Mark Walter Callaway, M.D.
Urology Physician · Shreveport, LA
Mark Walter Callaway, M.D. is a urology physician with a practice address in Shreveport, Louisiana, and NPI 1457356933, issued on Jun 20, 2005. Check the license (Louisiana 013305, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Walter Callaway
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 013305 LA
Self-reported in NPPES; status is on the state search - Practice location
- 255 Bert Kouns, Shreveport, LA 71106
- Phone
- (318) 683-0411
- Enumerated
- Jun 20, 2005
- Record last updated
- Mar 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (318) 603-5461
- Medicaid ID
- 1302929 LA
- Entity
- Type 1 · individual
8 nearest urology physician records → All 200 in Louisiana → Look up another NPI →
Also registered at 255 Bert Kouns
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Baker, M.D.Urology Physician1396974382
- Christopher Cefalu, M.D.Urology Physician1861717662
- Ralph Henderson, M.D.Urology Physician1164427621
- James Moss, M.D.Urology Physician1497750970
Verify Mark Walter Callaway in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 013305Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average urology physician in 2024
36 Medicare Part D claims, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.
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.
Mark Walter Callaway among 200 urology physician records in Louisiana
Mark Walter Callaway, M.D. is one of 200 urology physician records with a practice address in Louisiana. 80% 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, 81% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2010 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Louisiana
There are 200 urology physician records in Louisiana.
All 200 in Louisiana → Every provider in Shreveport → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Ashley Baker, M.D.Shreveport, LA 711061396974382
- Christopher Cefalu, M.D.Shreveport, LA 711061861717662
- Kevin Cline, MDShreveport, LA 711061699770107
- Raymond Germany, MDShreveport, LA 711061649275116
- Tobin GrigsbyShreveport, LA 711061881699395
- William Hall, M.D.Shreveport, LA 711061710983127
- Ralph Henderson, M.D.Shreveport, LA 711061164427621
- Tommy Mook, M.D.Shreveport, LA 711061871598342
Common questions
What is Mark Walter Callaway, M.D.'s NPI number?
Mark Walter Callaway, M.D.'s National Provider Identifier (NPI) is 1457356933, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Walter Callaway, M.D. located?
The NPPES record lists a practice address at 255 Bert Kouns, Shreveport, LA, 71106. Phone: (318) 683-0411. Providers update this record themselves, so call before visiting.
How can I verify Mark Walter Callaway, M.D.'s license?
NPPES lists Louisiana license number 013305, 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 Mark Walter Callaway, M.D. prescribe under Medicare Part D?
In 2024, Mark Walter Callaway, M.D. had 36 Medicare Part D claims; the average among urology physician prescribers was 1,340. 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.