John Ashton, PA-C
NPI 1770785503 · Medical Physician Assistant · Irmo, SC
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Ashton, PA-C is a Medical Physician Assistant provider in Irmo, SC (NPI 1770785503).
Provider details
- NPI number
- 1770785503
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- A647 (SC)
Specialties & taxonomies
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,411 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 540 | $100 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 383 | $46 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 278 | $71 |
| 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 | 73 | $13 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 65 | $75 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 90 | 69 |
| Tramadol Hcl | 58 | 30 |
| Diclofenac Sodium | 57 | 41 |
| Diclofenac Sodiumbrand: Diclofenac Sodium Er | 43 | 18 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 35 | 26 |
| Celecoxib | 30 | 18 |
| Prednisone | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$263 across 12 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 (3)
- 7021 Saint Andrews Rd # 2Columbia, SC 29212-1177Phone: (803) 749-1111Fax: (803) 749-0050
- 1 Wellness Blvd Ste 104Irmo, SC 29063-2872Phone: (803) 749-1111Fax: (803) 749-0050
- 1 Wellness Blvd Ste 202Irmo, SC 29063-2873Phone: (803) 749-1111Fax: (803) 749-0050
Registry dates
- Enumerated
- 2007-06-04
- Last updated
- 2022-07-18
- Certified
- 2022-07-18
Frequently asked questions
- What is John Ashton's NPI number?
- John Ashton's National Provider Identifier (NPI) is 1770785503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ashton's specialty?
- John Ashton is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Ashton located?
- John Ashton's practice location on file with NPPES is 7182 Woodrow St Ste 200, Irmo, SC 29063-2958.
- What is John Ashton's phone number?
- The practice phone number listed in the NPPES registry for John Ashton is (803) 749-1111.
- Does John Ashton accept Medicare?
- John Ashton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Ashton's NPI active?
- Yes — John Ashton's NPI (1770785503) is active in the NPPES registry as of the last update on 2022-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.