Rita Davis Marten, F.N.P.
NPI 1356406649 · Family Nurse Practitioner · Oakland, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rita Davis Marten, F.N.P. is a Family Nurse Practitioner provider in Oakland, CA (NPI 1356406649).
Provider details
- NPI number
- 1356406649
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- F.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 622239 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
23 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) |
|---|---|---|
| Hemoglobin A1c Level83036 | 23 | $10 |
Typical Medicare-allowed amounts for these services range $10–$10 (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 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 131 | 42 |
| Atorvastatin Calcium | 123 | 44 |
| Lisinopril | 102 | 28 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 84 | 22 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 77 | 31 |
| Gabapentin | 67 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$312 across 5 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
- 2006-12-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Rita Davis Marten's NPI number?
- Rita Davis Marten's National Provider Identifier (NPI) is 1356406649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rita Davis Marten's specialty?
- Rita Davis Marten is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rita Davis Marten located?
- Rita Davis Marten's practice location on file with NPPES is 700 Adeline Street, Oakland, CA 94542.
- What is Rita Davis Marten's phone number?
- The practice phone number listed in the NPPES registry for Rita Davis Marten is (510) 835-9610.
- Does Rita Davis Marten accept Medicare?
- Rita Davis Marten is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rita Davis Marten's NPI active?
- Yes — Rita Davis Marten's NPI (1356406649) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.