Derrick Williams, MD
NPI 1316966088 · Internal Medicine Physician · Saint Paul, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derrick Williams, MD is a Internal Medicine Physician provider in Saint Paul, MN (NPI 1316966088).
Provider details
- NPI number
- 1316966088
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40364 (MN)
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
19 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
1,882 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 | 278 | $124 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 223 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 199 | $8 |
| Hemoglobin A1c Level83036 | 120 | $10 |
| 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 | 120 | $16 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 126 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 535 | 149 |
| Amlodipine Besylate | 499 | 138 |
| Lisinopril | 422 | 106 |
| Tamsulosin Hcl | 311 | 90 |
| Simvastatin | 254 | 72 |
| Gabapentin | 244 | 63 |
| Omeprazole | 227 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (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
- 2006-07-19
- Last updated
- 2021-04-19
- Certified
- 2021-04-19
Frequently asked questions
- What is Derrick Williams's NPI number?
- Derrick Williams's National Provider Identifier (NPI) is 1316966088, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derrick Williams's specialty?
- Derrick Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Derrick Williams located?
- Derrick Williams's practice location on file with NPPES is 1020 Bandana Blvd W, Saint Paul, MN 55108-5107.
- What is Derrick Williams's phone number?
- The practice phone number listed in the NPPES registry for Derrick Williams is (651) 241-9700.
- Does Derrick Williams accept Medicare?
- Derrick Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derrick Williams's NPI active?
- Yes — Derrick Williams's NPI (1316966088) is active in the NPPES registry as of the last update on 2021-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.