Dr. Gelu Osian, MD
- Publications
- 19
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State licenses
- 3
- Practice address
- 33 S State St, Chicago, IL 60603
- Practice phone
- Call (877) 868-5351
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health Medical Associates
Chicago, Illinois
Find Dr. Osian'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. Gelu Osian is a transplant surgery physician in Chicago, Illinois
Dr. Osian practices at Signify Health Medical Associates in Chicago, Illinois.
Dr. Osian's NPI, 1396991857, was assigned on August 14, 2008. Dr. Osian graduated from Iuliu Hatieganu University of Medicine and Pharmacy in 1995. Dr. Osian's Wisconsin license number on file is 70564.
- NPI
- 1396991857NPI Registry (opens in a new tab)
- NPI enumeration date
- August 14, 2008
- NPI status
- Active
- Practice phone
- (877) 868-5351
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gelu Osian practices at Signify Health Medical Associates in Chicago, Illinois
Dr. Osian's primary practice is Signify Health Medical Associates, at 33 S State St, Chicago, IL 60603 in Cook County. The practice phone is (877) 868-5351.
- Signify Health Medical Associates33 S State St, Chicago, IL 60603 · Cook CountyPhone(877) 868-5351
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gelu Osian is affiliated with 2 sites of care and 1 medical group
Dr. Osian's primary practice is Signify Health Medical Associates in Chicago, Illinois. Dr. Osian is also affiliated with Froedtert Hospital. The medical group on file is Signify Health.
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. Gelu Osian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Osian practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signify Health Medical Associates | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gelu Osian is one of 47 transplant surgery physicians in Illinois
Transplant surgery is Dr. Osian's primary specialty in the NPI Registry, under taxonomy code 204F00000X. Dmand AI has Dr. Osian's licenses on file in 3 states: Wisconsin, Maryland and Illinois.
Specialties and state licenses
- Transplant surgery, WisconsinPrimary
- Maryland license
- Illinois license
Transplant surgery physicians near Dr. Osian
Counts of transplant surgery physicians 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. Gelu Osian's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Osian's median patient age at 60, with 63% women.
Dr. Osian'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
- Women63%
- Men34%
Source: Dmand AI Patient Panel Data
Dr. Gelu Osian has 19 publications on record
Dmand AI links 19 papers to Dr. Osian, published from 2010 to 2016. The most frequent topics are Colorectal Neoplasms, Polymorphism, Genetic and Romania. Dr. Osian has published most often in Chirurgia (Bucur).
Dr. Osian's papers by year, 2010 to 2016
Topics Dr. Osian writes about most
- Colorectal Neoplasms
- Polymorphism, Genetic
- Romania
- Adenocarcinoma
- Catheter Ablation
- Genetic Predisposition to Disease
- Liver Neoplasms
- Methylenetetrahydrofolate Reductase (NADPH2)
Recent publications by Dr. Osian
Int J Nanomedicine
Chirurgia (Bucur)
Chirurgia (Bucur)
See who Dr. Osian researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Osian works with, so you can find a warm path to the right transplant surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gelu Osian graduated from Iuliu Hatieganu University of Medicine and Pharmacy
Dr. Osian graduated from Iuliu Hatieganu University of Medicine and Pharmacy in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Gelu Osian accepts plans from 2 insurance carriers
Dr. Osian is in network with 2 carriers, including Highmark and WI State Medicaid. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Highmark
- WI State Medicaid
Plan types Dr. Osian accepts, by number of carriers
- HMO1
- Medicaid1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gelu Osian'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 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 |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Gelu Osian
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. Gelu Osian's NPI number?
Dr. Gelu Osian's NPI number is 1396991857. It was assigned on August 14, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Gelu Osian?
Dr. Gelu Osian is a transplant surgery physician in Chicago, Illinois. The primary specialty in the NPI Registry is Transplant Surgery Physician (taxonomy code 204F00000X).
Where does Dr. Gelu Osian practice?
Dr. Osian practices at 33 S State St, Chicago, IL 60603. Dr. Osian's primary practice is Signify Health Medical Associates in Chicago, Illinois.
What is Dr. Gelu Osian's office phone number?
The practice phone on file for Dr. Osian is (877) 868-5351.
What is Dr. Gelu Osian's medical license number?
Dr. Osian's Wisconsin license number on file is 70564, one of the licenses on file in 3 states.
Which states has Dr. Gelu Osian been licensed in?
Dmand AI has state licenses on file for Dr. Osian in Wisconsin (2019 to 2025), Maryland (2016 to 2025) and Illinois (2008 to 2010).
Which hospitals is Dr. Gelu Osian affiliated with?
Dr. Osian is affiliated with Froedtert Hospital.
What medical group is Dr. Gelu Osian part of?
Dr. Osian is linked to Signify Health.
Where did Dr. Gelu Osian go to medical school?
Dr. Osian graduated from Iuliu Hatieganu University of Medicine and Pharmacy in 1995.
How long has Dr. Gelu Osian been practicing?
Dr. Osian graduated from medical school in 1995, 31 years ago.
Does Dr. Gelu Osian do research?
Dmand AI links 19 publications to Dr. Osian, published from 2010 to 2016.
What insurance does Dr. Gelu Osian accept?
Dr. Osian is in network with 2 carriers, including Highmark and WI State Medicaid. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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