Curtis Williams, MD
NPI 1487658449 · Internal Medicine Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Curtis Williams, MD is a Internal Medicine Physician provider in Oklahoma City, OK (NPI 1487658449).
Provider details
- NPI number
- 1487658449
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21278 (OK)
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
21 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
1,438 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 | 925 | $119 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 194 | $73 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 100 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 46 | $115 |
| Aspiration And/Or Injection of Fluid From Large Joint |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 142 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 475 | 144 |
| Amlodipine Besylate | 434 | 116 |
| Levothyroxine Sodium | 371 | 104 |
| Metformin Hcl | 266 | 79 |
| Omeprazole | 233 | 65 |
| Gabapentin | 218 | 72 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$72 across 4 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
- 2005-06-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Curtis Williams's NPI number?
- Curtis Williams's National Provider Identifier (NPI) is 1487658449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Curtis Williams's specialty?
- Curtis Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Curtis Williams located?
- Curtis Williams's practice location on file with NPPES is 3433 Nw 56th St, Oklahoma City, OK 73112-4452.
- What is Curtis Williams's phone number?
- The practice phone number listed in the NPPES registry for Curtis Williams is (405) 946-9831.
- Does Curtis Williams accept Medicare?
- Curtis Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Curtis Williams's NPI active?
- Yes — Curtis Williams's NPI (1487658449) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.