Mark Nelms, PA-C
NPI 1790341170 · Physician Assistant · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Nelms, PA-C is a Physician Assistant provider in Scottsdale, AZ (NPI 1790341170).
Provider details
- NPI number
- 1790341170
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8053 (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 tenure28% of score
7 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
741 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 | 192 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 177 | $75 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 129 | $46 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 118 | $96 |
| Application of Skin Substitute Graft to Wound of Trunk, Arms, Or Legs, 25.0 Sq Cm Or Less of Wound 100.0 Sq Cm Or Less15271 | 84 | $122 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-11
- Last updated
- 2024-11-05
- Certified
- 2024-11-05
Frequently asked questions
- What is Mark Nelms's NPI number?
- Mark Nelms's National Provider Identifier (NPI) is 1790341170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Nelms's specialty?
- Mark Nelms is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Nelms located?
- Mark Nelms's practice location on file with NPPES is 4921 E Bell Rd Ste 205, Scottsdale, AZ 85254-6002.
- What is Mark Nelms's phone number?
- The practice phone number listed in the NPPES registry for Mark Nelms is (800) 640-3451.
- Does Mark Nelms accept Medicare?
- Mark Nelms is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Nelms's NPI active?
- Yes — Mark Nelms's NPI (1790341170) is active in the NPPES registry as of the last update on 2024-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.