Theresa Williamson, PA
NPI 1417049420 · Physician Assistant · Lumberton, NC
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa Williamson, PA is a Physician Assistant provider in Lumberton, NC (NPI 1417049420).
Provider details
- NPI number
- 1417049420
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 101678 (NC)
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
162 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $72 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $102 |
| Telehealth Originating Site Facility FeeQ3014 | 41 | $30 |
Typical Medicare-allowed amounts for these services range $30–$102 (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 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 229 | 40 |
| Hydroxyzine Pamoate | 227 | 39 |
| Clonazepam | 207 | 25 |
| Benztropine Mesylate | 201 | 30 |
| Quetiapine Fumarate | 197 | 33 |
| Gabapentin | 176 | 25 |
| Fluoxetine Hcl | 152 | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-28
- Last updated
- 2017-12-01
Frequently asked questions
- What is Theresa Williamson's NPI number?
- Theresa Williamson's National Provider Identifier (NPI) is 1417049420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Williamson's specialty?
- Theresa Williamson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Theresa Williamson located?
- Theresa Williamson's practice location on file with NPPES is 2003 Godwin Ave, Lumberton, NC 28358-3149.
- What is Theresa Williamson's phone number?
- The practice phone number listed in the NPPES registry for Theresa Williamson is (910) 674-4814.
- Does Theresa Williamson accept Medicare?
- Theresa Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa Williamson's NPI active?
- Yes — Theresa Williamson's NPI (1417049420) is active in the NPPES registry as of the last update on 2017-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.