Rebecca Williams, PA
NPI 1487661245 · Physician Assistant · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Williams, PA is a Physician Assistant provider in Oklahoma City, OK (NPI 1487661245).
Provider details
- NPI number
- 1487661245
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 1290 (OK)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
490 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 133 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $99 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 69 | $11 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 66 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 58 | $70 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 58 | 50 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 29 | 22 |
| Prednisone | 27 | 24 |
| Methylprednisolone | 24 | 22 |
| Doxycycline Hyclate | 23 | 23 |
| Cefdinir | 21 | 20 |
| Oseltamivir Phosphate | 19 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2014-11-20
Frequently asked questions
- What is Rebecca Williams's NPI number?
- Rebecca Williams's National Provider Identifier (NPI) is 1487661245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Williams's specialty?
- Rebecca Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rebecca Williams located?
- Rebecca Williams's practice location on file with NPPES is 4505 Memorial Cir, Oklahoma City, OK 73142-5004.
- What is Rebecca Williams's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Williams is (405) 749-7099.
- Does Rebecca Williams accept Medicare?
- Rebecca Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Williams's NPI active?
- Yes — Rebecca Williams's NPI (1487661245) is active in the NPPES registry as of the last update on 2014-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.