Zachariah Overby, MD
Family Medicine Physician · Greenville, SC
Zachariah Overby, MD is a family medicine physician with a practice address in Greenville, South Carolina, and NPI 1497982060, issued on Jun 22, 2009. Check the license on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Zachariah Overby
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD 15875 HI
Self-reported in NPPES; status is on the state search - Practice location
- 3516 Highway 153, Greenville, SC 29611
- Phone
- (864) 729-6626
- Enumerated
- Jun 22, 2009
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (855) 617-4425
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,700 in South Carolina → Look up another NPI →
Also registered at 3516 Highway 153
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gerlanda Derr, APRNFamily Nurse Practitioner1205072808
- Maresa Haynes, APRNFamily Nurse Practitioner1447862909
- Nancy Trifilo, ARNPFamily Nurse Practitioner1588615561
- Mark Wess, M.D.Internal Medicine Physician1861440042
Verify Zachariah Overby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
350 Medicare Part D claims for 27 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium24 claims
- Atorvastatin Calcium17 claims
- Pantoprazole Sodium12 claims
- Prednisone12 claims
- Amlodipine Besylate11 claims
- Clonazepam11 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.
Zachariah Overby among 2,700 family medicine physician records in South Carolina
Zachariah Overby, MD is one of 2,700 family medicine physician records with a practice address in South Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 56% of them.
- NPI issued2009 · 56% of these records are older, 42% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2021 · 50% 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 South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
217 family medicine physician records list a practice address in Greenville
They are 217 of the 10,264 NPPES records with a practice address in Greenville, and 2,700 family medicine physician records in South Carolina.
All 2,700 in South Carolina → Every provider in Greenville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rebecca Barksdale, M.D.Greenville, SC 296111215915343
- Howard Blount, MDGreenville, SC 296111851337471
- James Cochran, MDGreenville, SC 296111336116532
- Brandon Crouch, M.D.Greenville, SC 296111730479718
- Kurt Gandenberger, MDGreenville, SC 296111386681526
- Jamie Goodman, DOGreenville, SC 296111013956663
- Thomas Johns, MDGreenville, SC 296111942243589
- Justine Liptak, MDGreenville, SC 296111053491209
Common questions
What is Zachariah Overby, MD's NPI number?
Zachariah Overby, MD's National Provider Identifier (NPI) is 1497982060, issued on Jun 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Zachariah Overby, MD located?
The NPPES record lists a practice address at 3516 Highway 153, Greenville, SC, 29611. Phone: (864) 729-6626. Providers update this record themselves, so call before visiting.
How can I verify Zachariah Overby, MD's license?
Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zachariah Overby, MD prescribe under Medicare Part D?
In 2024, Zachariah Overby, MD had 350 Medicare Part D claims for 27 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.