Dr. John D. Knapp, MD
- Medicare services, 2024
- 700
- Medicare patients, 2024
- 164
- Part D claims, 2024
- 13,078
- Hospital affiliations
- 2
- Industry payments
- $19,538
- Practice address
- 14225 Hwy 73, Prairieville, LA 70769
- Practice phone
- Call (225) 765-7727
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Our Lady of the Lake Physician Group
Prairieville, Louisiana
Find Dr. Knapp's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John D. Knapp is an internist in Prairieville, Louisiana
Dr. Knapp practices at Our Lady of the Lake Physician Group in Prairieville, Louisiana.
Dr. Knapp's NPI, 1669471207, was assigned on July 15, 2005. Dr. Knapp graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1989. Dr. Knapp's Louisiana license number on file is 020619.
- NPI
- 1669471207NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345234852
- NPI enumeration date
- July 15, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (225) 765-7727
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John D. Knapp practices at Our Lady of the Lake Physician Group in Prairieville, Louisiana
Dr. Knapp's primary practice is Our Lady of the Lake Physician Group, at 14225 Hwy 73, Prairieville, LA 70769 in Ascension Parish. The practice phone is (225) 765-7727.
- Our Lady of the Lake Physician Group14225 Hwy 73, Prairieville, LA 70769 · Ascension ParishPhone(225) 765-7727
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John D. Knapp is affiliated with 5 sites of care and 2 medical groups
Dr. Knapp's primary practice is Our Lady of the Lake Physician Group in Prairieville, Louisiana. Dr. Knapp is also affiliated with Our Lady of the Lake Regional Medical Center. The medical group on file is Our Lady of the Lake Physician Group. Dmand AI also links Dr. Knapp to 1 more hospital, 1 group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John D. Knapp's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knapp practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Our Lady of the Lake Physician Group | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John D. Knapp is one of 1,571 internists in Louisiana
Internal medicine is Dr. Knapp's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Knapp has a license on file in Louisiana.
Specialties and state licenses
- Internal medicine, LouisianaPrimary
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, adjustment disease, alzheimer's disease, arthritis, asthma, atrial fibrillation and flutter and bronchitis among the conditions Dr. Knapp treats.
Internists near Dr. Knapp
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John D. Knapp billed Medicare for 700 services in 2024
CMS data shows 700 Medicare services from Dr. Knapp across 8 procedure codes in 2024, for 164 Medicare patients. Medicare paid $40,680 for them. Every service was in an office.
Dr. Knapp's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1472024: 321118%
- Office and hospital visits
- 2023: 3692024: 31714%
- Tests and treatments
- 2023: 732024: 5032%
- Lab and pathology
- 2023: 232024: 1248%
Dr. Knapp compared with the Louisiana median for internists, 2024
- Dr. Knapp
- Louisiana median
- Medicare services
- 700vs 42166% above
- Medicare patients
- 164vs 160Close to median
- Part D claims
- 12,302vs 40830.2 times
Medians across 1,561 internists in Louisiana with Dmand AI profiles that report each measure.
Dr. Knapp's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Knapp?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Knapp and other internists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John D. Knapp treated 164 Medicare patients in 2024, average age 71
CMS counts 164 Medicare patients who saw Dr. Knapp in 2024. The largest group is 65 to 74, with 87 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Knapp's median patient age at 62, with 44% women.
Dr. Knapp's Medicare patients by age, 2024
Dr. Knapp's Medicare patients by sex, 2024
- Women7345%
- Men9155%
Chronic conditions among Dr. Knapp's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis46%
- Diabetes32%
- Ischemic heart disease26%
- Chronic kidney disease24%
- Mood disorders21%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Knapp's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John D. Knapp wrote 13,078 Medicare Part D claims in 2024
In 2024, Dr. Knapp wrote 13,078 Medicare Part D claims for 777 patients. 87% of them were for generic drugs. CMS names the drug for 12,302 of them, across 175 drugs with 11 or more claims each, at $1,055,687 in total drug cost. In 2023, CMS named 11,529 claims across 178 drugs.
