John Kenneth Baker, M.D.
Neurology Physician · Sumter, SC
John Kenneth Baker, M.D. is a neurology physician with a practice address in Sumter, South Carolina, and NPI 1598922130, issued on May 21, 2008. Check the license (South Carolina 33281, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Kenneth Baker
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 33281 SC
33281-2015 SC
Self-reported in NPPES; status is on the state search - Practice location
- 385 W Wesmark Blvd, Sumter, SC 29150
- Phone
- (803) 774-8240
- Enumerated
- May 21, 2008
- Record last updated
- Jun 15, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (888) 643-4231
- Medicare enrollment
- Enrolled (PECOS I20110505000163); may accept Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 326 in South Carolina → Look up another NPI →
Also registered at 385 W Wesmark Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lillian WilsonOptician1538489117
Verify John Kenneth Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 33281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.0 times the Medicare Part D claims of the average neurology physician in 2024
6,805 Medicare Part D claims for 1,054 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 97 claims were for opioids.
Most prescribed
- Carbidopa-Levodopa427 claims
- Donepezil Hcl385 claims
- Gabapentin282 claims
- Levetiracetam269 claims
- Memantine Hcl248 claims
- Primidone240 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: $128,549.17
441 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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
- Colonial Family Practice LLCSumter, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Kenneth Baker among 326 neurology physician records in South Carolina
John Kenneth Baker, M.D. is one of 326 neurology physician records with a practice address in South Carolina. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 40% of them.
- NPI issued2008 · 40% of these records are older, 56% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2007 · median 2007 among the 185 with a school on file
- Record last updated2016 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in South Carolina
There are 326 neurology physician records in South Carolina.
All 326 in South Carolina → Every provider in Sumter → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Courtney Litchmore, MDSumter, SC 291501619520483
- Shawn MooreSumter, SC 291501316444151
- Michael Hodge, MDTurbeville, SC 291621548357445
- Arjun AthreyaWest Columbia, SC 291691275039414
- John Blevins, M.D.West Columbia, SC 291691467423608
- Nabi Chowdhury, M.D.West Columbia, SC 291691134326200
- Mark Lencke, M.D.West Columbia, SC 291691720099005
- Frank Pusey, M.D.West Columbia, SC 291691730277732
Common questions
What is John Kenneth Baker, M.D.'s NPI number?
John Kenneth Baker, M.D.'s National Provider Identifier (NPI) is 1598922130, issued on May 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Kenneth Baker, M.D. located?
The NPPES record lists a practice address at 385 W Wesmark Blvd, Sumter, SC, 29150. Phone: (803) 774-8240. Providers update this record themselves, so call before visiting.
How can I verify John Kenneth Baker, M.D.'s license?
NPPES lists South Carolina license number 33281, 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 Kenneth Baker, M.D. prescribe under Medicare Part D?
In 2024, John Kenneth Baker, M.D. had 6,805 Medicare Part D claims for 1,054 beneficiaries; the average among neurology physician prescribers was 1,370. 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.