John Knapp, M.D.
Internal Medicine Physician · Prairieville, LA
John Knapp, M.D. is an internal medicine physician with a practice address in Prairieville, Louisiana, and NPI 1669471207, issued on Jul 15, 2005. Check the license (Louisiana 020619, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Knapp
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 020619 LA
Self-reported in NPPES; status is on the state search - Practice location
- 14225 Highway 73, Prairieville, LA 70769
- Phone
- (225) 765-5500
- Enumerated
- Jul 15, 2005
- Record last updated
- Mar 31, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (225) 673-3132
- Medicaid ID
- 1902136 LA
- Medicare enrollment
- Enrolled (PECOS I20101210000937); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 14225 Highway 73
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Duplantis, APRN, FNP-CFamily Nurse Practitioner1457742199
- Eric Frusha, MDInternal Medicine Physician1174917652
- Lakisha Lee, MDPediatrics Physician1548489875
Verify John Knapp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 020619Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average internal medicine physician in 2024
13,078 Medicare Part D claims for 777 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 169 claims were for opioids.
Most prescribed
- Atorvastatin Calcium518 claims
- Amlodipine Besylate494 claims
- Levothyroxine Sodium469 claims
- Rosuvastatin Calcium437 claims
- Pantoprazole Sodium379 claims
- Metoprolol Succinate345 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: $1,561.22
100 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 one group practice
- Our Lady OF The Lake Physician Group LLCPrairieville, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Knapp among 1,749 internal medicine physician records in Louisiana
John Knapp, M.D. is one of 1,749 internal 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, 90% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1989 · median 2008 among the 1,216 with a school on file
- Record last updated2021 · 56% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Prairieville
They are 8 of the 493 NPPES records with a practice address in Prairieville, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Prairieville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Baird, M.D.Prairieville, LA 707691770515413
- Eric Frusha, MDPrairieville, LA 707691174917652
- Darron Hampton, DOPrairieville, LA 707691841879202
- Robert Hart, MDPrairieville, LA 707691962436261
- Joseph Heneghan, MDPrairieville, LA 707691093083669
- Bunnie Hill, M.D.Prairieville, LA 707691316946023
- Reginald Ross, M.D.Prairieville, LA 707691720178569
- Gerard Falgoust, M.D.Port Allen, LA 707671720167869
Common questions
What is John Knapp, M.D.'s NPI number?
John Knapp, M.D.'s National Provider Identifier (NPI) is 1669471207, issued on Jul 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Knapp, M.D. located?
The NPPES record lists a practice address at 14225 Highway 73, Prairieville, LA, 70769. Phone: (225) 765-5500. Providers update this record themselves, so call before visiting.
How can I verify John Knapp, M.D.'s license?
NPPES lists Louisiana license number 020619, 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 John Knapp, M.D. prescribe under Medicare Part D?
In 2024, John Knapp, M.D. had 13,078 Medicare Part D claims for 777 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.