William Anderson, M.D.
NPI 1831148667 · Internal Medicine Physician · Easley, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Anderson, M.D. is a Internal Medicine Physician provider in Easley, SC (NPI 1831148667).
Provider details
- NPI number
- 1831148667
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 20792 (SC)
Specialties & taxonomies
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
792 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 336 | $71 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 235 | $108 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 129 | $105 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 60 | $162 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 32 | $76 |
Typical Medicare-allowed amounts for these services range $71–$162 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 49 | — |
| Carvedilol | 42 | 26 |
| Apixabanbrand: Eliquis | 40 | 17 |
| Prednisone | 32 | 31 |
| Furosemide | 32 | 20 |
| Amlodipine Besylate | 27 | 13 |
| Atorvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38 across 2 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.
Mailing address
Additional practice locations (1)
- 701 Grove Rd5th FloorGreenville, SC 29605-5611Phone: (864) 455-4411Fax: (864) 455-4480
Registry dates
- Enumerated
- 2006-05-09
- Last updated
- 2018-10-15
Frequently asked questions
- What is William Anderson's NPI number?
- William Anderson's National Provider Identifier (NPI) is 1831148667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Anderson's specialty?
- William Anderson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Anderson located?
- William Anderson's practice location on file with NPPES is 704 N a St, Easley, SC 29640.
- What is William Anderson's phone number?
- The practice phone number listed in the NPPES registry for William Anderson is (864) 859-4089.
- Does William Anderson accept Medicare?
- William Anderson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Anderson's NPI active?
- Yes — William Anderson's NPI (1831148667) is active in the NPPES registry as of the last update on 2018-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.