Dr. Charlotte Lin Chang, MD
- Medicare services, 2024
- 920
- Medicare patients, 2024
- 363
- Part D claims, 2024
- 8,876
- Hospital affiliations
- 2
- Industry payments
- $54
- Practice address
- 1600 E Broadway, Columbia, MO 65201
- Practice phone
- Call (573) 815-8000
- 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
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Dr. Charlotte Lin Chang is an internist in Columbia, Missouri
Dr. Chang practices at Boone Health in Columbia, Missouri, part of Boone County, Missouri.
Dr. Chang's NPI, 1578083515, was assigned on June 21, 2017. Dr. Chang graduated from Washington University School of Medicine in 2017. Dr. Chang holds Missouri license 2020008238.
- NPI
- 1578083515NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618248568
- NPI enumeration date
- June 21, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (573) 815-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charlotte Lin Chang practices at Boone Health in Columbia, Missouri
Dr. Chang's primary practice is Boone Health, at 1600 E Broadway, Columbia, MO 65201 in Boone County. The practice phone is (573) 815-8000.
- Boone Health1600 E Broadway, Columbia, MO 65201 · Boone CountyPhone(573) 815-8000
Source: Dmand AI Affiliation Data
Dr. Charlotte Lin Chang is affiliated with 6 sites of care and 1 medical group
Dr. Chang's primary practice is Boone Health in Columbia, Missouri, part of Boone County, Missouri. Dr. Chang is also affiliated with University Hospital. The medical group on file is Boone Health Medical Group. Dmand AI also links Dr. Chang to 3 more home health agencies and 1 group practice or clinic, 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. Charlotte Lin Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boone Health | Available with a free account |
| +5 more affiliated sites | 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 Boone County, Missouri and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Charlotte Lin Chang is one of 2,114 internists in Missouri
Internal medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chang is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Chang
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. Charlotte Lin Chang billed Medicare for 920 services in 2024
CMS data shows 920 Medicare services from Dr. Chang across 13 procedure codes in 2024, for 363 Medicare patients. Medicare paid $78,805 for them. Every service was in an office.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 2472024: 37853%
- Office and hospital visits
- 2023: 2682024: 37841%
- Tests and treatments
- 2023: 392024: 89128%
- Lab and pathology
- 2023: 522024: 7544%
Dr. Chang compared with the Missouri median for internists, 2024
- Dr. Chang
- Missouri median
- Medicare services
- 920vs 53074% above
- Medicare patients
- 363vs 21172% above
- Part D claims
- 8,203vs 32525.2 times
Medians across 2,076 internists in Missouri 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charlotte Lin Chang treated 363 Medicare patients in 2024, average age 74
CMS counts 363 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 186 patients. 73% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 72, with 73% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women26974%
- Men9426%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High cholesterol73%
- High blood pressure66%
- Arthritis44%
- Diabetes21%
- Mood disorders21%
- Osteoporosis21%
- Depression19%
- Ischemic heart disease19%
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 72
Patient panel by sex, all payers
- Women73%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charlotte Lin Chang wrote 8,876 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 8,876 Medicare Part D claims for 978 patients. 87% of them were for generic drugs. CMS names the drug for 8,203 of them, across 140 drugs with 11 or more claims each, at $451,463 in total drug cost. In 2023, CMS named 4,820 claims across 95 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic7,731 claims87%
- Brand-name1,091 claims12%
- Other54 claims1%
Dr. Chang'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.
Drug classes CMS tracks in Dr. Chang's Part D claims, 2024
- Opioids2%211 of 8,876 claims
- Antibiotics1%113 of 8,876 claims
- Antipsychotics, patients 65 and over0%36 of 8,876 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,8202024: 8,20370%
Drugs named by CMS: 140 in 2024, 95 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. Charlotte Lin Chang offers telehealth to Medicare patients
Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Charlotte Lin Chang received $54 in industry payments from 2023 to 2025
CMS Open Payments shows 3 general payments to Dr. Chang from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $37.
General payments to Dr. Chang by program year, 2023 to 2025
Companies that paid Dr. Chang the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charlotte Lin Chang graduated from Washington University School of Medicine
Dr. Chang graduated from Washington University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Charlotte Lin 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) |
| 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) |
| 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. Charlotte Lin 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. Charlotte Lin Chang's NPI number?
Dr. Charlotte Lin Chang's NPI number is 1578083515. It was assigned on June 21, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Charlotte Lin Chang?
Dr. Charlotte Lin Chang is an internist in Columbia, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Charlotte Lin Chang practice?
Dr. Chang practices at 1600 E Broadway, Columbia, MO 65201. Dr. Chang's primary practice is Boone Health in Columbia, Missouri, part of Boone County, Missouri. Dmand AI also links Dr. Chang to 3 home health agencies and 1 group practice or clinic.
What is Dr. Charlotte Lin Chang's office phone number?
The practice phone on file for Dr. Chang is (573) 815-8000.
What is Dr. Charlotte Lin Chang's medical license number?
Dr. Chang holds Missouri license 2020008238.
Which hospitals is Dr. Charlotte Lin Chang affiliated with?
Dr. Chang practices at Boone Health in Columbia, Missouri. Dr. Chang is also affiliated with University Hospital.
What medical group is Dr. Charlotte Lin Chang part of?
Dr. Chang is linked to Boone Health Medical Group.
Does Dr. Charlotte Lin Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 920 services in 2024, and Dr. Chang accepts Medicare assignment.
Does Dr. Charlotte Lin Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chang as offering telehealth services.
How many Medicare patients does Dr. Charlotte Lin Chang see?
CMS counts 363 Medicare patients who saw Dr. Chang in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Charlotte Lin Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Charlotte Lin Chang go to medical school?
Dr. Chang graduated from Washington University School of Medicine in 2017.
What drugs does Dr. Charlotte Lin Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Rosuvastatin Calcium.
Has Dr. Charlotte Lin Chang received payments from drug or device companies?
CMS Open Payments shows $54 in general payments to Dr. Chang from 2 companies from 2023 to 2025. The largest total came from Ethicon Inc.
How long has Dr. Charlotte Lin Chang been practicing?
Dr. Chang graduated from medical school in 2017, 9 years ago.
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