Robert A. Sivier, MD
Family Medicine Physician · Greenfield, OH
Robert A. Sivier, MD is a family medicine physician with a practice address in Greenfield, Ohio, and NPI 1306897640, issued on May 12, 2006. Check the license (Ohio 35065920S, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Robert A. Sivier
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 35065920S OH
35.065920 OH
Self-reported in NPPES; status is on the state search - Practice location
- 550 Mirabeau St, Greenfield, OH 45123
- Phone
- (937) 981-2116
- Enumerated
- May 12, 2006
- Record last updated
- Nov 3, 2023
- Fax
- (937) 981-9238
- Medicaid ID
- 0952643 OH
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 550 Mirabeau St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Harris, DOInternal Medicine Physician1811945801
- Paul Kolodzik, MDEmergency Medicine Physician1760422869
- Duane MastFamily Medicine Physician1710938170
- Juli Polstra, M.A. CCC-SLPSpeech-Language Pathologist1437793361
Verify Robert A. Sivier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35065920SCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
271 Medicare Part D claims for 182 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 62 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen25 claims
- Prednisone25 claims
- Hydrocodone-Acetaminophen24 claims
- Sulfamethoxazole-Trimethoprim20 claims
- Cephalexin18 claims
- Amoxicillin-Clavulanate Potass15 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.
Robert A. Sivier among 5,606 family medicine physician records in Ohio
Robert A. Sivier, MD is one of 5,606 family medicine physician records with a practice address in Ohio. 80% 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 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family medicine physician records list a practice address in Greenfield
They are 8 of the 181 NPPES records with a practice address in Greenfield, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Greenfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Alex Anderson, D.O.Greenfield, OH 451231235662628
- Christina Deland-Reeves, MDGreenfield, OH 451231013912179
- Valerie Good, M.D.Greenfield, OH 451231366805970
- Kirthi Jetty, DOGreenfield, OH 451231407317159
- Duane MastGreenfield, OH 451231710938170
- Richard Mizer, MDGreenfield, OH 451231811977788
- Michael Turner, MDGreenfield, OH 451231629026505
- Andrew Ache, MDGeorgetown, OH 451211740387067
Common questions
What is Robert A. Sivier, MD's NPI number?
Robert A. Sivier, MD's National Provider Identifier (NPI) is 1306897640, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert A. Sivier, MD located?
The NPPES record lists a practice address at 550 Mirabeau St, Greenfield, OH, 45123. Phone: (937) 981-2116. Providers update this record themselves, so call before visiting.
How can I verify Robert A. Sivier, MD's license?
NPPES lists Ohio license number 35065920S, 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 Robert A. Sivier, MD prescribe under Medicare Part D?
In 2024, Robert A. Sivier, MD had 271 Medicare Part D claims for 182 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.