Am J Trop Med Hyg
Antibodies, ViralEpidemiological MonitoringImmunoglobulin G
Dr. Chris S. Yan, MD, MPH
NPI1578919635PAC ID8426301771
- Medicare services, 2024
- 855
- Medicare patients, 2024
- 358
- Part D claims, 2024
- 1,009
- Publications
- 3
- MIPS score, 2024
- 91
- Practice address
- 326 Washington St, Norwich, CT 06360
- Practice phone
- Call (860) 889-8331
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yan's professional email, personal email and mobile number
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Dr. Chris S. Yan is a pulmonologist in Norwich, Connecticut
Dr. Yan practices at Backus Hospital in Norwich, Connecticut, part of Hartford HealthCare.
Dr. Yan's NPI, 1578919635, was assigned on May 9, 2016. Dr. Yan graduated from University of Texas Medical School at San Antonio in 2016. Dr. Yan holds Connecticut license 73826.
NPI and contact details
- NPI
- 1578919635NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426301771
- NPI enumeration date
- May 9, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (860) 889-8331
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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. Chris S. Yan practices at Backus Hospital in Norwich, Connecticut
Dr. Yan's primary practice is Backus Hospital, at 326 Washington St, Norwich, CT 06360 in New London County. The practice phone is (860) 889-8331.
- Backus Hospital326 Washington St, Norwich, CT 06360 · New London CountyPhone(860) 889-8331
Source: Dmand AI Affiliation Data
Dr. Chris S. Yan is affiliated with 5 sites of care and 1 medical group
Dr. Yan's primary practice is Backus Hospital in Norwich, Connecticut, part of Hartford HealthCare. Dr. Yan is also affiliated with Hartford Hospital. The medical group on file is Pulmonary Physicians of Norwich. Dmand AI also links Dr. Yan to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Hartford HospitalPulmonary Physicians of Norwich2 hospitalsNames with a free account1 group practice or clinicName with a free account
See all 6 affiliations for Dr. YanSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chris S. Yan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Backus Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Chris S. Yan is one of 239 pulmonologists in Connecticut
Pulmonary disease is Dr. Yan's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dmand AI has Dr. Yan's licenses on file in 2 states: Connecticut and Massachusetts.
Specialties and state licenses
- Pulmonary disease, ConnecticutPrimary
- Internal medicine, Massachusetts
Pulmonologists near Dr. Yan
Counts of pulmonologists 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. Chris S. Yan billed Medicare for 855 services in 2024
CMS data shows 855 Medicare services from Dr. Yan across 12 procedure codes in 2024, for 358 Medicare patients. Medicare paid $96,555 for them.
Medicare services, 2024855
Medicare patients358
Paid by Medicare$96,555
Procedure codes12
Dr. Yan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2892024: 700142%
- Tests and treatments
- 2023: 02024: 155
Where Dr. Yan's Medicare services took place, 2024
- In an office52361%
- In a facility33239%
Dr. Yan compared with the Connecticut median for pulmonologists, 2024
- Dr. Yan
- Connecticut median
- Medicare services
- 855vs 52862% above
- Medicare patients
- 358vs 24745% above
- Part D claims
- 834vs 62334% above
Medians across 239 pulmonologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Yan'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chris S. Yan treated 358 Medicare patients in 2024, average age 74
CMS counts 358 Medicare patients who saw Dr. Yan in 2024. The largest group is 65 to 74, with 136 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.22, 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. Yan's median patient age at 67, with 54% women.
Medicare patients, 2024358
Average age74
Average risk score2.22
Also on Medicaid32%
Dr. Yan's Medicare patients by age, 2024
Dr. Yan's Medicare patients by sex, 2024
- Women19454%
- Men16446%
Chronic conditions among Dr. Yan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- COPD70%
- Arthritis52%
- Anxiety45%
- Heart failure44%
- Ischemic heart disease42%
- Diabetes41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chris S. Yan wrote 1,009 Medicare Part D claims in 2024
In 2024, Dr. Yan wrote 1,009 Medicare Part D claims for 334 patients. 51% of them were for generic drugs. CMS names the drug for 834 of them, across 19 drugs with 11 or more claims each, at $476,773 in total drug cost. In 2023, CMS named 128 claims across 5 drugs.
