NPPES file of Aug 9, 2026

Sanjeev Sivakumar, M.D.,

Neurocritical Care Physician · Greer, SC

Sanjeev Sivakumar, M.D., is a neurocritical care physician with a practice address in Greer, South Carolina, and NPI 1639458805, issued on Aug 5, 2011. Check the license (South Carolina 39931, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639458805
Name
Sanjeev Sivakumar
Credential
M.D.,
Primary taxonomy
Neurocritical Care Physician 2084A2900X
License numbers
39931 SC
4301098796 MI
Self-reported in NPPES; status is on the state search
Practice location
109 Physicians Dr Ste C, Greer, SC 29650
Phone
(864) 797-8800
Enumerated
Aug 5, 2011
Record last updated
Jun 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(864) 797-8805
Medicaid ID
399312 SC
Medicare enrollment
Enrolled (PECOS I20170605000437); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 109 Physicians Dr Ste C

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samantha PlumNeurology Physician1396325841
  2. Matthew Schrettner, M.DNeurology Physician1972845766
  3. Marisha Trelinski, FNPFamily Nurse Practitioner1548675762

Verify Sanjeev Sivakumar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 39931
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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13% fewer Medicare Part D claims than the average neurocritical care physician in 2024

97 Medicare Part D claims for 31 beneficiaries, against an average of 112 among the 141 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Sanjeev Sivakumar97
  2. Specialty average112

Most prescribed

  1. Levetiracetam26 claims
  2. Atorvastatin Calcium12 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: $712.58

8 payments; by number, the most common kind was food and beverage; the largest payer was Eisai Inc. The 251 providers of this specialty with any payment received $1,054.78 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sanjeev Sivakumar$712.58
  2. Specialty average$1,054.78

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

  1. 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).

Sanjeev Sivakumar among 13 neurocritical care physician records in South Carolina

Sanjeev Sivakumar, M.D., is one of 13 neurocritical care physician records with a practice address in South Carolina. 100% 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 23% of them.

  • NPI issued2011 · 23% of these records are older, 69% newer
  • In a Medicare fileYes · 100% of these records are
  • In the CMS Doctors and Clinicians fileYes · 92% of these records are
  • Graduated2010 · median 2011 among the 12 with a school on file
  • Record last updated2021 · 23% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084A2900X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurocritical Care Physician providers in South Carolina

There are 13 neurocritical care physician records in South Carolina.

The 8 neurocritical care physician records with the nearest ZIP codes

  1. Ryan Hakimi, D.O.Greenville, SC 296151780858753
  2. Naresh Mullaguri, M.D.Greenville, SC 296151275973661
  3. Niral Patel, M.D.Greenville, SC 296151619232824
  4. Nibal Rizk, M.D.Greenville, SC 296151174976823
  5. William Spears, MDGreenville, SC 296151780187567
  6. Jingxin Wang, MDGreenville, SC 296151336501741
  7. Getasha Doobay, MDCharleston, SC 294251154950376
  8. Niren Kapoor, M.B.B.S., PHDCharleston, SC 294251619295466

Common questions

What is Sanjeev Sivakumar, M.D.,'s NPI number?

Sanjeev Sivakumar, M.D.,'s National Provider Identifier (NPI) is 1639458805, issued on Aug 5, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Sanjeev Sivakumar, M.D., located?

The NPPES record lists a practice address at 109 Physicians Dr Ste C, Greer, SC, 29650. Phone: (864) 797-8800. Providers update this record themselves, so call before visiting.

How can I verify Sanjeev Sivakumar, M.D.,'s license?

NPPES lists South Carolina license number 39931, 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 Sanjeev Sivakumar, M.D., prescribe under Medicare Part D?

In 2024, Sanjeev Sivakumar, M.D., had 97 Medicare Part D claims for 31 beneficiaries; the average among neurocritical care physician prescribers was 112. 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.