Jan Vargas Machaj, MD
Neurological Surgery Physician · Greenville, SC
Jan Vargas Machaj, MD is a neurological surgery physician with a practice address in Greenville, South Carolina, and NPI 1225323488, issued on Jun 16, 2011. Check the license (South Carolina MMD.33603 LL, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Jan Vargas Machaj
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- MMD.33603 LL SC
Self-reported in NPPES; status is on the state search - Practice location
- 109 Doctors Dr, Greenville, SC 29605
- Phone
- (864) 797-7150
- Enumerated
- Jun 16, 2011
- Record last updated
- Nov 9, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181220003479); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 127 in South Carolina → Look up another NPI →
Also registered at 109 Doctors Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melinda BehneyPhysician Assistant1750184115
- Matthew Belenchia, FNPFamily Nurse Practitioner1427731926
- Gregoire Chatain, MDNeurological Surgery Physician1174056287
- Mohammad Chaudry, M.D.Neuroradiology Physician1679518492
- Stanley Darnell, NPGerontology Nurse Practitioner1639510704
- Meridith Huber, NP-CNurse Practitioner1245994839
Verify Jan Vargas Machaj in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license MMD.33603 LLCheck 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 neurological surgery physician in 2024
11 Medicare Part D claims, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $7,173.58
45 payments; by number, the most common kind was food and beverage; the largest payer was Qapel Medical Inc. The 5,377 providers of this specialty with any payment received $14,925.58 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.
Bills Medicare through one group practice
- Prisma Health University Medical GroupGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jan Vargas Machaj among 127 neurological surgery physician records in South Carolina
Jan Vargas Machaj, MD is one of 127 neurological surgery physician records with a practice address in South Carolina. 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 2011, is newer than 61% of them.
- NPI issued2011 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · median 2005 among the 80 with a school on file
- Record last updated2018 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in South Carolina
There are 127 neurological surgery physician records in South Carolina.
All 127 in South Carolina → Every provider in Greenville → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Lacey Carter, M.D.Greenville, SC 296051427436203
- Gregoire Chatain, MDGreenville, SC 296051174056287
- Stephen Gardner, M.DGreenville, SC 296051811992035
- Philip Hodge, M.D.Greenville, SC 296051720083926
- Charles Kanos, M.D.Greenville, SC 296051730184920
- Michael Lynn, MDGreenville, SC 296051962585836
- Alfred Nelson, M.D.Greenville, SC 296051962407171
- Thomas O'Lynnger, MDGreenville, SC 296051093031916
Common questions
What is Jan Vargas Machaj, MD's NPI number?
Jan Vargas Machaj, MD's National Provider Identifier (NPI) is 1225323488, issued on Jun 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jan Vargas Machaj, MD located?
The NPPES record lists a practice address at 109 Doctors Dr, Greenville, SC, 29605. Phone: (864) 797-7150. Providers update this record themselves, so call before visiting.
How can I verify Jan Vargas Machaj, MD's license?
NPPES lists South Carolina license number MMD.33603 LL, 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 Jan Vargas Machaj, MD prescribe under Medicare Part D?
In 2024, Jan Vargas Machaj, MD had 11 Medicare Part D claims; the average among neurological surgery physician prescribers was 172. 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.