Alexander A. Keister, D.O.
Emergency Medicine Physician · Sandusky, OH
Alexander A. Keister, D.O. is an emergency medicine physician with a practice address in Sandusky, Ohio, and NPI 1689060386, issued on Apr 9, 2015. Check the license (Ohio 34.012548, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Alexander A. Keister
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 34.012548 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Hayes Ave, Sandusky, OH 44870
- Phone
- (419) 202-1705
- Enumerated
- Apr 9, 2015
- Record last updated
- Aug 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 0247557 OH
- Medicare enrollment
- Enrolled (PECOS I20171107003440); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 2015
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 1111 Hayes Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Albert Aickareth, DOStudent in an Organized Health Care Education/Training Program1629822648
- Mohamad AkilInternal Medicine Physician1992382261
- Bilal Al Sibai, MDInternal Medicine Physician1790489532
- Melina Alexander, DOEmergency Medicine Physician1073132205
- Cole Awasthi, MDStudent in an Organized Health Care Education/Training Program1306782230
Verify Alexander A. Keister in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.012548Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average emergency medicine physician in 2024
273 Medicare Part D claims for 196 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 43 claims were for opioids.
Most prescribed
- Ondansetron Odt42 claims
- Cephalexin27 claims
- Oxycodone-Acetaminophen22 claims
- Prednisone22 claims
- Doxycycline Hyclate20 claims
- Amoxicillin-Clavulanate Potass16 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: $16.14
1 payment: food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 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.
Alexander A. Keister among 3,002 emergency medicine physician records in Ohio
Alexander A. Keister, 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 2015, is newer than 66% of them.
- NPI issued2015 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2015 · median 2013 among the 1,720 with a school on file
- Record last updated2018 · 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).
15 emergency medicine physician records list a practice address in Sandusky
They are 15 of the 1,170 NPPES records with a practice address in Sandusky, and 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in Sandusky → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Melina Alexander, DOSandusky, OH 448701073132205
- Scotty Fulton, DOSandusky, OH 448701871097253
- Stephanie Krise, DOSandusky, OH 448701467033373
- Jared Lizzi, D.O.Sandusky, OH 448701619331030
- Matthew McCarthy, DOSandusky, OH 448701780176388
- Christopher Mohler, MDSandusky, OH 448701619969508
- Margaret Poznalska, DOSandusky, OH 448701275834665
- Stephen Reineck, DOSandusky, OH 448701972597664
Common questions
What is Alexander A. Keister, D.O.'s NPI number?
Alexander A. Keister, D.O.'s National Provider Identifier (NPI) is 1689060386, issued on Apr 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Alexander A. Keister, D.O. located?
The NPPES record lists a practice address at 1111 Hayes Ave, Sandusky, OH, 44870. Phone: (419) 202-1705. Providers update this record themselves, so call before visiting.
How can I verify Alexander A. Keister, D.O.'s license?
NPPES lists Ohio license number 34.012548, 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 Alexander A. Keister, D.O. prescribe under Medicare Part D?
In 2024, Alexander A. Keister, D.O. had 273 Medicare Part D claims for 196 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.