Karen Ridenour, FNP
NPI 1033205281 · Family Nurse Practitioner · Tucson, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Ridenour, FNP is a Family Nurse Practitioner provider in Tucson, AZ (NPI 1033205281).
Provider details
- NPI number
- 1033205281
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN00099474 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 375 | 36 |
| Gabapentin | 134 | 23 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 71 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 67 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 57 | 13 |
| Lisinopril | 54 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2024-03-07
- Certified
- 2024-03-07
Frequently asked questions
- What is Karen Ridenour's NPI number?
- Karen Ridenour's National Provider Identifier (NPI) is 1033205281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Ridenour's specialty?
- Karen Ridenour is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Ridenour located?
- Karen Ridenour's practice location on file with NPPES is 2828 N Stone Ave, Tucson, AZ 85705-4503.
- What is Karen Ridenour's phone number?
- The practice phone number listed in the NPPES registry for Karen Ridenour is (520) 245-6650.
- Does Karen Ridenour accept Medicare?
- Karen Ridenour is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Ridenour's NPI active?
- Yes — Karen Ridenour's NPI (1033205281) is active in the NPPES registry as of the last update on 2024-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.