John Christos Efstathiades, DO
Family Medicine Physician · Spartanburg, SC
John Christos Efstathiades, DO is a family medicine physician with a practice address in Spartanburg, South Carolina, and NPI 1154908879, issued on Mar 27, 2021. Check the license (South Carolina LL83519, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Christos Efstathiades
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- LL83519 SC
Self-reported in NPPES; status is on the state search - Practice location
- 853 N Church St Ste 510, Spartanburg, SC 29303
- Phone
- (864) 560-6193
- Enumerated
- Mar 27, 2021
- Record last updated
- Jun 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240920001840); accepts Medicare assignment
- Medical or professional school
- Edward Via Col Of Osteo Medicine-Carolinas Campus, 2021
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,700 in South Carolina → Look up another NPI →
Also registered at 853 N Church St Ste 510
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Christos Efstathiades in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license LL83519Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average family medicine physician in 2024
1,164 Medicare Part D claims for 224 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium98 claims
- Gabapentin53 claims
- Albuterol Sulfate Hfa41 claims
- Amlodipine Besylate36 claims
- Lisinopril34 claims
- Metformin Hcl Er25 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: $137.20
7 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 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.
One hospital affiliation
- Spartanburg Medical CenterLandrum, SC · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John Christos Efstathiades among 2,700 family medicine physician records in South Carolina
John Christos Efstathiades, DO 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 2021, is newer than 83% of them.
- NPI issued2021 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2021 · median 2006 among the 1,638 with a school on file
- 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).
145 family medicine physician records list a practice address in Spartanburg
They are 145 of the 3,328 NPPES records with a practice address in Spartanburg, and 2,700 family medicine physician records in South Carolina.
All 2,700 in South Carolina → Every provider in Spartanburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Otis Baughman, M.D.Spartanburg, SC 293031629033105
- Marc Bingham, M.D.Spartanburg, SC 293031629049515
- Patricia Bouknight, M.D.Spartanburg, SC 293031962477315
- Ira Early, M.D., M.P.H.Spartanburg, SC 293031144218876
- Mark Godenick, MDSpartanburg, SC 293031467405845
- Francisco Gonda, MDSpartanburg, SC 293031649224437
- Susan Hilsman, M.D.Spartanburg, SC 293031184604894
- Ronald Januchowski, D.O.Spartanburg, SC 293031477531952
Common questions
What is John Christos Efstathiades, DO's NPI number?
John Christos Efstathiades, DO's National Provider Identifier (NPI) is 1154908879, issued on Mar 27, 2021. An NPI identifies a provider in billing; it is not a license.
Where is John Christos Efstathiades, DO located?
The NPPES record lists a practice address at 853 N Church St Ste 510, Spartanburg, SC, 29303. Phone: (864) 560-6193. Providers update this record themselves, so call before visiting.
How can I verify John Christos Efstathiades, DO's license?
NPPES lists South Carolina license number LL83519, as entered by the provider. 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 John Christos Efstathiades, DO prescribe under Medicare Part D?
In 2024, John Christos Efstathiades, DO had 1,164 Medicare Part D claims for 224 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.