Dr. Yilan L. Chang, MD
- Medicare services, 2024
- 4,242
- Medicare patients, 2024
- 1,355
- Hospital affiliations
- 5
- Industry payments
- $25
- Medical groups
- 4
- Practice address
- 272 Benedict Avenue, Norwalk, OH 44857
- Practice phone
- Call (419) 668-8101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chang'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. Yilan L. Chang is a pathologist in Norwalk, Ohio
Dr. Chang practices at Fisher-Titus Medical Center in Norwalk, Ohio, part of Fisher-Titus Medical Center.
Dr. Chang's NPI, 1295711992, was assigned on December 15, 2005. Dr. Chang holds Ohio license 35-081972.
- NPI
- 1295711992NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385635226
- NPI enumeration date
- December 15, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 668-8101
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yilan L. Chang practices at Fisher-Titus Medical Center in Norwalk, Ohio
Dr. Chang's primary practice is Fisher-Titus Medical Center, at 272 Benedict Avenue, Norwalk, OH 44857 in Huron County. The practice phone is (419) 668-8101.
- Fisher-Titus Medical Center272 Benedict Avenue, Norwalk, OH 44857 · Huron CountyPhone(419) 668-8101
Source: Dmand AI Affiliation Data
Dr. Yilan L. Chang is affiliated with 7 sites of care and 4 medical groups
Dr. Chang's primary practice is Fisher-Titus Medical Center in Norwalk, Ohio, part of Fisher-Titus Medical Center. Dr. Chang is also affiliated with University Hospitals Cleveland Medical Center. The medical group on file is Fisher-Titus Medical Care. Dmand AI also links Dr. Chang to 3 more hospitals, 3 medical groups and 2 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Yilan L. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fisher-Titus Medical Center | Available with a free account |
| +6 more sites and 3 medical groups | 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 Fisher-Titus Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Yilan L. Chang is one of 525 pathologists in Ohio
Anatomic pathology and clinical pathology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Chang is licensed in Ohio.
Specialties and state licenses
- Anatomic pathology and clinical pathology, OhioPrimary
Pathologists near Dr. Chang
Counts of pathologists 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. Yilan L. Chang billed Medicare for 4,242 services in 2024
CMS data shows 4,242 Medicare services from Dr. Chang across 19 procedure codes in 2024, for 1,355 Medicare patients. Medicare paid $130,295 for them.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 3,5562024: 4,14517%
- Other services
- 2023: 312024: 97213%
Where Dr. Chang's Medicare services took place, 2024
- In an office1,82243%
- In a facility2,42057%
Dr. Chang compared with the Ohio median for pathologists, 2024
- Dr. Chang
- Ohio median
- Medicare services
- 4,242vs 1,1853.6 times
- Medicare patients
- 1,355vs 5032.7 times
Medians across 571 pathologists in Ohio with Dmand AI profiles that report each measure.
Dr. Chang'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. Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other pathologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yilan L. Chang treated 1,355 Medicare patients in 2024, average age 74
CMS counts 1,355 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 668 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 71, with 44% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women56141%
- Men79459%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease33%
- Diabetes31%
- Chronic kidney disease29%
- Cancer27%
- Anxiety25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women44%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Yilan L. Chang takes part in Medicare
Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Yilan L. Chang received $25 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Chang from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Tempus AI, Inc paid the most, $25.
Companies that paid Dr. Chang the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Yilan L. Chang'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Yilan L. Chang
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. Yilan L. Chang's NPI number?
Dr. Yilan L. Chang's NPI number is 1295711992. It was assigned on December 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Yilan L. Chang?
Dr. Yilan L. Chang is a pathologist in Norwalk, Ohio. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Yilan L. Chang practice?
Dr. Chang practices at 272 Benedict Avenue, Norwalk, OH 44857. Dr. Chang's primary practice is Fisher-Titus Medical Center in Norwalk, Ohio, part of Fisher-Titus Medical Center. Dmand AI also links Dr. Chang to 3 hospitals, 3 medical groups and 2 group practices and clinics.
What is Dr. Yilan L. Chang's office phone number?
The practice phone on file for Dr. Chang is (419) 668-8101.
What is Dr. Yilan L. Chang's medical license number?
Dr. Chang holds Ohio license 35-081972.
Which hospitals is Dr. Yilan L. Chang affiliated with?
Dr. Chang practices at Fisher-Titus Medical Center in Norwalk, Ohio. Dr. Chang is also affiliated with University Hospitals Cleveland Medical Center. Dmand AI links Dr. Chang to 3 more hospitals.
What medical group is Dr. Yilan L. Chang part of?
Dr. Chang is linked to Fisher-Titus Medical Care. Dmand AI links Dr. Chang to 3 more medical groups.
Does Dr. Yilan L. Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 4,242 services in 2024, and Dr. Chang accepts Medicare assignment.
How many Medicare patients does Dr. Yilan L. Chang see?
CMS counts 1,355 Medicare patients who saw Dr. Chang in 2024, with an average age of 74.
What services does Dr. Yilan L. Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88112) and lab and pathology test (88342).
Has Dr. Yilan L. Chang received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Dr. Chang from 1 company from 2024 to 2024. The largest total came from Tempus AI, Inc.
How long has Dr. Yilan L. Chang been practicing?
Dr. Chang graduated from medical school in 1987, 39 years ago.
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