Robert K. Anderson
Internal Medicine Physician · Flowood, MS
Robert K. Anderson is an internal medicine physician with a practice address in Flowood, Mississippi, and NPI 1134280407, issued on Dec 12, 2006. Check the license (Mississippi 19562, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Robert K. Anderson
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 19562 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1040 River Oaks Dr Ste 201, Flowood, MS 39232
- Phone
- (601) 992-1222
- Enumerated
- Dec 12, 2006
- Record last updated
- May 25, 2023
- Fax
- (601) 992-7222
- Medicaid ID
- 02205931 MS
- Medicare enrollment
- Enrolled (PECOS I20071009000346); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 972 in Mississippi → Look up another NPI →
Also registered at 1040 River Oaks Dr Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Biggs, M.D.Internal Medicine Physician1992803779
Verify Robert K. Anderson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 19562Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,750 Medicare Part D claims for 260 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Omeprazole228 claims
- Atorvastatin Calcium203 claims
- Hydrochlorothiazide181 claims
- Lisinopril178 claims
- Amlodipine Besylate157 claims
- Pravastatin Sodium150 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.
The MIPS final score for 2023 (Medicare payment program): 3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $251.04
14 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 3 group practices
- Internal Medicine Specialists PLLCFlowood, MS
- Medical Foundation OF Central Mississippi IncJackson, MS
- State OF Mississippi-University OF Mississippi Medical CenterJackson, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert K. Anderson among 972 internal medicine physician records in Mississippi
Robert K. Anderson is one of 972 internal medicine physician records with a practice address in Mississippi. 82% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2004 · median 2008 among the 585 with a school on file
- Record last updated2023 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 internal medicine physician records list a practice address in Flowood
They are 11 of the 972 NPPES records with a practice address in Flowood, and 972 internal medicine physician records in Mississippi.
All 972 in Mississippi → Every provider in Flowood → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Biggs, M.D.Flowood, MS 392321992803779
- Marshall Bouldin, M.D.Jackson, MS 392321255364956
- Marshall Briscoe, M.D.Jackson, MS 392321710374038
- Torrance Green, M.D.Flowood, MS 392321720373335
- Lisa Keeling, M.D.Flowood, MS 392321932460508
- Scott Layne, M.D.Flowood, MS 392321922106749
- Annette Low, M.D.Flowood, MS 392321063445575
- Ludmila Nahar, MDFlowood, MS 392321275148264
Common questions
What is Robert K. Anderson's NPI number?
Robert K. Anderson's National Provider Identifier (NPI) is 1134280407, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert K. Anderson located?
The NPPES record lists a practice address at 1040 River Oaks Dr Ste 201, Flowood, MS, 39232. Phone: (601) 992-1222. Providers update this record themselves, so call before visiting.
How can I verify Robert K. Anderson's license?
NPPES lists Mississippi license number 19562, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert K. Anderson prescribe under Medicare Part D?
In 2024, Robert K. Anderson had 2,750 Medicare Part D claims for 260 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Robert K. Anderson's MIPS final score?
The 2023 MIPS final score is 3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.