Dr. Alexis I. Gerber, MD
- Medicare services, 2024
- 205
- Medicare patients, 2024
- 88
- Part D claims, 2024
- 66
- Hospital affiliations
- 2
- Industry payments
- $209
- Practice address
- 111 South 11th Street, Philadelphia, PA 19107
- Practice phone
- Call (215) 955-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gerber'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. Alexis I. Gerber is an internist in Philadelphia, Pennsylvania
Dr. Gerber practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University.
Dr. Gerber's NPI, 1174990451, was assigned on August 21, 2015. Dr. Gerber holds Pennsylvania license MD464725.
- NPI
- 1174990451NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799033148
- NPI enumeration date
- August 21, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 955-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexis I. Gerber practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania
Dr. Gerber's primary practice is Thomas Jefferson University Hospital, at 111 South 11th Street, Philadelphia, PA 19107 in Philadelphia County. The practice phone is (215) 955-6000.
- Thomas Jefferson University Hospital111 South 11th Street, Philadelphia, PA 19107 · Philadelphia CountyPhone(215) 955-6000
Source: Dmand AI Affiliation Data
Dr. Alexis I. Gerber is affiliated with 2 sites of care and 1 medical group
Dr. Gerber's primary practice is Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dr. Gerber is also affiliated with St. Mary Medical Center. The medical group on file is Jefferson University Physicians.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexis I. Gerber's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerber practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thomas Jefferson University Hospital | Available with a free account |
| +1 more affiliated site | 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 Thomas Jefferson University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alexis I. Gerber is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Gerber's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gerber is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Gerber
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. Alexis I. Gerber billed Medicare for 205 services in 2024
CMS data shows 205 Medicare services from Dr. Gerber across 4 procedure codes in 2024, for 88 Medicare patients. Medicare paid $18,499 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gerber's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2152024: 2055%
Dr. Gerber compared with the Pennsylvania median for internists, 2024
- Dr. Gerber
- Pennsylvania median
- Medicare services
- 205vs 41751% below
- Medicare patients
- 88vs 18552% below
- Part D claims
- 15vs 22493% below
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Gerber'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. Gerber?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gerber and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexis I. Gerber treated 88 Medicare patients in 2024, average age 74
CMS counts 88 Medicare patients who saw Dr. Gerber in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.08, 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. Gerber's median patient age at 65, with 54% women.
Dr. Gerber's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gerber's Medicare patients by sex, 2024
- Women4349%
- Men4551%
Chronic conditions among Dr. Gerber's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Ischemic heart disease50%
- Mood disorders48%
- Anxiety44%
- Diabetes42%
- Chronic kidney disease40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gerber's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women54%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexis I. Gerber wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Gerber wrote 66 Medicare Part D claims for 31 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 $94 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Dr. Gerber's Part D claims by kind of drug, 2024
- Generic64 claims97%
- Brand-name and other2 claims3%
Dr. Gerber'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. Gerber's Part D claims, 2024
- Opioids21%14 of 66 claims
- Antibiotics44%29 of 66 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: 132024: 1515%
Drugs named by CMS: 1 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. Alexis I. Gerber ranks in the 46th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Gerber accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Gerber, more than 46% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Gerber ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 46th percentile15 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Alexis I. Gerber received $209 in industry payments from 2018 to 2021
CMS Open Payments shows 3 general payments to Dr. Gerber from 2 drug and device companies from 2018 to 2021. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $150.
General payments to Dr. Gerber by program year, 2018 to 2021
Companies that paid Dr. Gerber the most, 2018 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Alexis I. Gerber'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) |
| 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 Dr. Alexis I. Gerber
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. Alexis I. Gerber's NPI number?
Dr. Alexis I. Gerber's NPI number is 1174990451. It was assigned on August 21, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexis I. Gerber?
Dr. Alexis I. Gerber is an internist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alexis I. Gerber practice?
Dr. Gerber practices at 111 South 11th Street, Philadelphia, PA 19107. Dr. Gerber's primary practice is Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University.
What is Dr. Alexis I. Gerber's office phone number?
The practice phone on file for Dr. Gerber is (215) 955-6000.
What is Dr. Alexis I. Gerber's medical license number?
Dr. Gerber holds Pennsylvania license MD464725.
Which hospitals is Dr. Alexis I. Gerber affiliated with?
Dr. Gerber practices at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania. Dr. Gerber is also affiliated with St. Mary Medical Center.
What medical group is Dr. Alexis I. Gerber part of?
Dr. Gerber is linked to Jefferson University Physicians.
Does Dr. Alexis I. Gerber accept Medicare?
Yes. CMS data shows Dr. Gerber billed Medicare for 205 services in 2024, and Dr. Gerber accepts Medicare assignment.
How many Medicare patients does Dr. Alexis I. Gerber see?
CMS counts 88 Medicare patients who saw Dr. Gerber in 2024, with an average age of 74.
What services does Dr. Alexis I. Gerber bill to Medicare?
In 2024, Dr. Gerber's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Show 3 more questionsShow fewer questions
What drugs does Dr. Alexis I. Gerber prescribe most?
In 2024 Medicare Part D data, Dr. Gerber's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass.
Has Dr. Alexis I. Gerber received payments from drug or device companies?
CMS Open Payments shows $209 in general payments to Dr. Gerber from 2 companies from 2018 to 2021. The largest total came from Boston Scientific Corporation.
How long has Dr. Alexis I. Gerber been practicing?
Dr. Gerber graduated from medical school in 2015, 11 years ago.
Selling to internal medicine practices?
See internists in Pennsylvania by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card