Am J Clin Oncol
Lawrence Mark Knab
- Medicare services, 2024
- 70
- Medicare patients, 2024
- 87
- Part D claims, 2024
- 55
- Publications
- 34
- Hospital affiliations
- 4
- Practice address
- 500 University Drive, Hershey, PA 17033
- Practice phone
- Call (717) 531-8521
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Lawrence Knab'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.
Lawrence Mark Knab is a surgical oncologist in Hershey, Pennsylvania
Lawrence Knab practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State.
Lawrence Knab's NPI, 1467786988, was assigned on September 30, 2009. Lawrence Knab holds Pennsylvania license MD459422.
- NPI
- 1467786988NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587962824
- NPI enumeration date
- September 30, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (717) 531-8521
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Lawrence Mark Knab practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania
Lawrence Knab's primary practice is Penn State Health Milton S. Hershey Medical Center, at 500 University Drive, Hershey, PA 17033 in Dauphin County. The practice phone is (717) 531-8521.
- Penn State Health Milton S. Hershey Medical Center500 University Drive, Hershey, PA 17033 · Dauphin CountyPhone(717) 531-8521
Source: Dmand AI Affiliation Data
Lawrence Mark Knab is affiliated with 4 sites of care and 2 medical groups
Lawrence Knab's primary practice is Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State. Lawrence Knab is also affiliated with Loyola University Medical Center. The medical group on file is Penn State Health Milton S. Hershey Medical Center. Dmand AI also links Lawrence Knab to 2 more hospitals and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Lawrence Mark Knab's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lawrence Knab practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Penn State Health Milton S. Hershey Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Penn State and 6.2K+ hospitals, with verified contacts in the same login.
Lawrence Mark Knab is one of 76 surgical oncologists in Pennsylvania
Surgical oncology is Lawrence Knab's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dmand AI has Lawrence Knab's licenses on file in 2 states: Pennsylvania and Illinois.
Specialties and state licenses
- Surgical oncology, PennsylvaniaPrimary
- Illinois license
Surgical oncologists near Lawrence Knab
Counts of surgical oncologists 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
Lawrence Mark Knab billed Medicare for 70 services in 2024
CMS data shows 70 Medicare services from Lawrence Knab across 3 procedure codes in 2024, all of them office visits, for 87 Medicare patients. Medicare paid $5,472 for them. Every service was in a facility, such as a hospital, rather than an office.
Lawrence Knab's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1432024: 7051%
- Surgery
- 2023: 302024: 0100%
Lawrence Knab compared with the Pennsylvania median for surgical oncologists, 2024
- Lawrence Knab
- Pennsylvania median
- Medicare services
- 70vs 16658% below
- Medicare patients
- 87vs 12028% below
- Part D claims
- 16vs 2433% below
Medians across 76 surgical oncologists in Pennsylvania with Dmand AI profiles that report each measure.
Lawrence Knab'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Lawrence Knab and other surgical oncologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Lawrence Mark Knab treated 87 Medicare patients in 2024, average age 74
CMS counts 87 Medicare patients who saw Lawrence Knab in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Lawrence Knab's median patient age at 72, with 57% women.
Lawrence Knab's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Lawrence Knab's Medicare patients by sex, 2024
- Women5462%
- Men3338%
Chronic conditions among Lawrence Knab's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer48%
- Arthritis40%
- Ischemic heart disease37%
- Diabetes32%
- Anxiety28%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Lawrence Knab's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Lawrence Mark Knab wrote 55 Medicare Part D claims in 2024
In 2024, Lawrence Knab wrote 55 Medicare Part D claims for 21 patients. 71% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $30,193 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.
Lawrence Knab's Part D claims by kind of drug, 2024
- Generic39 claims71%
- Brand-name16 claims29%
Lawrence Knab'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 242024: 1633%
Drugs named by CMS: 1 in 2024, 2 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
Lawrence Mark Knab offers telehealth to Medicare patients
Lawrence Knab accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Lawrence Knab as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Lawrence Mark Knab has 34 publications on record
Dmand AI links 34 papers to Lawrence Knab, published from 2013 to 2023. 2014 was the busiest year, with 7. The most frequent topics are Pancreatic Neoplasms, Gastrointestinal Stromal Tumors and Postoperative Complications. Lawrence Knab has published most often in Am J Surg. Lawrence Knab's most frequent co-authors are Gerard J. Abood, MD, Emanuel Eguia, MD and David Jason Bentrem, MD.
