Roxanna Geher, NP
NPI 1558032946 · Family Nurse Practitioner · Oxnard, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roxanna Geher, NP is a Family Nurse Practitioner provider in Oxnard, CA (NPI 1558032946).
Provider details
- NPI number
- 1558032946
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 542398 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
249 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 178 | $100 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 56 | $150 |
| Critical Care, First 30-74 Minutes99291 | 15 | $181 |
Typical Medicare-allowed amounts for these services range $100–$181 (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.
Practice location
Mailing address
Additional practice locations (2)
- St. John'S Pleasant Valley Hospital - 2309 Antonio AveCamarillo, CA 93010-1414Phone: (000) 000-0000Fax: (805) 485-3025
- 1910 Outlet Center DrOxnard, CA 93036-0677Phone: (805) 485-2400Fax: (805) 485-3025
Registry dates
- Enumerated
- 2021-09-24
- Last updated
- 2022-01-31
- Certified
- 2022-01-31
Frequently asked questions
- What is Roxanna Geher's NPI number?
- Roxanna Geher's National Provider Identifier (NPI) is 1558032946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roxanna Geher's specialty?
- Roxanna Geher is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Roxanna Geher located?
- Roxanna Geher's practice location on file with NPPES is St John'S Regional Medical Center - 1600 N Rose Ave, Oxnard, CA 93030-3722.
- What is Roxanna Geher's phone number?
- The practice phone number listed in the NPPES registry for Roxanna Geher is (000) 000-0000.
- Does Roxanna Geher accept Medicare?
- Roxanna Geher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roxanna Geher's NPI active?
- Yes — Roxanna Geher's NPI (1558032946) is active in the NPPES registry as of the last update on 2022-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.