AutoantibodiesCD8-Positive T-LymphocytesDiabetes Mellitus, Type 1
Dr. Ali Naji, MD
NPI1558398727
- Medicare services, 2020
- 29
- Publications
- 138
- Industry payments
- $4,550
- Medical group
- 1
- State license
- 1
- Practice address
- 3400 Spruce St, Philadelphia, PA 19104
- Practice phone
- Call (215) 662-6289
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Ali Naji is a general surgeon in Philadelphia, Pennsylvania
Dr. Naji practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania.
Dr. Naji's NPI, 1558398727, was assigned on June 26, 2006. Dr. Naji holds Pennsylvania license MD035504L.
NPI and contact details
- NPI
- 1558398727NPI Registry (opens in a new tab)
- NPI enumeration date
- June 26, 2006
- NPI status
- Active
- Practice phone
- (215) 662-6289
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ali Naji practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania
Dr. Naji's primary practice is Hospital of the University of Pennsylvania, at 3400 Spruce St, Philadelphia, PA 19104 in Philadelphia County. The practice phone is (215) 662-6289.
- Hospital of the University of Pennsylvania3400 Spruce St, Philadelphia, PA 19104 · Philadelphia CountyPhone(215) 662-6289
Source: Dmand AI Affiliation Data
Dr. Ali Naji is affiliated with 1 medical group
Dr. Naji's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania. The medical group on file is Penn Medicine Lancaster General Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ali Naji's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Naji practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital of the University of Pennsylvania | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ali Naji is one of 1,398 general surgeons in Pennsylvania
Surgery is Dr. Naji's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Naji is licensed in Pennsylvania.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
General surgeons near Dr. Naji
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,398general surgeons in Pennsylvania301general surgeons in Philadelphia29general surgeons at Hospital of the University of Pennsylvania
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ali Naji billed Medicare for 29 services in 2020
CMS data shows 29 Medicare services from Dr. Naji across 2 procedure codes in 2020. Medicare paid $25,202 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202029
Paid by Medicare$25,202
Procedure codes2
Dr. Naji's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 462020: 1861%
- Surgery
- 2019: 122020: 118%
Dr. Naji compared with the Pennsylvania median for general surgeons, 2020
- Dr. Naji
- Pennsylvania median
- Medicare services
- 29vs 15882% below
Medians across 1,213 general surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Naji's most billed Medicare procedure codes, 2020
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. Naji and other general surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ali Naji's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Naji's median patient age at 60, with 32% women.
Dr. Naji's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women32%
- Men68%
Source: Dmand AI Patient Panel Data
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Dr. Ali Naji has 138 publications on record
Dmand AI links 138 papers to Dr. Naji, published from 2010 to 2025. 2017 was the busiest year, with 11. The most frequent topics are Diabetes Mellitus, Type 1, Insulin-Secreting Cells and Islets of Langerhans Transplantation. Dr. Naji has published most often in Am J Transplant. Dr. Naji's most frequent co-authors are Peter Lawrence Abt, MD, Divyansh Agarwal, MD, MS, PhD and Hooman Noorchashm, MD.
Papers138
Years published2010 to 2025
Dr. Naji's papers by year, 2016 to 2025
Topics Dr. Naji writes about most
- Diabetes Mellitus, Type 1
- Insulin-Secreting Cells
- Islets of Langerhans Transplantation
- Graft Rejection
- Insulin
- Islets of Langerhans
- Kidney Transplantation
- Diabetes Mellitus, Type 2
Dr. Naji's most frequent co-authors
- Peter Lawrence Abt, MD13 shared papers
- Divyansh Agarwal, MD, MS, PhD10 shared papers
- Hooman Noorchashm, MD8 shared papers
Recent publications by Dr. Naji
BiopsyExtracellular VesiclesGraft Rejection
See who Dr. Naji researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Naji 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. Ali Naji received $4,550 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Naji from 1 drug or device company in 2020. Consulting fees make up the largest share, 100% of the total. Vertex Pharmaceuticals Incorporated paid the most, $4,550.
Companies that paid Dr. Naji the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ali Naji'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 Data |
| 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) |
| 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. Ali Naji
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. Ali Naji's NPI number?
Dr. Ali Naji's NPI number is 1558398727. It was assigned on June 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ali Naji?
Dr. Ali Naji is a general surgeon in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Ali Naji practice?
Dr. Naji practices at 3400 Spruce St, Philadelphia, PA 19104. Dr. Naji's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania, part of University of Pennsylvania.
What is Dr. Ali Naji's office phone number?
The practice phone on file for Dr. Naji is (215) 662-6289.
What is Dr. Ali Naji's medical license number?
Dr. Naji holds Pennsylvania license MD035504L.
Which hospitals is Dr. Ali Naji affiliated with?
Dr. Naji practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania.
What medical group is Dr. Ali Naji part of?
Dr. Naji is linked to Penn Medicine Lancaster General Health.
Does Dr. Ali Naji accept Medicare?
Yes. CMS data shows Dr. Naji billed Medicare for 29 services in 2020.
What services does Dr. Ali Naji bill to Medicare?
In 2020, Dr. Naji's most billed Medicare services were hospital inpatient care (99232) and surgery: urinary system (50360).
Has Dr. Ali Naji received payments from drug or device companies?
CMS Open Payments shows $4,550 in general payments to Dr. Naji from 1 company from 2020 to 2020. The largest total came from Vertex Pharmaceuticals Incorporated.
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How long has Dr. Ali Naji been practicing?
Dr. Naji's NPI was assigned in 2006.
Does Dr. Ali Naji do research?
Dmand AI links 138 publications to Dr. Naji, published from 2010 to 2025.
Who does Dr. Ali Naji publish with?
Dr. Naji's most frequent co-authors are Peter Lawrence Abt, MD (13 shared papers), Divyansh Agarwal, MD, MS, PhD (10 shared papers) and Hooman Noorchashm, MD (8 shared papers).
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