Dr. Leigh F. Gerson, DO
- Medicare services, 2024
- 219
- Medicare patients, 2024
- 127
- Part D claims, 2024
- 113
- Hospital affiliations
- 1
- Industry payments
- $3,733
- Practice address
- 821 Huntingdon Pike, Huntingdon Valley, PA 19006
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Holy Redeemer Ambulatory Surgery Center - HOPD
Acute Care Hospital outpatient department · Huntingdon Valley, Pennsylvania
Find Dr. Gerson'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. Leigh F. Gerson is a colorectal surgeon in Huntingdon Valley, Pennsylvania
Dr. Gerson practices at Holy Redeemer Ambulatory Surgery Center - HOPD in Huntingdon Valley, Pennsylvania.
Dr. Gerson's NPI, 1508284050, was assigned on April 2, 2014. Dr. Gerson graduated from Philadelphia College of Osteopathic Medicine in 2014. Dr. Gerson holds Pennsylvania license OS019477.
- NPI
- 1508284050NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022391754
- NPI enumeration date
- April 2, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leigh F. Gerson practices at Holy Redeemer Ambulatory Surgery Center - HOPD in Huntingdon Valley, Pennsylvania
Dr. Gerson's primary practice is Holy Redeemer Ambulatory Surgery Center - HOPD, at 821 Huntingdon Pike, Huntingdon Valley, PA 19006.
- Holy Redeemer Ambulatory Surgery Center - HOPD821 Huntingdon Pike, Huntingdon Valley, PA 19006
Source: Dmand AI Affiliation Data
Dr. Leigh F. Gerson is affiliated with 3 sites of care and 1 medical group
Dr. Gerson's primary practice is Holy Redeemer Ambulatory Surgery Center - HOPD in Huntingdon Valley, Pennsylvania. Dr. Gerson is also affiliated with Holy Redeemer Hospital. The medical group on file is Holy Redeemer Physician Services. Dmand AI also links Dr. Gerson to 1 more group practice or clinic, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Leigh F. Gerson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holy Redeemer Ambulatory Surgery Center - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leigh F. Gerson is one of 114 colorectal surgeons in Pennsylvania
Colon and rectal surgery is Dr. Gerson's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Gerson is licensed in Pennsylvania.
Specialties and state licenses
- Colon and rectal surgery, PennsylvaniaPrimary
Colorectal surgeons near Dr. Gerson
Counts of colorectal 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. Leigh F. Gerson billed Medicare for 219 services in 2024
CMS data shows 219 Medicare services from Dr. Gerson across 8 procedure codes in 2024, for 127 Medicare patients. Medicare paid $18,170 for them.
Dr. Gerson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 982024: 18084%
- Surgery
- 2023: 122024: 39225%
Where Dr. Gerson's Medicare services took place, 2024
- In an office5927%
- In a facility16073%
Dr. Gerson compared with the Pennsylvania median for colorectal surgeons, 2024
- Dr. Gerson
- Pennsylvania median
- Medicare services
- 219vs 30027% below
- Medicare patients
- 127vs 20839% below
- Part D claims
- 83vs 84Close to median
Medians across 111 colorectal surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Gerson'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. Gerson and other colorectal surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leigh F. Gerson treated 127 Medicare patients in 2024, average age 76
CMS counts 127 Medicare patients who saw Dr. Gerson in 2024. The largest group is 65 to 74, with 52 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.91, 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. Gerson's median patient age at 57, with 61% women.
Dr. Gerson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gerson's Medicare patients by sex, 2024
- Women7660%
- Men5140%
Chronic conditions among Dr. Gerson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes47%
- Ischemic heart disease43%
- Mood disorders39%
- Anxiety35%
- Depression33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gerson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women61%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leigh F. Gerson wrote 113 Medicare Part D claims in 2024
In 2024, Dr. Gerson wrote 113 Medicare Part D claims for 55 patients. 76% of them were for generic drugs. CMS names the drug for 83 of them, across 4 drugs with 11 or more claims each, at $4,263 in total drug cost. In 2023, CMS named 23 claims across 1 drug.
Dr. Gerson's Part D claims by kind of drug, 2024
- Generic86 claims76%
- Brand-name27 claims24%
Dr. Gerson'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. Gerson's Part D claims, 2024
- Opioids12%13 of 113 claims
- Antibiotics23%26 of 113 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: 232024: 83261%
Drugs named by CMS: 4 in 2024, 1 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. Leigh F. Gerson ranks in the 71st percentile for colonoscopy in Medicare
Dr. Gerson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 70 procedures of colonoscopy by Dr. Gerson, more than 71% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Gerson ranks in Medicare procedure volume
- Colonoscopy
- 71st percentile70 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 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. Leigh F. Gerson received $3,733 in industry payments from 2019 to 2025
CMS Open Payments shows 17 general payments to Dr. Gerson from 6 drug and device companies from 2019 to 2025. Education make up the largest share, 67% of the total. Intuitive Surgical, Inc. paid the most, $3,223.
General payments to Dr. Gerson by program year, 2019 to 2025
General payments to Dr. Gerson by kind, 2019 to 2025
- Education$2,50067%
- Food and beverage$1,23333%
Companies that paid Dr. Gerson the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leigh F. Gerson graduated from Philadelphia College of Osteopathic Medicine
Dr. Gerson graduated from Philadelphia College of Osteopathic Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leigh F. Gerson'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 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) |
| 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. Leigh F. Gerson
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. Leigh F. Gerson's NPI number?
Dr. Leigh F. Gerson's NPI number is 1508284050. It was assigned on April 2, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Leigh F. Gerson?
Dr. Leigh F. Gerson is a colorectal surgeon in Huntingdon Valley, Pennsylvania. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. Leigh F. Gerson practice?
Dr. Gerson practices at 821 Huntingdon Pike, Huntingdon Valley, PA 19006. Dr. Gerson's primary practice is Holy Redeemer Ambulatory Surgery Center - HOPD in Huntingdon Valley, Pennsylvania. Dmand AI also links Dr. Gerson to 1 group practice or clinic.
What is Dr. Leigh F. Gerson's medical license number?
Dr. Gerson holds Pennsylvania license OS019477.
Which hospitals is Dr. Leigh F. Gerson affiliated with?
Dr. Gerson is affiliated with Holy Redeemer Hospital.
What medical group is Dr. Leigh F. Gerson part of?
Dr. Gerson is linked to Holy Redeemer Physician Services.
Does Dr. Leigh F. Gerson accept Medicare?
Yes. CMS data shows Dr. Gerson billed Medicare for 219 services in 2024, and Dr. Gerson accepts Medicare assignment.
How many Medicare patients does Dr. Leigh F. Gerson see?
CMS counts 127 Medicare patients who saw Dr. Gerson in 2024, with an average age of 76.
What services does Dr. Leigh F. Gerson bill to Medicare?
In 2024, Dr. Gerson's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99223) and hospital inpatient care (99222).
Where did Dr. Leigh F. Gerson go to medical school?
Dr. Gerson graduated from Philadelphia College of Osteopathic Medicine in 2014.
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What drugs does Dr. Leigh F. Gerson prescribe most?
In 2024 Medicare Part D data, Dr. Gerson's most prescribed drugs by claims were Ondansetron HCl, Sutab and Metronidazole.
Has Dr. Leigh F. Gerson received payments from drug or device companies?
CMS Open Payments shows $3,733 in general payments to Dr. Gerson from 6 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Leigh F. Gerson been practicing?
Dr. Gerson graduated from medical school in 2014, 12 years ago.
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