Christina Williamson, CRNP
NPI 1003382433 · Adult Health Nurse Practitioner · Fort Washington, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Williamson, CRNP is a Adult Health Nurse Practitioner provider in Fort Washington, MD (NPI 1003382433).
Provider details
- NPI number
- 1003382433
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R235436 (MD)
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 tenure25% of score
7 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
333 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 154 | $154 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 98 | $106 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 48 | $104 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 33 | $68 |
Typical Medicare-allowed amounts for these services range $68–$154 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 48 | — |
| Amlodipine Besylate | 19 | — |
| Clonidine Hcl | 18 | — |
| Furosemide | 18 | — |
| Gabapentin | 17 | — |
| Ondansetron Hcl | 16 | — |
| Cefuroxime Axetilbrand: Cefuroxime | 15 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$108 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
- 2018-10-24
- Last updated
- 2024-08-16
- Certified
- 2024-08-16
Frequently asked questions
- What is Christina Williamson's NPI number?
- Christina Williamson's National Provider Identifier (NPI) is 1003382433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Williamson's specialty?
- Christina Williamson is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christina Williamson located?
- Christina Williamson's practice location on file with NPPES is 8507 Oxon Hill Rd Ste 200, Fort Washington, MD 20744-4774.
- What is Christina Williamson's phone number?
- The practice phone number listed in the NPPES registry for Christina Williamson is (301) 841-6868.
- Does Christina Williamson accept Medicare?
- Christina Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Williamson's NPI active?
- Yes — Christina Williamson's NPI (1003382433) is active in the NPPES registry as of the last update on 2024-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.