Chad Williams
NPI 1790170835 · Internal Medicine Physician · Charleston, WV
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chad Williams is a Internal Medicine Physician provider in Charleston, WV (NPI 1790170835).
Provider details
- NPI number
- 1790170835
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 3122 (WV)
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
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
334 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 | 134 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 132 | $91 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 34 | $165 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 21 | $69 |
| Automated Urinalysis Test81003 | 13 | $2 |
Typical Medicare-allowed amounts for these services range $2–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 120 | 24 |
| Metformin Hcl | 109 | 24 |
| Meloxicam | 98 | 30 |
| Lisinopril | 97 | 31 |
| Potassium Chloride | 81 | 22 |
| Montelukast Sodium | 74 | 21 |
| Duloxetine Hcl | 71 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$113 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
Additional practice locations (4)
- 106 Huffard DrBluefield, VA 24605-9209Phone: (276) 322-3427
- 500 Cherry StBluefield, WV 24701-3306Phone: (304) 327-1100
- 100 Hoylman DrGassaway, WV 26624-9318Phone: (304) 364-5156
- 177 Highpoint LnPrinceton, WV 24739-6454Phone: (304) 323-8906
Registry dates
- Enumerated
- 2015-04-06
- Last updated
- 2023-12-07
- Certified
- 2023-12-07
Frequently asked questions
- What is Chad Williams's NPI number?
- Chad Williams's National Provider Identifier (NPI) is 1790170835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chad Williams's specialty?
- Chad Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chad Williams located?
- Chad Williams's practice location on file with NPPES is 3100 Maccorkle Ave Se Ste B16, Charleston, WV 25304-1222.
- What is Chad Williams's phone number?
- The practice phone number listed in the NPPES registry for Chad Williams is (304) 388-5432.
- Does Chad Williams accept Medicare?
- Chad Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chad Williams's NPI active?
- Yes — Chad Williams's NPI (1790170835) is active in the NPPES registry as of the last update on 2023-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.