Part D claims, 20241,009
Drugs named by CMS19
Total drug cost$476,773
Part D patients334
Dr. Yan's Part D claims by kind of drug, 2024
- Generic510 claims51%
- Brand-name and other499 claims49%
Dr. Yan'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. Yan's Part D claims, 2024
- Antibiotics9%89 of 1,009 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: 1282024: 834552%
Drugs named by CMS: 19 in 2024, 5 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. Chris S. Yan scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Yan for performance year 2024, reported as part of a group. Dr. Yan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Yan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Yan's MIPS scores, performance year 2024
- 91of 100Final score
- 74.9of 100Quality
- 40of 100Improvement Activities
- 75of 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. Chris S. Yan has 3 publications on record
Dmand AI links 3 papers to Dr. Yan, published from 2013 to 2017. The most frequent topics are Texas. Dr. Yan's most frequent co-authors are Michael Anthony Bolognese, MD, Cesar Libanati, MD and Leonel Julian Lopez, MD.
Papers3
Years published2013 to 2017
Topics Dr. Yan writes about most
- Texas
Dr. Yan's most frequent co-authors
- Michael Anthony Bolognese, MD1 shared paper
- Cesar Libanati, MD1 shared paper
- Leonel Julian Lopez, MD1 shared paper
Recent publications by Dr. Yan
Biosecur Bioterror
Community NetworksDisaster PlanningGeographic Information Systems
See who Dr. Yan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yan works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Chris S. Yan received $3,957 in industry payments from 2023 to 2025
CMS Open Payments shows 165 general payments to Dr. Yan from 35 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 93% of the total. GlaxoSmithKline, LLC. paid the most, $816.
General payments to Dr. Yan by program year, 2023 to 2025
General payments to Dr. Yan by kind, 2023 to 2025
$4Kin total
- Food and beverage$3,66893%
- Education$2897%
Companies that paid Dr. Yan 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. Chris S. Yan graduated from University of Texas Medical School at San Antonio
Dr. Yan graduated from University of Texas Medical School at San Antonio in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Chris S. Yan'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) |
| 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. Chris S. Yan
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. Chris S. Yan's NPI number?
Dr. Chris S. Yan's NPI number is 1578919635. It was assigned on May 9, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Chris S. Yan?
Dr. Chris S. Yan is a pulmonologist in Norwich, Connecticut. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Chris S. Yan practice?
Dr. Yan practices at 326 Washington St, Norwich, CT 06360. Dr. Yan's primary practice is Backus Hospital in Norwich, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Yan to 2 hospitals and 1 group practice or clinic.
What is Dr. Chris S. Yan's office phone number?
The practice phone on file for Dr. Yan is (860) 889-8331.
What is Dr. Chris S. Yan's medical license number?
Dr. Yan holds Connecticut license 73826, one of the licenses on file in 2 states.
Which states has Dr. Chris S. Yan been licensed in?
Dmand AI has state licenses on file for Dr. Yan in Connecticut and Massachusetts.
Which hospitals is Dr. Chris S. Yan affiliated with?
Dr. Yan practices at Backus Hospital in Norwich, Connecticut. Dr. Yan is also affiliated with Hartford Hospital. Dmand AI links Dr. Yan to 2 more hospitals.
What medical group is Dr. Chris S. Yan part of?
Dr. Yan is linked to Pulmonary Physicians of Norwich.
Does Dr. Chris S. Yan accept Medicare?
Yes. CMS data shows Dr. Yan billed Medicare for 855 services in 2024, and Dr. Yan accepts Medicare assignment.
Does Dr. Chris S. Yan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Yan as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Chris S. Yan's MIPS score?
Dr. Yan's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Dr. Chris S. Yan see?
CMS counts 358 Medicare patients who saw Dr. Yan in 2024, with an average age of 74.
What services does Dr. Chris S. Yan bill to Medicare?
In 2024, Dr. Yan's most billed Medicare services were office visit, established patient (99215), critical care (99291) and office visit, established patient (99214).
Where did Dr. Chris S. Yan go to medical school?
Dr. Yan graduated from University of Texas Medical School at San Antonio in 2016.
What drugs does Dr. Chris S. Yan prescribe most?
In 2024 Medicare Part D data, Dr. Yan's most prescribed drugs by claims were Albuterol Sulfate Hfa, Trelegy Ellipta and Prednisone.
Has Dr. Chris S. Yan received payments from drug or device companies?
CMS Open Payments shows $3,957 in general payments to Dr. Yan from 35 companies from 2023 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Chris S. Yan been practicing?
Dr. Yan graduated from medical school in 2016, 10 years ago.
Does Dr. Chris S. Yan do research?
Dmand AI links 3 publications to Dr. Yan, published from 2013 to 2017.
Who does Dr. Chris S. Yan publish with?
Dr. Yan's most frequent co-authors are Michael Anthony Bolognese, MD (1 shared paper), Cesar Libanati, MD (1 shared paper) and Leonel Julian Lopez, MD (1 shared paper).
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