga accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Nganga 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 Mary Nganga see?
- In 2024, CMS data shows 162 Original Medicare patients and 1,250 services for Mary Nganga. This counts Original Medicare only and measures volume, not quality.
- What is Mary Nganga's NPI number?
- 1578920880. 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 Mary Nganga, 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 | 162 |
|---|---|
| Services billed to Medicare | 1,250 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month (99489)344 services
- Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)165 services
- Telephone medical discussion with physician, 21-30 minutes (99443)151 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)147 services
- Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)114 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 cholesterol74%
- Diabetes53%
- Heart failure49%
- Arthritis48%
- Depression47%
Practice locations
Addresses where Mary Nganga is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 11838 Bernardo Plaza Ct, Suite 260aSan Diego, CA 92128 (619) 872‑5288
- 151 N 3rd Ave, Suite 404bPocatello, ID 83201 (888) 227‑8884
- 1875 S Grant St, Suite 760San Mateo, CA 94402 (707) 442‑5683
- 2355 State St, Suite 101Salem, OR 97301 (888) 227‑8884
- 26323 Landover Hills LnKaty, TX 77494 (858) 487‑8778
Group practices
Medicare enrollment lists Mary Nganga as a member of these groups (CMS data updated October 2, 2026).
- Resolutioncare PC7 clinicians in the group
- Vynca Medical Associates PA6 clinicians in the group
- Impact Medical Associates California5 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Other clinicians in Resolutioncare PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578920880 |
| 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