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Dr. Tian Ran Zhang, MD
NPI1356894521PAC ID6406140953
- Medicare services, 2024
- 426
- Medicare patients, 2024
- 324
- Part D claims, 2024
- 176
- Publications
- 27
- MIPS score, 2024
- 75
- Practice address
- 747 N Rutledge St, Ste 2287-B, Springfield, IL 62702
- Practice phone
- Call (217) 545-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SIU Medicine General Internal Medicine - Springfield
FQHC - Main Site · Springfield, Illinois
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Dr. Tian Ran Zhang is a vascular surgeon in Springfield, Illinois
Dr. Zhang practices at SIU Medicine General Internal Medicine - Springfield in Springfield, Illinois.
Dr. Zhang's NPI, 1356894521, was assigned on July 25, 2016. Dr. Zhang graduated from Southern Illinois University School of Medicine in 2016. Dr. Zhang holds Illinois license 036158146.
NPI and contact details
- NPI
- 1356894521NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406140953
- NPI enumeration date
- July 25, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (217) 545-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tian Ran Zhang practices at SIU Medicine General Internal Medicine - Springfield in Springfield, Illinois
Dr. Zhang's primary practice is SIU Medicine General Internal Medicine - Springfield, at 747 N Rutledge St, Ste 2287-B, Springfield, IL 62702. The practice phone is (217) 545-8000.
- SIU Medicine General Internal Medicine - Springfield747 N Rutledge St, Ste 2287-B, Springfield, IL 62702Phone(217) 545-8000
Source: Dmand AI Affiliation Data
Dr. Tian Ran Zhang is affiliated with 7 sites of care and 1 medical group
Dr. Zhang's primary practice is SIU Medicine General Internal Medicine - Springfield in Springfield, Illinois. Dr. Zhang is also affiliated with Springfield Memorial Hospital. The medical group on file is SIU Medicine. Dmand AI also links Dr. Zhang to 4 more hospitals and 1 group practice or clinic, each named with a free account. Dr. Zhang's employer is on file too: a community health center (fqhc).
SIU Medicine General Internal Medicine - SpringfieldPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tian Ran Zhang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhang practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SIU Medicine General Internal Medicine - Springfield | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Zhang practices
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Dr. Tian Ran Zhang is one of 164 vascular surgeons in Illinois
Vascular surgery is Dr. Zhang's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Zhang is licensed in Illinois.
Specialties and state licenses
- Vascular surgery, IllinoisPrimary
Vascular surgeons near Dr. Zhang
Counts of vascular 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. Tian Ran Zhang billed Medicare for 426 services in 2024
CMS data shows 426 Medicare services from Dr. Zhang across 11 procedure codes in 2024, for 324 Medicare patients. Medicare paid $19,442 for them.
Medicare services, 2024426
Medicare patients324
Paid by Medicare$19,442
Procedure codes11
Dr. Zhang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2312024: 20910%
- Tests and treatments
- 2023: 2592024: 18429%
- Surgery
- 2023: 442024: 3325%
Where Dr. Zhang's Medicare services took place, 2024
- In an office15637%
- In a facility27063%
Dr. Zhang compared with the Illinois median for vascular surgeons, 2024
- Dr. Zhang
- Illinois median
- Medicare services
- 426vs 59829% below
- Medicare patients
- 324vs 41221% below
- Part D claims
- 119vs 582.1 times
Medians across 155 vascular surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Zhang'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. Zhang and other vascular surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tian Ran Zhang treated 324 Medicare patients in 2024, average age 74
CMS counts 324 Medicare patients who saw Dr. Zhang in 2024. The largest group is 65 to 74, with 119 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 2.21, 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. Zhang's median patient age at 70, with 52% women.
Medicare patients, 2024324
Average age74
Average risk score2.21
Also on Medicaid29%
Dr. Zhang's Medicare patients by age, 2024
Dr. Zhang's Medicare patients by sex, 2024
- Women13441%
- Men19059%
Chronic conditions among Dr. Zhang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease60%
- Diabetes55%
- Arthritis52%
- Chronic kidney disease43%
- COPD41%
- Heart failure40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zhang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tian Ran Zhang wrote 176 Medicare Part D claims in 2024
In 2024, Dr. Zhang wrote 176 Medicare Part D claims for 49 patients. 92% of them were for generic drugs. CMS names the drug for 119 of them, across 4 drugs with 11 or more claims each, at $7,406 in total drug cost. In 2023, CMS named 108 claims across 4 drugs.
