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Dr. Jenny Alyssa O'Brien, MD, PhD
NPI1740849694
- Medicare services, 2022
- 12
- Part D claims, 2024
- 88
- Publications
- 5
- Industry payments
- $280
- Affiliated sites
- 2
- Practice address
- 3322 N Broad St Temple Faculty Infectious Disease, Philadelphia, PA 19140-5185
- Practice phone
- Call (210) 707-1800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Temple Faculty General Internal Medicine Associates
Primary care practice · Philadelphia, Pennsylvania
Find Dr. O'Brien'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. Jenny Alyssa O'Brien is an internist in Philadelphia, Pennsylvania
Dr. O'Brien practices at Temple Faculty General Internal Medicine Associates in Philadelphia, Pennsylvania.
Dr. O'Brien's NPI, 1740849694, was assigned on June 12, 2019. Dr. O'Brien graduated from Temple University School of Medicine in 2019. Dr. O'Brien holds Pennsylvania license MD477641.
NPI and contact details
- NPI
- 1740849694NPI Registry (opens in a new tab)
- NPI enumeration date
- June 12, 2019
- NPI status
- Active
- Practice phone
- (210) 707-1800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jenny Alyssa O'Brien practices at 2 locations in Philadelphia, Pennsylvania
Dr. O'Brien's primary practice is Temple Faculty General Internal Medicine Associates, at 3322 N Broad St Temple Faculty Infectious Disease, Philadelphia, PA 19140-5185. The practice phone is (210) 707-1800. The NPI Registry lists Dr. O'Brien's practice address as 7600 Central Ave, Philadelphia, PA 19111.
- Temple Faculty General Internal Medicine AssociatesPrimary3322 N Broad St Temple Faculty Infectious Disease, Philadelphia, PA 19140-5185Phone(210) 707-1800
- NPI Registry address7600 Central Ave, Philadelphia, PA 19111 · Philadelphia CountyPhone(215) 707-1800
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Jenny Alyssa O'Brien is affiliated with 2 sites of care and 2 medical groups
Dr. O'Brien's primary practice is Temple Faculty General Internal Medicine Associates in Philadelphia, Pennsylvania. The medical group on file is Temple Faculty Physicians. Dmand AI also links Dr. O'Brien to 1 more group practice or clinic and 1 medical group, each named with a free account.
Temple Faculty General Internal Medicine AssociatesPrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Jenny Alyssa O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Temple Faculty General Internal Medicine Associates | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jenny Alyssa O'Brien is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. O'Brien is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. O'Brien
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. Jenny Alyssa O'Brien billed Medicare for 12 services in 2022
CMS data shows 12 Medicare services from Dr. O'Brien across 1 procedure code in 2022, all of them office visits. Medicare paid $1,120 for them. Every service was in an office.
Medicare services, 202212
Paid by Medicare$1,120
Procedure codes1
Dr. O'Brien compared with the Pennsylvania median for internists, 2022
- Dr. O'Brien
- Pennsylvania median
- Medicare services
- 12vs 41797% below
- Part D claims
- 238vs 2246% above
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. O'Brien's most billed Medicare procedure codes, 2022
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. O'Brien and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jenny Alyssa O'Brien's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 73, with 33% women.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Jenny Alyssa O'Brien wrote 88 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 88 Medicare Part D claims for 31 patients. 92% of them were for generic drugs. They cover 16 drugs, with $2,284 in total drug cost. In 2021, CMS named 647 claims across 30 drugs.
Part D claims, 202488
Drugs named by CMS16
Total drug cost$2,284
Part D patients31
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic81 claims92%
- Brand-name and other7 claims8%
Dr. O'Brien's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 6472022: 23863%
Drugs named by CMS: 16 in 2022, 30 in 2021.
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
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Dr. Jenny Alyssa O'Brien has 5 publications on record
Dmand AI links 5 papers to Dr. O'Brien, published from 2015 to 2024. The most frequent topics are Astrocytes, Cell Proliferation and Cerebellar Neoplasms. Dr. O'Brien's most frequent co-authors are Jessica R. Bauman, MD, Giuliana Giuseppina Berardi, MD and Efrat Dotan, MD.
