Gayla Davis, MSN, ARNP, FNP-BC
NPI 1033567375 · Family Nurse Practitioner · Oelwein, IA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gayla Davis, MSN, ARNP, FNP-BC is a Family Nurse Practitioner provider in Oelwein, IA (NPI 1033567375).
Provider details
- NPI number
- 1033567375
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, ARNP, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- A114118 (IA)
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 tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
453 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 244 | $76 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 109 | $52 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 71 | $102 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 16 | $7 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 13 | $13 |
Typical Medicare-allowed amounts for these services range $7–$102 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 195 | 59 |
| Levothyroxine Sodium | 193 | 47 |
| Omeprazole | 163 | 36 |
| Lisinopril | 163 | 50 |
| Losartan Potassium | 141 | 36 |
| Amlodipine Besylate | 141 | 38 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-26
- Last updated
- 2016-05-26
Frequently asked questions
- What is Gayla Davis's NPI number?
- Gayla Davis's National Provider Identifier (NPI) is 1033567375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gayla Davis's specialty?
- Gayla Davis is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gayla Davis located?
- Gayla Davis's practice location on file with NPPES is 129 8th Ave Se, Oelwein, IA 50662-2352.
- What is Gayla Davis's phone number?
- The practice phone number listed in the NPPES registry for Gayla Davis is (319) 283-6153.
- Does Gayla Davis accept Medicare?
- Gayla Davis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gayla Davis's NPI active?
- Yes — Gayla Davis's NPI (1033567375) is active in the NPPES registry as of the last update on 2016-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.