Part D claims, 2024176
Drugs named by CMS4
Total drug cost$7,406
Part D patients49
Dr. Zhang's Part D claims by kind of drug, 2024
- Generic162 claims92%
- Brand-name14 claims8%
Dr. Zhang'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1082024: 11910%
Drugs named by CMS: 4 in 2024, 4 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. Tian Ran Zhang scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Zhang for performance year 2024, reported as part of a group. Dr. Zhang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 37 procedures of removal of tissue by Dr. Zhang, more than 75% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Zhang ranks in Medicare procedure volume
- Removal of tissue
- 75th percentile37 procedures
- Varicose vein removal
- 44th percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Tian Ran Zhang has 27 publications on record
Dmand AI links 27 papers to Dr. Zhang, published from 2013 to 2021. 2015 was the busiest year, with 6. The most frequent topics are Carbon Dioxide, Cell Wall and Microfibrils. Dr. Zhang has published most often in Bio Protoc. Dr. Zhang's most frequent co-authors are Daniel Jeremy Cosgrove, MD, Qian Zhang, MD and Stuart J. Frank, MD.
Papers27
Years published2013 to 2021
Dr. Zhang's papers by year, 2013 to 2021
Topics Dr. Zhang writes about most
- Carbon Dioxide
- Cell Wall
- Microfibrils
- Veillonellaceae
- Acetates
- Bacterial Proteins
- Cellulose
- Electrodes
Dr. Zhang's most frequent co-authors
- Daniel Jeremy Cosgrove, MD8 shared papers
- Qian Zhang, MD3 shared papers
- Stuart J. Frank, MD1 shared paper
Recent publications by Dr. Zhang
Brain Behav Immun
B-LymphocytesBrainBrain Ischemia
J Plant Physiol
ColletotrichumCucumis sativusDisease Resistance
CellulaseCelluloseCell Wall
See who Dr. Zhang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zhang works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tian Ran Zhang received $1,631 in industry payments from 2019 to 2023
CMS Open Payments shows 18 general payments to Dr. Zhang from 1 drug or device company from 2019 to 2023. Travel and lodging make up the largest share, 54% of the total. W. L. Gore & Associates, Inc. paid the most, $1,631.
General payments to Dr. Zhang by program year, 2019 to 2023
General payments to Dr. Zhang by kind, 2019 to 2023
$1.6Kin total
- Travel and lodging$87854%
- Food and beverage$75446%
Companies that paid Dr. Zhang the most, 2019 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tian Ran Zhang graduated from Southern Illinois University School of Medicine
Dr. Zhang graduated from Southern Illinois University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tian Ran Zhang'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Tian Ran Zhang
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What is Dr. Tian Ran Zhang's NPI number?
Dr. Tian Ran Zhang's NPI number is 1356894521. It was assigned on July 25, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Tian Ran Zhang?
Dr. Tian Ran Zhang is a vascular surgeon in Springfield, Illinois. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Tian Ran Zhang practice?
Dr. Zhang practices at 747 N Rutledge St, Ste 2287-B, Springfield, IL 62702. Dr. Zhang's primary practice is SIU Medicine General Internal Medicine - Springfield in Springfield, Illinois. Dmand AI also links Dr. Zhang to 4 hospitals and 1 group practice or clinic.
What is Dr. Tian Ran Zhang's office phone number?
The practice phone on file for Dr. Zhang is (217) 545-8000.
What is Dr. Tian Ran Zhang's medical license number?
Dr. Zhang holds Illinois license 036158146.
Which hospitals is Dr. Tian Ran Zhang affiliated with?
Dr. Zhang is affiliated with Springfield Memorial Hospital. Dmand AI links Dr. Zhang to 4 more hospitals.
What medical group is Dr. Tian Ran Zhang part of?
Dr. Zhang is linked to SIU Medicine.
Does Dr. Tian Ran Zhang accept Medicare?
Yes. CMS data shows Dr. Zhang billed Medicare for 426 services in 2024, and Dr. Zhang accepts Medicare assignment.
What is Dr. Tian Ran Zhang's MIPS score?
Dr. Zhang's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Tian Ran Zhang see?
CMS counts 324 Medicare patients who saw Dr. Zhang in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. Tian Ran Zhang bill to Medicare?
In 2024, Dr. Zhang's most billed Medicare services were office visit, established patient (99213), blood vessel study (93880) and blood vessel study (93970).
Where did Dr. Tian Ran Zhang go to medical school?
Dr. Zhang graduated from Southern Illinois University School of Medicine in 2016.
What drugs does Dr. Tian Ran Zhang prescribe most?
In 2024 Medicare Part D data, Dr. Zhang's most prescribed drugs by claims were Atorvastatin Calcium, Clopidogrel and Rosuvastatin Calcium.
Has Dr. Tian Ran Zhang received payments from drug or device companies?
CMS Open Payments shows $1,631 in general payments to Dr. Zhang from 1 company from 2019 to 2023. The largest total came from W. L. Gore & Associates, Inc.
How long has Dr. Tian Ran Zhang been practicing?
Dr. Zhang graduated from medical school in 2016, 10 years ago.
Does Dr. Tian Ran Zhang do research?
Dmand AI links 27 publications to Dr. Zhang, published from 2013 to 2021.
Who does Dr. Tian Ran Zhang publish with?
Dr. Zhang's most frequent co-authors are Daniel Jeremy Cosgrove, MD (8 shared papers), Qian Zhang, MD (3 shared papers) and Stuart J. Frank, MD (1 shared paper).
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