Dr. Knapp's Part D claims by kind of drug, 2024
- Generic11,362 claims87%
- Brand-name1,633 claims12%
- Other83 claims1%
Dr. Knapp's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Knapp's Part D claims, 2024
- Opioids1%169 of 13,078 claims
- Antibiotics2%268 of 13,078 claims
- Antipsychotics, patients 65 and over1%143 of 13,078 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 11,5292024: 12,3027%
Drugs named by CMS: 175 in 2024, 178 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John D. Knapp offers telehealth to Medicare patients
Dr. Knapp accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Knapp as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John D. Knapp received $19,538 in industry payments from 2016 to 2025
CMS Open Payments shows 1,355 general payments to Dr. Knapp from 60 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,891.
General payments to Dr. Knapp by program year, 2016 to 2025
General payments to Dr. Knapp by kind, 2016 to 2025
- Food and beverage$19,472100%
- Education$660%
Companies that paid Dr. Knapp the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John D. Knapp has 1 award and honors on record
Dmand AI lists 1 award for Dr. Knapp, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Knapp
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. John D. Knapp graduated from LSU Health Sciences Center New Orleans - School of Medicine
Dr. Knapp graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1989. Dr. Knapp is a member of Louisiana State Medical Society.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. John D. Knapp accepts plans from 17 insurance carriers
Dr. Knapp is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Humana
- +9 more carriersWith a free account
Plan types Dr. Knapp accepts, by number of carriers
- PPO11
- Medicare8
- HMO7
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. John D. Knapp's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John D. Knapp
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John D. Knapp's NPI number?
Dr. John D. Knapp's NPI number is 1669471207. It was assigned on July 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John D. Knapp?
Dr. John D. Knapp is an internist in Prairieville, Louisiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John D. Knapp practice?
Dr. Knapp practices at 14225 Hwy 73, Prairieville, LA 70769. Dr. Knapp's primary practice is Our Lady of the Lake Physician Group in Prairieville, Louisiana. Dmand AI also links Dr. Knapp to 1 hospital, 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. John D. Knapp's office phone number?
The practice phone on file for Dr. Knapp is (225) 765-7727.
What is Dr. John D. Knapp's medical license number?
Dr. Knapp's Louisiana license number on file is 020619.
Which hospitals is Dr. John D. Knapp affiliated with?
Dr. Knapp is affiliated with Our Lady of the Lake Regional Medical Center. Dmand AI links Dr. Knapp to 1 more hospital.
What medical group is Dr. John D. Knapp part of?
Dr. Knapp is linked to Our Lady of the Lake Physician Group. Dmand AI links Dr. Knapp to 1 more medical group.
Does Dr. John D. Knapp accept Medicare?
Yes. CMS data shows Dr. Knapp billed Medicare for 700 services in 2024, and Dr. Knapp accepts Medicare assignment.
Does Dr. John D. Knapp offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Knapp as offering telehealth services.
How many Medicare patients does Dr. John D. Knapp see?
CMS counts 164 Medicare patients who saw Dr. Knapp in 2024, with an average age of 71.
Show 6 more questionsShow fewer questions
What services does Dr. John D. Knapp bill to Medicare?
In 2024, Dr. Knapp's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. John D. Knapp go to medical school?
Dr. Knapp graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1989.
What drugs does Dr. John D. Knapp prescribe most?
In 2024 Medicare Part D data, Dr. Knapp's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. John D. Knapp received payments from drug or device companies?
CMS Open Payments shows $19,538 in general payments to Dr. Knapp from 60 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. John D. Knapp been practicing?
Dr. Knapp graduated from medical school in 1989, 37 years ago.
What insurance does Dr. John D. Knapp accept?
Dr. Knapp is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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