Leann Vanduyn, NP-C
NPI 1235591546 · Family Nurse Practitioner · Casa Grande, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leann Vanduyn, NP-C is a Family Nurse Practitioner provider in Casa Grande, AZ (NPI 1235591546).
Provider details
- NPI number
- 1235591546
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- AP8535 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
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
427 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 | 156 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 107 | $75 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 62 | $107 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 62 | $0 |
| Administration of Influenza Virus VaccineG0008 | 26 | $31 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 133 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 666 | 257 |
| Lisinopril | 407 | 156 |
| Amlodipine Besylate | 401 | 145 |
| Losartan Potassium | 374 | 148 |
| Levothyroxine Sodium | 359 | 139 |
| Omeprazole | 274 | 110 |
| Amoxicillin | 266 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-25
- Last updated
- 2022-07-21
Frequently asked questions
- What is Leann Vanduyn's NPI number?
- Leann Vanduyn's National Provider Identifier (NPI) is 1235591546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leann Vanduyn's specialty?
- Leann Vanduyn is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Leann Vanduyn located?
- Leann Vanduyn's practice location on file with NPPES is 865 N Arizola Rd, Casa Grande, AZ 85122-6011.
- What is Leann Vanduyn's phone number?
- The practice phone number listed in the NPPES registry for Leann Vanduyn is (520) 836-3446.
- Does Leann Vanduyn accept Medicare?
- Leann Vanduyn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leann Vanduyn's NPI active?
- Yes — Leann Vanduyn's NPI (1235591546) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.