Christina Brooke Walker, D.O.
Emergency Medicine Physician · Boardman, OH
Christina Brooke Walker, D.O. is an emergency medicine physician with a practice address in Boardman, Ohio, and NPI 1124476841, issued on Jun 3, 2016. Check the license (Ohio 34.013076, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Christina Brooke Walker
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 34.013076 OH
20A19877 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8423 Market St, Boardman, OH 44512
- Phone
- (330) 729-8757
- Enumerated
- Jun 3, 2016
- Record last updated
- Jul 11, 2022
- Fax
- (330) 729-7616
- Medicare enrollment
- Enrolled (PECOS I20220721000961); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 8423 Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Franchessca Catalano, PA-CPhysician Assistant1053664052
- Clay CooperPhysician Assistant1679076806
- Melissa Haire, PA-CPhysician Assistant1831348911
- Cary Jordan, PH.D.Clinical Psychologist1548606940
- Oscar Khawli, MDMaternal & Fetal Medicine Physician1346345725
- Sumira Koirala, M.D.Family Medicine Physician1245562685
Verify Christina Brooke Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.013076Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average emergency medicine physician in 2024
154 Medicare Part D claims for 107 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Ondansetron Hcl28 claims
- Cefdinir19 claims
- Hydrocodone-Acetaminophen15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cep America - CaliforniaSanta Maria, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina Brooke Walker among 3,002 emergency medicine physician records in Ohio
Christina Brooke Walker, D.O. is one of 3,002 emergency medicine physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 69% of them.
- NPI issued2016 · 69% of these records are older, 27% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2013 among the 1,720 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 emergency medicine physician records list a practice address in Boardman
They are 55 of the 1,130 NPPES records with a practice address in Boardman, and 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in Boardman → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Albert Aiad-Toss, M.D.Youngstown, OH 445121568447332
- Jeanine Awad-Spirtos, M.D.Youngstown, OH 445121023429453
- Mary Ellen Barringer, DOYoungstown, OH 445121730164682
- Bianca Chun, MDBoardman, OH 445121649534470
- Michael Cone, D.O.Boardman, OH 445121336180868
- Orlando Cortez, MDBoardman, OH 445121326276825
- Charles FarrellBoardman, OH 445121174917900
- Rhett Ketschke, DOBoardman, OH 445121215275110
Common questions
What is Christina Brooke Walker, D.O.'s NPI number?
Christina Brooke Walker, D.O.'s National Provider Identifier (NPI) is 1124476841, issued on Jun 3, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Christina Brooke Walker, D.O. located?
The NPPES record lists a practice address at 8423 Market St, Boardman, OH, 44512. Phone: (330) 729-8757. Providers update this record themselves, so call before visiting.
How can I verify Christina Brooke Walker, D.O.'s license?
NPPES lists Ohio license number 34.013076, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christina Brooke Walker, D.O. prescribe under Medicare Part D?
In 2024, Christina Brooke Walker, D.O. had 154 Medicare Part D claims for 107 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Christina Brooke Walker, D.O.'s MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.