GlycopyrrolateHernia, InguinalHerniorrhaphy
Dr. Jonathan Yoav Gefen, MD
NPI1497758452PAC ID7416937073
- Medicare services, 2024
- 655
- Medicare patients, 2024
- 356
- Part D claims, 2024
- 35
- Publications
- 3
- Hospital affiliations
- 4
- 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. Gefen's professional email, personal email and mobile number
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Dr. Jonathan Yoav Gefen is a general surgeon in Wayne, Pennsylvania
Dr. Gefen practices at Lankenau Medical Center in Wayne, Pennsylvania.
Dr. Gefen's NPI, 1497758452, was assigned on May 24, 2005. Dr. Gefen graduated from Jefferson Medical College of Thomas Jefferson University in 1997. Dr. Gefen holds Pennsylvania license MD423617.
NPI and contact details
- NPI
- 1497758452NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416937073
- NPI enumeration date
- May 24, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 645-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Yoav Gefen practices at Lankenau Medical Center in Wayne, Pennsylvania
Dr. Gefen'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. Jonathan Yoav Gefen is affiliated with 6 sites of care and 1 medical group
Dr. Gefen's primary practice is Lankenau Medical Center in Wayne, Pennsylvania. Dr. Gefen is also affiliated with Lankenau Medical Center. The medical group on file is Main Line Health. Dmand AI also links Dr. Gefen to 3 more hospitals and 1 home health agency, each named with a free account.
Lankenau Medical CenterPrimary
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. Jonathan Yoav Gefen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gefen practices, 5 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 |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Yoav Gefen is one of 1,398 general surgeons in Pennsylvania
Surgery is Dr. Gefen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gefen is licensed in Pennsylvania.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
General surgeons near Dr. Gefen
Counts of general surgeons 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. Jonathan Yoav Gefen billed Medicare for 655 services in 2024
CMS data shows 655 Medicare services from Dr. Gefen across 14 procedure codes in 2024, for 356 Medicare patients. Medicare paid $95,613 for them.
Medicare services, 2024655
Medicare patients356
Paid by Medicare$95,613
Procedure codes14
Dr. Gefen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5372024: 5301%
- Surgery
- 2023: 892024: 12540%
Where Dr. Gefen's Medicare services took place, 2024
- In an office33050%
- In a facility32550%
Dr. Gefen compared with the Pennsylvania median for general surgeons, 2024
- Dr. Gefen
- Pennsylvania median
- Medicare services
- 655vs 1584.1 times
- Medicare patients
- 356vs 1272.8 times
- Part D claims
- 15vs 2948% below
Medians across 1,213 general surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Gefen'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. Gefen and other general surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan Yoav Gefen treated 356 Medicare patients in 2024, average age 74
CMS counts 356 Medicare patients who saw Dr. Gefen in 2024. The largest group is 65 to 74, with 165 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.55, 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. Gefen's median patient age at 66, with 39% women.
Medicare patients, 2024356
Average age74
Average risk score1.55
Also on Medicaid12%
Dr. Gefen's Medicare patients by age, 2024
Dr. Gefen's Medicare patients by sex, 2024
- Women14541%
- Men21159%
Chronic conditions among Dr. Gefen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease44%
- Diabetes29%
- Mood disorders29%
- Chronic kidney disease28%
- Cancer27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gefen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women39%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan Yoav Gefen wrote 35 Medicare Part D claims in 2024
In 2024, Dr. Gefen wrote 35 Medicare Part D claims for 29 patients. 97% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $25 in total drug cost. In 2022, CMS named 25 claims across 1 drug.
Part D claims, 202435
Drugs named by CMS1
Total drug cost$25
Part D patients29
Dr. Gefen's Part D claims by kind of drug, 2024
- Generic34 claims97%
- Brand-name and other1 claims3%
Dr. Gefen'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. Gefen's Part D claims, 2024
- Opioids63%22 of 35 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 252024: 1540%
Drugs named by CMS: 1 in 2024, 1 in 2022.
