Quick answers
- Does Marissa Gonzalez James accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa Gonzalez James 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 Marissa Gonzalez James see?
- In 2024, CMS data shows 135 Original Medicare patients and 407 services for Marissa Gonzalez James. This counts Original Medicare only and measures volume, not quality.
- What is Marissa Gonzalez James's NPI number?
- 1811312721. 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 Marissa Gonzalez James, 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 | 135 |
|---|---|
| Services billed to Medicare | 407 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)237 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)108 services
- Removal of fingernails or toenails, 6 or more nails (11721)22 services
- Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes (99347)11 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%
- Alzheimer's disease or dementia47%
- High cholesterol41%
- Arthritis36%
- Chronic kidney disease32%
- Depression31%
Hospitals where Marissa Gonzalez James works
Medicare's Facility Affiliation Data lists Marissa Gonzalez James 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.
- Alaska Native Medical CenterAnchorage, AK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 020026
Practice locations
Addresses where Marissa Gonzalez James is enrolled with Medicare (CMS data updated October 2, 2026).
- 4160 Tudor Centre DrAnchorage, AK 99508 (907) 729‑3300
- 4315 Diplomacy DrAnchorage, AK 99508 (907) 563‑2662
- 4320 Diplomacy DrAnchorage, AK 99508 (907) 265‑4955
Group practices
Medicare enrollment lists Marissa Gonzalez James as a member of these groups (CMS data updated October 2, 2026).
- Alaska Native Tribal Health Consortium607 clinicians in the group
- Southcentral Foundation167 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Anchorage
Clinicians with the same Medicare primary specialty in Anchorage, AK — not a recommendation.
Other clinicians in Alaska Native Tribal Health Consortium
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1811312721 |
| 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