Devin Welker, FNP-C
NPI 1255976858 · Family Nurse Practitioner · Mesa, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Devin Welker, FNP-C is a Family Nurse Practitioner provider in Mesa, AZ (NPI 1255976858).
Provider details
- NPI number
- 1255976858
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- 232489 (AZ)
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 tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 73 | 30 |
| Levothyroxine Sodium | 57 | 23 |
| Atorvastatin Calcium | 40 | 17 |
| Tamsulosin Hcl | 40 | 13 |
| Meloxicam | 32 | 12 |
| Pantoprazole Sodium | 30 | 11 |
| Rosuvastatin Calcium | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$769 across 51 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
Additional practice locations (1)
- 9225 N 3rd St Ste 102Phoenix, AZ 85020-2455Phone: (602) 362-2983Fax: (480) 565-4552
Registry dates
- Enumerated
- 2019-11-07
- Last updated
- 2020-08-12
- Certified
- 2020-08-12
Frequently asked questions
- What is Devin Welker's NPI number?
- Devin Welker's National Provider Identifier (NPI) is 1255976858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Devin Welker's specialty?
- Devin Welker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Devin Welker located?
- Devin Welker's practice location on file with NPPES is 4135 S Power Rd Ste 120, Mesa, AZ 85212-3626.
- What is Devin Welker's phone number?
- The practice phone number listed in the NPPES registry for Devin Welker is (480) 892-7000.
- Does Devin Welker accept Medicare?
- Devin Welker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Devin Welker's NPI active?
- Yes — Devin Welker's NPI (1255976858) is active in the NPPES registry as of the last update on 2020-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.