Helen Johnson-Wall, M.D.
NPI 1730151481 · Internal Medicine Physician · Seneca, SC
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helen Johnson-Wall, M.D. is a Internal Medicine Physician provider in Seneca, SC (NPI 1730151481).
Provider details
- NPI number
- 1730151481
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 00351 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,192 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 | 262 | $120 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 259 | $46 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 187 | $331 |
| 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 | 117 | $15 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 87 | $74 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 214 | 81 |
| Losartan Potassium | 101 | 46 |
| Calcitriol | 93 | 33 |
| Lisinopril | 69 | 25 |
| Amlodipine Besylate | 53 | 24 |
| Hydralazine Hcl | 47 | 14 |
| Dapagliflozin Propanediolbrand: Farxiga | 47 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$133 across 6 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
Registry dates
- Enumerated
- 2006-02-06
- Last updated
- 2019-06-25
Frequently asked questions
- What is Helen Johnson-Wall's NPI number?
- Helen Johnson-Wall's National Provider Identifier (NPI) is 1730151481, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Johnson-Wall's specialty?
- Helen Johnson-Wall is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Helen Johnson-Wall located?
- Helen Johnson-Wall's practice location on file with NPPES is 301 Memorial Dr Ste F, Seneca, SC 29672-9445.
- What is Helen Johnson-Wall's phone number?
- The practice phone number listed in the NPPES registry for Helen Johnson-Wall is (864) 885-7758.
- Does Helen Johnson-Wall accept Medicare?
- Helen Johnson-Wall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helen Johnson-Wall's NPI active?
- Yes — Helen Johnson-Wall's NPI (1730151481) is active in the NPPES registry as of the last update on 2019-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.