Lawrence Knab's papers by year, 2013 to 2023
Topics Lawrence Knab writes about most
- Pancreatic Neoplasms
- Gastrointestinal Stromal Tumors
- Postoperative Complications
- Robotic Surgical Procedures
- Stomach Neoplasms
- Chemotherapy, Adjuvant
- Curriculum
- Margins of Excision
Lawrence Knab's most frequent co-authors
- Gerard J. Abood, MD14 shared papers
- Emanuel Eguia, MD11 shared papers
- David Jason Bentrem, MD10 shared papers
Recent publications by Lawrence Knab
Am J Surg
See who Lawrence Knab researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Lawrence Knab works with, so you can find a warm path to the right surgical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Lawrence Mark Knab received $2,310 in industry payments from 2018 to 2023
CMS Open Payments shows 28 general payments to Lawrence Knab from 6 drug and device companies from 2018 to 2023. Travel and lodging make up the largest share, 53% of the total. Intuitive Surgical, Inc. paid the most, $1,554.
General payments to Lawrence Knab by program year, 2018 to 2023
General payments to Lawrence Knab by kind, 2018 to 2023
- Travel and lodging$1,22853%
- Food and beverage$1,08347%
Companies that paid Lawrence Knab the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Lawrence Mark Knab'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Lawrence Mark Knab
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lawrence Mark Knab's NPI number?
Lawrence Mark Knab's NPI number is 1467786988. It was assigned on September 30, 2009, and it is active in the NPI Registry.
What does Lawrence Mark Knab specialize in?
Lawrence Mark Knab is a surgical oncologist in Hershey, Pennsylvania. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).
Where does Lawrence Mark Knab practice?
Lawrence Knab practices at 500 University Drive, Hershey, PA 17033. Lawrence Knab's primary practice is Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State. Dmand AI also links Lawrence Knab to 2 hospitals and 1 medical group.
What is Lawrence Mark Knab's office phone number?
The practice phone on file for Lawrence Knab is (717) 531-8521.
What is Lawrence Mark Knab's medical license number?
Lawrence Knab holds Pennsylvania license MD459422, one of the licenses on file in 2 states.
Which states has Lawrence Mark Knab been licensed in?
Dmand AI has state licenses on file for Lawrence Knab in Pennsylvania and Illinois.
Which hospitals is Lawrence Mark Knab affiliated with?
Lawrence Knab practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania. Lawrence Knab is also affiliated with Loyola University Medical Center. Dmand AI links Lawrence Knab to 2 more hospitals.
What medical group is Lawrence Mark Knab part of?
Lawrence Knab is linked to Penn State Health Milton S. Hershey Medical Center. Dmand AI links Lawrence Knab to 1 more medical group.
Does Lawrence Mark Knab accept Medicare?
Yes. CMS data shows Lawrence Knab billed Medicare for 70 services in 2024, and Lawrence Knab accepts Medicare assignment.
Does Lawrence Mark Knab offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Lawrence Knab as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Lawrence Mark Knab see?
CMS counts 87 Medicare patients who saw Lawrence Knab in 2024, with an average age of 74.
What services does Lawrence Mark Knab bill to Medicare?
In 2024, Lawrence Knab's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99205) and office visit, established patient (99214).
What drugs does Lawrence Mark Knab prescribe most?
In 2024 Medicare Part D data, Lawrence Knab's most prescribed drugs by claims were Creon.
Has Lawrence Mark Knab received payments from drug or device companies?
CMS Open Payments shows $2,310 in general payments to Lawrence Knab from 6 companies from 2018 to 2023. The largest total came from Intuitive Surgical, Inc.
How long has Lawrence Mark Knab been practicing?
Lawrence Knab graduated from medical school in 2009, 17 years ago.
Does Lawrence Mark Knab do research?
Dmand AI links 34 publications to Lawrence Knab, published from 2013 to 2023.
Who does Lawrence Mark Knab publish with?
Lawrence Knab's most frequent co-authors are Gerard J. Abood, MD (14 shared papers), Emanuel Eguia, MD (11 shared papers) and David Jason Bentrem, MD (10 shared papers).
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