Robert Mark Sayes, M.D.
Family Medicine Physician · Prairieville, LA
Robert Mark Sayes, M.D. is a family medicine physician with a practice address in Prairieville, Louisiana, and NPI 1225026529, issued on Oct 11, 2005. Check the license (Louisiana 019375, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Robert Mark Sayes
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 019375 LA
Self-reported in NPPES; status is on the state search - Practice location
- 17520 Old Jefferson Hwy, Prairieville, LA 70769
- Phone
- (225) 673-8983
- Enumerated
- Oct 11, 2005
- Record last updated
- Feb 20, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (225) 677-8983
- Medicaid ID
- 1953181 LA
- Medicare enrollment
- Enrolled (PECOS I20050302000106); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Also registered at 17520 Old Jefferson Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Regan AppletonBehavior Analyst1619866563
- Victoria Boesen, MA, BCABAAssistant Behavior Analyst1003597626
- Rebecca Cranford, FNP-CFamily Nurse Practitioner1134475429
- Shelby Edmonston, BCBA, LBABehavior Analyst1023519758
- Destiny HawkinsPediatric Occupational Therapist1780542787
- Stefan MatthewsBehavior Analyst1841847712
Verify Robert Mark Sayes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 019375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average family medicine physician in 2024
7,128 Medicare Part D claims for 530 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Amlodipine Besylate530 claims
- Atorvastatin Calcium487 claims
- Gabapentin261 claims
- Metformin Hcl234 claims
- Losartan Potassium229 claims
- Rosuvastatin Calcium229 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: $142.83
3 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, 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.
Bills Medicare through one group practice
- Capital City Medical Group, L.L.C.Gonzales, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Mark Sayes among 1,728 family medicine physician records in Louisiana
Robert Mark Sayes, M.D. is one of 1,728 family medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1987 · median 2006 among the 1,201 with a school on file
- Record last updated2017 · 61% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 family medicine physician records list a practice address in Prairieville
They are 14 of the 493 NPPES records with a practice address in Prairieville, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Prairieville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Steven Abramson, M.D.Prairieville, LA 707691720086820
- Stephanie Coleman-Lawrence, M.D.Prairieville, LA 707691376997064
- James Dantoni, M.D.Prairieville, LA 707691922007491
- Johneice Griffin, APRN, FNP-CPrairieville, LA 707691639665987
- Stacy Jones-Pedescleaux, M.D.Prairieville, LA 707691962670570
- Jessica Khanna, M.D.Baton Rouge, LA 707691477728947
- Chelcie Langlois, NPPrairieville, LA 707691477107290
- Vincent Nguyen, MDPrairieville, LA 707691053459644
Common questions
What is Robert Mark Sayes, M.D.'s NPI number?
Robert Mark Sayes, M.D.'s National Provider Identifier (NPI) is 1225026529, issued on Oct 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Mark Sayes, M.D. located?
The NPPES record lists a practice address at 17520 Old Jefferson Hwy, Prairieville, LA, 70769. Phone: (225) 673-8983. Providers update this record themselves, so call before visiting.
How can I verify Robert Mark Sayes, M.D.'s license?
NPPES lists Louisiana license number 019375, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Mark Sayes, M.D. prescribe under Medicare Part D?
In 2024, Robert Mark Sayes, M.D. had 7,128 Medicare Part D claims for 530 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.