Marissa Gonzalez James, NP
NPI 1811312721 · Gerontology Nurse Practitioner · Anchorage, AK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Gonzalez James, NP is a Gerontology Nurse Practitioner provider in Anchorage, AK (NPI 1811312721).
Provider details
- NPI number
- 1811312721
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 23781 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
378 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 237 | $141 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 108 | $85 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 22 | $46 |
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes99347 | 11 | $51 |
Typical Medicare-allowed amounts for these services range $46–$141 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 63 |
| Atorvastatin Calcium | 44 |
| Trazodone Hcl | 31 |
| Apixabanbrand: Eliquis | 29 |
| Donepezil Hcl | 28 |
| Mirtazapine | 27 |
| Losartan Potassium | 25 |
| Gabapentin | 25 |
| Tamsulosin Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 6991 N State StRedwood Valley, CA 95470-9629Phone: (707) 485-5115Fax: (707) 485-7792
Registry dates
- Enumerated
- 2014-02-28
- Last updated
- 2023-01-25
- Certified
- 2023-01-25
Frequently asked questions
- What is Marissa Gonzalez James's NPI number?
- Marissa Gonzalez James's National Provider Identifier (NPI) is 1811312721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Gonzalez James's specialty?
- Marissa Gonzalez James is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Gonzalez James located?
- Marissa Gonzalez James's practice location on file with NPPES is 4320 Diplomacy Dr, Anchorage, AK 99508-5925.
- What is Marissa Gonzalez James's phone number?
- The practice phone number listed in the NPPES registry for Marissa Gonzalez James is (907) 729-8901.
- Does Marissa Gonzalez James accept Medicare?
- Marissa Gonzalez James is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Gonzalez James's NPI active?
- Yes — Marissa Gonzalez James's NPI (1811312721) is active in the NPPES registry as of the last update on 2023-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.