Dr. Tao-Nan Chi, MD
- Medicare services, 2024
- 1,621
- Medicare patients, 2024
- 448
- Part D claims, 2024
- 9,208
- MIPS score, 2024
- 90
- Hospital affiliations
- 2
- Practice address
- 1290 Silas Deane Hwy, Wethersfield, CT 06109
- Practice phone
- Call (860) 246-2071
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hartford Healthcare Medical Group Specialists
Wethersfield, Connecticut
Find Dr. Chi'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. Tao-Nan Chi is an internist in Wethersfield, Connecticut
Dr. Chi practices at Hartford Healthcare Medical Group Specialists in Wethersfield, Connecticut.
Dr. Chi's NPI, 1538279583, was assigned on August 30, 2006. Dr. Chi graduated from Taipei Medical University in 1970. Dr. Chi holds Connecticut license 019430.
- NPI
- 1538279583NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234130642
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 246-2071
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 82
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tao-Nan Chi practices at Hartford Healthcare Medical Group Specialists in Wethersfield, Connecticut
Dr. Chi's primary practice is Hartford Healthcare Medical Group Specialists, at 1290 Silas Deane Hwy, Wethersfield, CT 06109 in Capitol County. The practice phone is (860) 246-2071.
- Hartford Healthcare Medical Group Specialists1290 Silas Deane Hwy, Wethersfield, CT 06109 · Capitol CountyPhone(860) 246-2071
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tao-Nan Chi is affiliated with 8 sites of care and 2 medical groups
Dr. Chi's primary practice is Hartford Healthcare Medical Group Specialists in Wethersfield, Connecticut. Dr. Chi is also affiliated with St. Vincent's Medical Center. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Dr. Chi to 1 more hospital, 3 home health agencies, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Tao-Nan Chi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chi practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hartford Healthcare Medical Group Specialists | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tao-Nan Chi is one of 2,189 internists in Connecticut
Internal medicine is Dr. Chi's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chi is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Chi
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. Tao-Nan Chi billed Medicare for 1,621 services in 2024
CMS data shows 1,621 Medicare services from Dr. Chi across 16 procedure codes in 2024, for 448 Medicare patients. Medicare paid $138,818 for them. Every service was in an office.
Dr. Chi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1442024: 99213%
- Other services
- 2023: 2932024: 2737%
- Tests and treatments
- 2023: 3262024: 20238%
- Lab and pathology
- 2023: 1572024: 1542%
- Drugs given in the office
- 2023: 1,5602024: 0100%
Dr. Chi compared with the Connecticut median for internists, 2024
- Dr. Chi
- Connecticut median
- Medicare services
- 1,621vs 3904.2 times
- Medicare patients
- 448vs 1722.6 times
- Part D claims
- 8,672vs 34325.3 times
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Chi'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. Chi and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tao-Nan Chi treated 448 Medicare patients in 2024, average age 77
CMS counts 448 Medicare patients who saw Dr. Chi in 2024. The largest group is 75 to 84, with 185 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chi's median patient age at 68, with 45% women.
Dr. Chi's Medicare patients by age, 2024
Dr. Chi's Medicare patients by sex, 2024
- Women23753%
- Men21147%
Chronic conditions among Dr. Chi's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis35%
- Ischemic heart disease22%
- Diabetes20%
- Cancer15%
- Anxiety14%
- Atrial fibrillation14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women45%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tao-Nan Chi wrote 9,208 Medicare Part D claims in 2024
In 2024, Dr. Chi wrote 9,208 Medicare Part D claims for 798 patients. 87% of them were for generic drugs. CMS names the drug for 8,672 of them, across 109 drugs with 11 or more claims each, at $925,556 in total drug cost. In 2023, CMS named 9,700 claims across 115 drugs.
Dr. Chi's Part D claims by kind of drug, 2024
- Generic7,988 claims87%
- Brand-name1,199 claims13%
- Other21 claims0%
Dr. Chi'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. Chi's Part D claims, 2024
- Opioids0%18 of 9,208 claims
- Antibiotics2%141 of 9,208 claims
- Antipsychotics, patients 65 and over0%35 of 9,208 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: 9,7002024: 8,67211%
Drugs named by CMS: 109 in 2024, 115 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. Tao-Nan Chi scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Chi for performance year 2024, reported as part of a group. Dr. Chi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chi's MIPS scores, performance year 2024
- 90of 100Final score
- 83.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Tao-Nan Chi received $1,860 in industry payments from 2016 to 2025
CMS Open Payments shows 114 general payments to Dr. Chi from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. GlaxoSmithKline, LLC. paid the most, $726.
General payments to Dr. Chi by program year, 2016 to 2025
General payments to Dr. Chi by kind, 2016 to 2025
- Food and beverage$1,82998%
- Education$312%
Companies that paid Dr. Chi the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tao-Nan Chi graduated from Taipei Medical University
Dr. Chi graduated from Taipei Medical University in 1970.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tao-Nan Chi'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 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) |
| 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. Tao-Nan Chi
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. Tao-Nan Chi's NPI number?
Dr. Tao-Nan Chi's NPI number is 1538279583. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tao-Nan Chi?
Dr. Tao-Nan Chi is an internist in Wethersfield, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tao-Nan Chi practice?
Dr. Chi practices at 1290 Silas Deane Hwy, Wethersfield, CT 06109. Dr. Chi's primary practice is Hartford Healthcare Medical Group Specialists in Wethersfield, Connecticut. Dmand AI also links Dr. Chi to 1 hospital, 3 home health agencies, 2 group practices and clinics and 1 medical group.
What is Dr. Tao-Nan Chi's office phone number?
The practice phone on file for Dr. Chi is (860) 246-2071.
What is Dr. Tao-Nan Chi's medical license number?
Dr. Chi holds Connecticut license 019430.
Which hospitals is Dr. Tao-Nan Chi affiliated with?
Dr. Chi is affiliated with St. Vincent's Medical Center. Dmand AI links Dr. Chi to 1 more hospital.
What medical group is Dr. Tao-Nan Chi part of?
Dr. Chi is linked to Hartford HealthCare Medical Group Specialists. Dmand AI links Dr. Chi to 1 more medical group.
Does Dr. Tao-Nan Chi accept Medicare?
Yes. CMS data shows Dr. Chi billed Medicare for 1,621 services in 2024, and Dr. Chi accepts Medicare assignment.
What is Dr. Tao-Nan Chi's MIPS score?
Dr. Chi's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Tao-Nan Chi see?
CMS counts 448 Medicare patients who saw Dr. Chi in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Tao-Nan Chi bill to Medicare?
In 2024, Dr. Chi's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Tao-Nan Chi go to medical school?
Dr. Chi graduated from Taipei Medical University in 1970.
What drugs does Dr. Tao-Nan Chi prescribe most?
In 2024 Medicare Part D data, Dr. Chi's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Tao-Nan Chi received payments from drug or device companies?
CMS Open Payments shows $1,860 in general payments to Dr. Chi from 15 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Tao-Nan Chi been practicing?
Dr. Chi graduated from medical school in 1970, 56 years ago.
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