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. Jonathan Yoav Gefen ranks in the 99th percentile for hernia repair (minimally invasive) in Medicare
Dr. Gefen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 81 procedures of hernia repair (minimally invasive) by Dr. Gefen, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Gefen ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 99th percentile81 procedures
- Hernia repair - groin (open)
- 97th percentile23 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 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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Dr. Jonathan Yoav Gefen has 3 publications on record
Dmand AI links 3 papers to Dr. Gefen, published from 2016 to 2024. The most frequent topics are Hernia, Inguinal and Herniorrhaphy. Dr. Gefen's most frequent co-author is Kei Nagatomo, DO.
Papers3
Years published2016 to 2024
Topics Dr. Gefen writes about most
- Hernia, Inguinal
- Herniorrhaphy
Dr. Gefen's most frequent co-authors
Recent publications by Dr. Gefen
J Laparoendosc Adv Surg Tech A
Fibrin Tissue AdhesiveHernia, InguinalHerniorrhaphy
CholecystitisEtanerceptImmunoglobulin G
See who Dr. Gefen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gefen works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jonathan Yoav Gefen received $24,415 in industry payments from 2016 to 2025
CMS Open Payments shows 178 general payments to Dr. Gefen from 33 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 54% of the total. Baxter Healthcare paid the most, $13,342.
General payments to Dr. Gefen by program year, 2016 to 2025
General payments to Dr. Gefen by kind, 2016 to 2025
$24.4Kin total
- Consulting fees$13,20054%
- Travel and lodging$5,91624%
- Food and beverage$4,29818%
- Education$1,0004%
Companies that paid Dr. Gefen 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. Jonathan Yoav Gefen graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Gefen graduated from Jefferson Medical College of Thomas Jefferson University in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan Yoav Gefen'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)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) |
| 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. Jonathan Yoav Gefen
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. Jonathan Yoav Gefen's NPI number?
Dr. Jonathan Yoav Gefen's NPI number is 1497758452. It was assigned on May 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Yoav Gefen?
Dr. Jonathan Yoav Gefen is a general surgeon in Wayne, Pennsylvania. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Jonathan Yoav Gefen practice?
Dr. Gefen practices at 100 E Lancaster Ave, Wayne, PA 19087. Dr. Gefen's primary practice is Lankenau Medical Center in Wayne, Pennsylvania. Dmand AI also links Dr. Gefen to 3 hospitals and 1 home health agency.
What is Dr. Jonathan Yoav Gefen's office phone number?
The practice phone on file for Dr. Gefen is (610) 645-2000.
What is Dr. Jonathan Yoav Gefen's medical license number?
Dr. Gefen holds Pennsylvania license MD423617.
Which hospitals is Dr. Jonathan Yoav Gefen affiliated with?
Dr. Gefen is affiliated with Lankenau Medical Center. Dmand AI links Dr. Gefen to 3 more hospitals.
What medical group is Dr. Jonathan Yoav Gefen part of?
Dr. Gefen is linked to Main Line Health.
Does Dr. Jonathan Yoav Gefen accept Medicare?
Yes. CMS data shows Dr. Gefen billed Medicare for 655 services in 2024, and Dr. Gefen accepts Medicare assignment.
How many Medicare patients does Dr. Jonathan Yoav Gefen see?
CMS counts 356 Medicare patients who saw Dr. Gefen in 2024, with an average age of 74.
What services does Dr. Jonathan Yoav Gefen bill to Medicare?
In 2024, Dr. Gefen's most billed Medicare services were office visit, new patient (99204), hospital inpatient care (99232) and office visit, established patient (99214).
Show 6 more questionsShow fewer questions
Where did Dr. Jonathan Yoav Gefen go to medical school?
Dr. Gefen graduated from Jefferson Medical College of Thomas Jefferson University in 1997.
What drugs does Dr. Jonathan Yoav Gefen prescribe most?
In 2024 Medicare Part D data, Dr. Gefen's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Jonathan Yoav Gefen received payments from drug or device companies?
CMS Open Payments shows $24,415 in general payments to Dr. Gefen from 33 companies from 2016 to 2025. The largest total came from Baxter Healthcare.
How long has Dr. Jonathan Yoav Gefen been practicing?
Dr. Gefen graduated from medical school in 1997, 29 years ago.
Does Dr. Jonathan Yoav Gefen do research?
Dmand AI links 3 publications to Dr. Gefen, published from 2016 to 2024.
Who does Dr. Jonathan Yoav Gefen publish with?
Dr. Gefen's most frequent co-authors are Kei Nagatomo, DO (1 shared paper).
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