William B. Malarkey, M.D.
Endocrinology, Diabetes & Metabolism Physician · Columbus, OH
William B. Malarkey, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Columbus, Ohio, and NPI 1598772691, issued on Aug 2, 2006. Check the license (Ohio 35029067, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- William B. Malarkey
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 35029067 OH
Self-reported in NPPES; status is on the state search - Practice location
- 410 W 10TH Ave, Columbus, OH 43210
- Phone
- (614) 293-7677
- Enumerated
- Aug 2, 2006
- Record last updated
- Jul 8, 2024
- Fax
- (614) 293-5614
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 352 in Ohio → Look up another NPI →
Also registered at 410 W 10TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Saaid Abdel-Ghani, M.D.Internal Medicine Physician1598926529
- Mahmoud Abdelwahab, MDObstetrics & Gynecology Physician1932550175
- Erik Abel, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1972943884
- Nour Abou Assalie, M.D.Hospitalist Physician1316371891
- Chathur Acharya, MDGastroenterology Physician1962630731
- Cara Ackerman, PA-CPhysician Assistant1134463003
Verify William B. Malarkey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35029067Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
159 Medicare Part D claims for 21 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Levothyroxine Sodium48 claims
- Rybelsus17 claims
- Liothyronine Sodium15 claims
- Omnitrope12 claims
- Hydrocortisone11 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 MIPS final score for 2023 (Medicare payment program): 95.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
William B. Malarkey among 352 endocrinology, diabetes & metabolism physician records in Ohio
William B. Malarkey, M.D. is one of 352 endocrinology, diabetes & metabolism physician records with a practice address in Ohio. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2024 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Ohio
There are 352 endocrinology, diabetes & metabolism physician records in Ohio.
All 352 in Ohio → Every provider in Columbus → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Samuel Cataland, MDColumbus, OH 432101902813108
- Elizabeth Essig, MDColumbus, OH 432101548279656
- Richard KloosColumbus, OH 432101275540031
- Radhika Narla, M.D.Columbus, OH 432101720249790
- Dara Schuster, M.D.Columbus, OH 432101093722803
- Jennifer Sipos, MDColumbus, OH 432101033124813
- Manuel Tzagournis, M.D.Columbus, OH 432101437166253
- Divya Akshintala, M.D.Columbus, OH 432131215343603
Common questions
What is William B. Malarkey, M.D.'s NPI number?
William B. Malarkey, M.D.'s National Provider Identifier (NPI) is 1598772691, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William B. Malarkey, M.D. located?
The NPPES record lists a practice address at 410 W 10TH Ave, Columbus, OH, 43210. Phone: (614) 293-7677. Providers update this record themselves, so call before visiting.
How can I verify William B. Malarkey, M.D.'s license?
NPPES lists Ohio license number 35029067, 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 William B. Malarkey, M.D. prescribe under Medicare Part D?
In 2024, William B. Malarkey, M.D. had 159 Medicare Part D claims for 21 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is William B. Malarkey, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.3 of 100. 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.