John Mark Baker, MD
Family Medicine Physician · Anderson, SC
John Mark Baker, MD is a family medicine physician with a practice address in Anderson, South Carolina, and NPI 1760423339, issued on Jun 8, 2006. Check the license (South Carolina 12896, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Mark Baker
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 12896 SC
13844 HI
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Fant St, Anderson, SC 29621
- Phone
- (864) 512-2000
- Enumerated
- Jun 8, 2006
- Record last updated
- Sep 15, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (864) 512-8492
- Medicaid IDs
- 128962 SC
12896 SC - Medicare enrollment
- Enrolled (PECOS I20080229000044); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,700 in South Carolina → Look up another NPI →
Also registered at 600 N Fant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Teresa Antley, MSN, APRN FNP-CNurse Practitioner1477311710
- Richard Hanna, M.D.Family Medicine Physician1083688386
- Deanna McGee, APRNAcute Care Nurse Practitioner1245099019
- Nathan Seeberger, DOFamily Medicine Physician1336600477
- Kelly Watts, NP-CFamily Nurse Practitioner1457115933
- Karen Weise, M.D.Family Medicine Physician1205856903
Verify John Mark 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 12896Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average family medicine physician in 2024
1,426 Medicare Part D claims for 734 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 43 claims were for opioids.
Most prescribed
- Prednisone192 claims
- Azithromycin163 claims
- Cephalexin98 claims
- Amoxicillin-Clavulanate Potass87 claims
- Fluticasone Propionate69 claims
- Methylprednisolone48 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: $42.55
2 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. 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
- Anmed HealthCentral, SC · Acute Care Hospitals4 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 Mark Baker among 2,700 family medicine physician records in South Carolina
John Mark Baker, 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1985 · median 2006 among the 1,638 with a school on file
- Record last updated2015 · 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).
104 family medicine physician records list a practice address in Anderson
They are 104 of the 2,108 NPPES records with a practice address in Anderson, and 2,700 family medicine physician records in South Carolina.
All 2,700 in South Carolina → Every provider in Anderson → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kenneth Campbell, M.D.Anderson, SC 296211386694222
- Maria Cayelli, MDAnderson, SC 296211891744454
- Wajdi Dbouk, MDAnderson, SC 296211023073764
- Richard Hanna, M.D.Anderson, SC 296211083688386
- Rick Keizer, M.D.Anderson, SC 296211912975152
- David Kyle, M.D.Anderson, SC 296211952370728
- Alissa Manfredi, MDAnderson, SC 296211669428744
- David McCann, M.D.Anderson, SC 296211588633358
Common questions
What is John Mark Baker, MD's NPI number?
John Mark Baker, MD's National Provider Identifier (NPI) is 1760423339, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Mark Baker, MD located?
The NPPES record lists a practice address at 600 N Fant St, Anderson, SC, 29621. Phone: (864) 512-2000. Providers update this record themselves, so call before visiting.
How can I verify John Mark Baker, MD's license?
NPPES lists South Carolina license number 12896, 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 Mark Baker, MD prescribe under Medicare Part D?
In 2024, John Mark Baker, MD had 1,426 Medicare Part D claims for 734 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.