Mark Knackstedt
Otolaryngology Physician · Shreveport, LA
Mark Knackstedt is an otolaryngology physician with a practice address in Shreveport, Louisiana, and NPI 1285203521, issued on Jun 22, 2021. Check the license (Louisiana 352615, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Knackstedt
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 352615 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2530 Bert Kouns Industrial Loop Ste 112, Shreveport, LA 71118
- Phone
- (318) 212-3960
- Enumerated
- Jun 22, 2021
- Record last updated
- Jul 10, 2026
- Fax
- (318) 212-3907
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 226 in Louisiana → Look up another NPI →
Also registered at 2530 Bert Kouns Industrial Loop Ste 112
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caroline Caperton, M.D., M.S.P.H.Allergy & Immunology Physician1861791592
- David Hilton, M.D.Otolaryngology Physician1982622031
Verify Mark Knackstedt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 352615Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average otolaryngology physician in 2024
76 Medicare Part D claims for 26 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 16 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen15 claims
- Ondansetron Hcl13 claims
- Famotidine11 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: $418.39
12 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 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.
Mark Knackstedt among 226 otolaryngology physician records in Louisiana
Mark Knackstedt is one of 226 otolaryngology 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 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Louisiana
There are 226 otolaryngology physician records in Louisiana.
All 226 in Louisiana → Every provider in Shreveport → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Joseph Bosley, MDShreveport, LA 711181619960119
- David Hilton, M.D.Shreveport, LA 711181982622031
- Gilbert Christy, MDBossier City, LA 711111396779641
- Roy Fleniken, M.D.Bossier City, LA 711111306805775
- Chandrakant JoshiBossier City, LA 711111750340733
- John Lavo, MDBossier City, LA 711111851787071
- Kevin Moore, MDBossier City, LA 711111932595154
- Glen Watkins, M.D.Bossier City, LA 711111124023874
Common questions
What is Mark Knackstedt's NPI number?
Mark Knackstedt's National Provider Identifier (NPI) is 1285203521, issued on Jun 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mark Knackstedt located?
The NPPES record lists a practice address at 2530 Bert Kouns Industrial Loop Ste 112, Shreveport, LA, 71118. Phone: (318) 212-3960. Providers update this record themselves, so call before visiting.
How can I verify Mark Knackstedt's license?
NPPES lists Louisiana license number 352615, 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 Knackstedt prescribe under Medicare Part D?
In 2024, Mark Knackstedt had 76 Medicare Part D claims for 26 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.