Christiana Williams, APRN-CNP
NPI 1821155490 · Nurse Practitioner · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christiana Williams, APRN-CNP is a Nurse Practitioner provider in Oklahoma City, OK (NPI 1821155490).
Provider details
- NPI number
- 1821155490
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN-CNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- ROO58523 (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 tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 58 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 57 | 15 |
| Ibuprofen | 50 | 12 |
| Gabapentin | 50 | — |
| Metformin Hcl | 37 | 11 |
| Azithromycin | 35 | 17 |
| Cyclobenzaprine Hcl | 35 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$52 across 2 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
- 2007-01-03
- Last updated
- 2012-03-13
Frequently asked questions
- What is Christiana Williams's NPI number?
- Christiana Williams's National Provider Identifier (NPI) is 1821155490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christiana Williams's specialty?
- Christiana Williams is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christiana Williams located?
- Christiana Williams's practice location on file with NPPES is 1024 Sw 44th St, Oklahoma City, OK 73109-3614.
- What is Christiana Williams's phone number?
- The practice phone number listed in the NPPES registry for Christiana Williams is (405) 702-9050.
- Does Christiana Williams accept Medicare?
- Christiana Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christiana Williams's NPI active?
- Yes — Christiana Williams's NPI (1821155490) is active in the NPPES registry as of the last update on 2012-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.