Papers5
Years published2015 to 2024
Dr. O'Brien's papers by year, 2015 to 2024
Topics Dr. O'Brien writes about most
- Astrocytes
- Cell Proliferation
- Cerebellar Neoplasms
- Medulloblastoma
- Tumor Microenvironment
Dr. O'Brien's most frequent co-authors
- Jessica R. Bauman, MD1 shared paper
- Giuliana Giuseppina Berardi, MD1 shared paper
- Efrat Dotan, MD1 shared paper
Recent publications by Dr. O'Brien
Cancer Res
AstrocytesCarcinogenesisCell Proliferation
Cell ProliferationDrosophila melanogasterGene Expression Profiling
ApoptosisAstrocytesCerebellar Neoplasms
See who Dr. O'Brien researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Brien works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jenny Alyssa O'Brien received $280 in industry payments in 2025
CMS Open Payments shows 5 general payments to Dr. O'Brien from 4 drug and device companies in 2025. Food and beverage make up the largest share, 75% of the total. Daiichi Sankyo Inc. paid the most, $173.
General payments to Dr. O'Brien by kind, 2025 to 2025
$280in total
- Food and beverage$20975%
- Education$7125%
Companies that paid Dr. O'Brien the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jenny Alyssa O'Brien graduated from Temple University School of Medicine
Dr. O'Brien graduated from Temple University School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jenny Alyssa O'Brien'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| 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) |
| 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. Jenny Alyssa O'Brien
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. Jenny Alyssa O'Brien's NPI number?
Dr. Jenny Alyssa O'Brien's NPI number is 1740849694. It was assigned on June 12, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Jenny Alyssa O'Brien?
Dr. Jenny Alyssa O'Brien is an internist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jenny Alyssa O'Brien practice?
Dr. O'Brien practices at 3322 N Broad St Temple Faculty Infectious Disease, Philadelphia, PA 19140-5185. Dr. O'Brien also practices at 7600 Central Ave, Philadelphia, PA 19111. Dr. O'Brien's primary practice is Temple Faculty General Internal Medicine Associates in Philadelphia, Pennsylvania. Dmand AI also links Dr. O'Brien to 1 group practice or clinic and 1 medical group.
What is Dr. Jenny Alyssa O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (210) 707-1800.
What is Dr. Jenny Alyssa O'Brien's medical license number?
Dr. O'Brien holds Pennsylvania license MD477641.
What medical group is Dr. Jenny Alyssa O'Brien part of?
Dr. O'Brien is linked to Temple Faculty Physicians. Dmand AI links Dr. O'Brien to 1 more medical group.
Does Dr. Jenny Alyssa O'Brien accept Medicare?
Yes. CMS data shows Dr. O'Brien billed Medicare for 12 services in 2022.
What services does Dr. Jenny Alyssa O'Brien bill to Medicare?
In 2022, Dr. O'Brien's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Jenny Alyssa O'Brien go to medical school?
Dr. O'Brien graduated from Temple University School of Medicine in 2019.
What drugs does Dr. Jenny Alyssa O'Brien prescribe most?
In 2022 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Furosemide, Atorvastatin Calcium and Pantoprazole Sodium.
Show 4 more questionsShow fewer questions
Has Dr. Jenny Alyssa O'Brien received payments from drug or device companies?
CMS Open Payments shows $280 in general payments to Dr. O'Brien from 4 companies from 2025 to 2025. The largest total came from Daiichi Sankyo Inc.
How long has Dr. Jenny Alyssa O'Brien been practicing?
Dr. O'Brien graduated from medical school in 2019, 7 years ago.
Does Dr. Jenny Alyssa O'Brien do research?
Dmand AI links 5 publications to Dr. O'Brien, published from 2015 to 2024.
Who does Dr. Jenny Alyssa O'Brien publish with?
Dr. O'Brien's most frequent co-authors are Jessica R. Bauman, MD (1 shared paper), Giuliana Giuseppina Berardi, MD (1 shared paper) and Efrat Dotan, MD (1 shared paper).
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