Dr. Benjamin Larson, MD
- Medicare services, 2024
- 328
- Medicare patients, 2024
- 187
- Part D claims, 2024
- 3,007
- Hospital affiliations
- 2
- Industry payments
- $50
- Practice address
- 100 E Lancaster Ave, Wayne, PA 19087
- Practice phone
- Call (610) 645-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lankenau Medical Center
Wayne, Pennsylvania
Find Dr. Larson'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. Benjamin Larson is an internist in Wayne, Pennsylvania
Dr. Larson practices at Lankenau Medical Center in Wayne, Pennsylvania.
Dr. Larson's NPI, 1649666223, was assigned on April 10, 2015. Dr. Larson graduated from Oregon Health Sciences University School of Medicine in 2015. Dr. Larson holds Pennsylvania license MD461715.
- NPI
- 1649666223NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658663968
- NPI enumeration date
- April 10, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (610) 645-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Benjamin Larson practices at Lankenau Medical Center in Wayne, Pennsylvania
Dr. Larson's primary practice is Lankenau Medical Center, at 100 E Lancaster Ave, Wayne, PA 19087 in Delaware County. The practice phone is (610) 645-2000.
- Lankenau Medical Center100 E Lancaster Ave, Wayne, PA 19087 · Delaware CountyPhone(610) 645-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Benjamin Larson is affiliated with 5 sites of care and 1 medical group
Dr. Larson's primary practice is Lankenau Medical Center in Wayne, Pennsylvania. Dr. Larson is also affiliated with Lankenau Medical Center. The medical group on file is Main Line Health. Dmand AI also links Dr. Larson to 1 more hospital, 1 home health agency and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Benjamin Larson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lankenau Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Benjamin Larson is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Larson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Larson is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Larson
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. Benjamin Larson billed Medicare for 328 services in 2024
CMS data shows 328 Medicare services from Dr. Larson across 4 procedure codes in 2024, for 187 Medicare patients. Medicare paid $22,837 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Larson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3632024: 32810%
Dr. Larson compared with the Pennsylvania median for internists, 2024
- Dr. Larson
- Pennsylvania median
- Medicare services
- 328vs 41721% below
- Medicare patients
- 187vs 185Close to median
- Part D claims
- 2,536vs 22411.3 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Larson'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 Dr. Larson and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Benjamin Larson treated 187 Medicare patients in 2024, average age 70
CMS counts 187 Medicare patients who saw Dr. Larson in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.24, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Larson's median patient age at 56, with 55% women.
Dr. Larson's Medicare patients by age, 2024
Dr. Larson's Medicare patients by sex, 2024
- Women8445%
- Men10355%
Chronic conditions among Dr. Larson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis37%
- Chronic kidney disease36%
- Ischemic heart disease36%
- Diabetes34%
- Heart failure34%
- Mood disorders34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Larson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Benjamin Larson wrote 3,007 Medicare Part D claims in 2024
In 2024, Dr. Larson wrote 3,007 Medicare Part D claims for 290 patients. 78% of them were for generic drugs. CMS names the drug for 2,536 of them, across 58 drugs with 11 or more claims each, at $395,855 in total drug cost. In 2023, CMS named 2,146 claims across 55 drugs.
Dr. Larson's Part D claims by kind of drug, 2024
- Generic2,353 claims78%
- Brand-name605 claims20%
- Other49 claims2%
Dr. Larson'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. Larson's Part D claims, 2024
- Antibiotics1%17 of 3,007 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: 2,1462024: 2,53618%
Drugs named by CMS: 58 in 2024, 55 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. Benjamin Larson offers telehealth to Medicare patients
Dr. Larson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Larson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Benjamin Larson received $50 in industry payments from 2023 to 2024
CMS Open Payments shows 2 general payments to Dr. Larson from 1 drug or device company from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Dexcom, Inc. paid the most, $50.
General payments to Dr. Larson by program year, 2023 to 2024
Companies that paid Dr. Larson the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Benjamin Larson graduated from Oregon Health Sciences University School of Medicine
Dr. Larson graduated from Oregon Health Sciences University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Benjamin Larson'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Benjamin Larson
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. Benjamin Larson's NPI number?
Dr. Benjamin Larson's NPI number is 1649666223. It was assigned on April 10, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin Larson?
Dr. Benjamin Larson is an internist in Wayne, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Benjamin Larson practice?
Dr. Larson practices at 100 E Lancaster Ave, Wayne, PA 19087. Dr. Larson's primary practice is Lankenau Medical Center in Wayne, Pennsylvania. Dmand AI also links Dr. Larson to 1 hospital, 1 home health agency and 1 hospice.
What is Dr. Benjamin Larson's office phone number?
The practice phone on file for Dr. Larson is (610) 645-2000.
What is Dr. Benjamin Larson's medical license number?
Dr. Larson holds Pennsylvania license MD461715.
Which hospitals is Dr. Benjamin Larson affiliated with?
Dr. Larson is affiliated with Lankenau Medical Center. Dmand AI links Dr. Larson to 1 more hospital.
What medical group is Dr. Benjamin Larson part of?
Dr. Larson is linked to Main Line Health.
Does Dr. Benjamin Larson accept Medicare?
Yes. CMS data shows Dr. Larson billed Medicare for 328 services in 2024, and Dr. Larson accepts Medicare assignment.
Does Dr. Benjamin Larson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Larson as offering telehealth services.
How many Medicare patients does Dr. Benjamin Larson see?
CMS counts 187 Medicare patients who saw Dr. Larson in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. Benjamin Larson bill to Medicare?
In 2024, Dr. Larson's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and office visit, established patient (99213).
Where did Dr. Benjamin Larson go to medical school?
Dr. Larson graduated from Oregon Health Sciences University School of Medicine in 2015.
What drugs does Dr. Benjamin Larson prescribe most?
In 2024 Medicare Part D data, Dr. Larson's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Trulicity.
Has Dr. Benjamin Larson received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Dr. Larson from 1 company from 2023 to 2024. The largest total came from Dexcom, Inc.
How long has Dr. Benjamin Larson been practicing?
Dr. Larson graduated from medical school in 2015, 11 years ago.
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