Christina Joy Walker, CRNP
Adult Health Nurse Practitioner · Fort Washington, MD
Christina Joy Walker, CRNP is an adult health nurse practitioner with a practice address in Fort Washington, Maryland, and NPI 1003382433, issued on Oct 24, 2018. Check the license (Maryland R235436, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christina Joy Walker
- Credential
- CRNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- R235436 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8507 Oxon Hill RD Ste 200, Fort Washington, MD 20744
- Phone
- (301) 841-6868
- Enumerated
- Oct 24, 2018
- Record last updated
- Jul 21, 2026
- Fax
- (301) 841-6885
- Medicare enrollment
- Enrolled (PECOS I20190826001346); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 902 in Maryland → Look up another NPI →
Also registered at 8507 Oxon Hill RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Oludoyin Ajala, DNP, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1285420935
- Nefertari BilalStudent in an Organized Health Care Education/Training Program1801717574
- Hope Coleman, DSW, LCSWClinical Social Worker1194191338
- Brianna FranklinStudent in an Organized Health Care Education/Training Program1790578649
- Kelly Hughes, PMHNPPsychiatric/Mental Health Nurse Practitioner1154154995
- Yoshica McCullough, LCPC, NCCProfessional Counselor1710458153
Verify Christina Joy Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R235436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
319 Medicare Part D claims for 57 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium48 claims
- Amlodipine Besylate19 claims
- Clonidine Hcl18 claims
- Furosemide18 claims
- Gabapentin17 claims
- Ondansetron Hcl16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $108.16
4 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Emergency Medicine Associates P.A., P.C.Arlington, VA
- Galen Inpatient Physicians PCGermantown, MD
- Usacs Integrated Acute Care Services OF Maryland LLCSilver Spring, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina Joy Walker among 902 adult health nurse practitioner records in Maryland
Christina Joy Walker, CRNP is one of 902 adult health nurse practitioner records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 74% of them.
- NPI issued2018 · 74% of these records are older, 22% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2018 · median 2014 among the 386 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Maryland
There are 902 adult health nurse practitioner records in Maryland.
All 902 in Maryland → Every provider in Fort Washington → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Claire McKenzie, NURSE PRACTITIONERFort Washington, MD 207441386392751
- Mary Wallace, DNP, CRNP, A-GNP-COxon Hill, MD 207451295503829
- Donna Jacobs, NPCollege Park, MD 207421306061338
- Diane Orth, CRNPCollege Park, MD 207421699894311
- Maria Perrotta, CRNPCollege Park, MD 207421619005964
- Koosha AdhamTemple Hills, MD 207481255951547
- Gail Cavallo, CRNPTemple Hills, MD 207481871651778
- Marian Jones, CRNPRiverdale, MD 207371366760571
Common questions
What is Christina Joy Walker, CRNP's NPI number?
Christina Joy Walker, CRNP's National Provider Identifier (NPI) is 1003382433, issued on Oct 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Christina Joy Walker, CRNP located?
The NPPES record lists a practice address at 8507 Oxon Hill RD Ste 200, Fort Washington, MD, 20744. Phone: (301) 841-6868. Providers update this record themselves, so call before visiting.
How can I verify Christina Joy Walker, CRNP's license?
NPPES lists Maryland license number R235436, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Christina Joy Walker, CRNP prescribe under Medicare Part D?
In 2024, Christina Joy Walker, CRNP had 319 Medicare Part D claims for 57 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.