Dr. Glen B. Chun, MD
- Medicare services, 2024
- 1,754
- Medicare patients, 2024
- 475
- Part D claims, 2024
- 2,549
- Publications
- 4
- Hospital affiliations
- 2
- Practice address
- One Gustave L Levy Place, New York, NY 10029
- Practice phone
- Call (212) 241-7981
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chun'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. Glen B. Chun is a pulmonologist in New York, New York
Dr. Chun practices at The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System.
Dr. Chun's NPI, 1194052860, was assigned on November 17, 2009. Dr. Chun holds New York license 267170.
- NPI
- 1194052860NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092028852
- NPI enumeration date
- November 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 241-7981
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Glen B. Chun practices at 2 locations in New York, New York
Dr. Chun's primary practice is The Mount Sinai Hospital, at One Gustave L Levy Place, New York, NY 10029 in New York County. The practice phone is (212) 241-7981. Dr. Chun also practices at The Mount Sinai Hospital, 1 Gustave L Levy Pl, New York, NY 10029.
- The Mount Sinai HospitalPrimaryOne Gustave L Levy Place, New York, NY 10029 · New York CountyPhone(212) 241-7981
- The Mount Sinai Hospital1 Gustave L Levy Pl, New York, NY 10029 · New York CountyPhone(212) 256-2904
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Glen B. Chun is affiliated with 3 sites of care and 1 medical group
Dr. Chun's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. Dr. Chun is also affiliated with Hospital for Special Surgery. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Chun to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Glen B. Chun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chun practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Mount Sinai Hospital | Available with a free account |
| +2 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 Mount Sinai Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Glen B. Chun is one of 1,056 pulmonologists in New York
Pulmonary disease is Dr. Chun's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Chun is licensed in New York.
Specialties and state licenses
- Pulmonary disease, New YorkPrimary
Pulmonologists near Dr. Chun
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. Glen B. Chun billed Medicare for 1,754 services in 2024
CMS data shows 1,754 Medicare services from Dr. Chun across 10 procedure codes in 2024, for 475 Medicare patients. Medicare paid $139,699 for them.
Dr. Chun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3702024: 1,369No change
- Tests and treatments
- 2023: 3412024: 3698%
- Surgery
- 2023: 212024: 1624%
Where Dr. Chun's Medicare services took place, 2024
- In an office141%
- In a facility1,74099%
Dr. Chun compared with the New York median for pulmonologists, 2024
- Dr. Chun
- New York median
- Medicare services
- 1,754vs 6762.6 times
- Medicare patients
- 475vs 27076% above
- Part D claims
- 2,417vs 6443.8 times
Medians across 1,044 pulmonologists in New York with Dmand AI profiles that report each measure.
Dr. Chun'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. Chun?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chun and other pulmonologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Glen B. Chun treated 475 Medicare patients in 2024, average age 77
CMS counts 475 Medicare patients who saw Dr. Chun in 2024. The largest group is 75 to 84, with 207 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.17, 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. Chun's median patient age at 68, with 55% women.
Dr. Chun's Medicare patients by age, 2024
Dr. Chun's Medicare patients by sex, 2024
- Women26856%
- Men20744%
Chronic conditions among Dr. Chun's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease54%
- Arthritis48%
- COPD48%
- Diabetes38%
- Atrial fibrillation32%
- Cancer31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chun'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
- Women55%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Glen B. Chun wrote 2,549 Medicare Part D claims in 2024
In 2024, Dr. Chun wrote 2,549 Medicare Part D claims for 344 patients. 43% of them were for generic drugs. CMS names the drug for 2,417 of them, across 35 drugs with 11 or more claims each, at $857,428 in total drug cost. In 2023, CMS named 1,985 claims across 32 drugs.
Dr. Chun's Part D claims by kind of drug, 2024
- Generic1,107 claims43%
- Brand-name1,442 claims57%
Dr. Chun'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. Chun's Part D claims, 2024
- Antibiotics3%73 of 2,549 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: 1,9852024: 2,41722%
Drugs named by CMS: 35 in 2024, 32 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. Glen B. Chun offers telehealth to Medicare patients
Dr. Chun accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chun as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Glen B. Chun has 4 publications on record
Dmand AI links 4 papers to Dr. Chun, published from 2016 to 2020. 2020 was the busiest year, with 2. Dr. Chun's most frequent co-authors are Neha S. Dangayach, MD, Roopa Kohli-Seth, MD and Jeffrey Olin, DO.
Dr. Chun's most frequent co-authors
- Neha S. Dangayach, MD2 shared papers
- Roopa Kohli-Seth, MD2 shared papers
- Jeffrey Olin, DO2 shared papers
Recent publications by Dr. Chun
Am J Respir Crit Care Med
See who Dr. Chun researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chun 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. Glen B. Chun received $28 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Chun from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Insmed, Inc. paid the most, $28.
Companies that paid Dr. Chun the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Glen B. Chun'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 Affiliation DataDmand AI Practice 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) |
| 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) |
| 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. Glen B. Chun
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. Glen B. Chun's NPI number?
Dr. Glen B. Chun's NPI number is 1194052860. It was assigned on November 17, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Glen B. Chun?
Dr. Glen B. Chun is a pulmonologist in New York, New York. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Glen B. Chun practice?
Dr. Chun practices at One Gustave L Levy Place, New York, NY 10029. Dr. Chun also practices at 1 Gustave L Levy Pl, New York, NY 10029. Dr. Chun's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. Dmand AI also links Dr. Chun to 1 group practice or clinic.
What is Dr. Glen B. Chun's office phone number?
The practice phone on file for Dr. Chun is (212) 241-7981.
What is Dr. Glen B. Chun's medical license number?
Dr. Chun holds New York license 267170.
Which hospitals is Dr. Glen B. Chun affiliated with?
Dr. Chun practices at The Mount Sinai Hospital in New York, New York. Dr. Chun is also affiliated with Hospital for Special Surgery.
What medical group is Dr. Glen B. Chun part of?
Dr. Chun is linked to Mount Sinai Institute for Liver Medicine.
Does Dr. Glen B. Chun accept Medicare?
Yes. CMS data shows Dr. Chun billed Medicare for 1,754 services in 2024, and Dr. Chun accepts Medicare assignment.
Does Dr. Glen B. Chun offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chun as offering telehealth services.
How many Medicare patients does Dr. Glen B. Chun see?
CMS counts 475 Medicare patients who saw Dr. Chun in 2024, with an average age of 77.
Show 6 more questionsShow fewer questions
What services does Dr. Glen B. Chun bill to Medicare?
In 2024, Dr. Chun's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and lung function service (94375).
What drugs does Dr. Glen B. Chun prescribe most?
In 2024 Medicare Part D data, Dr. Chun's most prescribed drugs by claims were Trelegy Ellipta, Albuterol Sulfate Hfa and Azelastine HCl.
Has Dr. Glen B. Chun received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dr. Chun from 1 company from 2025 to 2025. The largest total came from Insmed, Inc.
How long has Dr. Glen B. Chun been practicing?
Dr. Chun graduated from medical school in 2009, 17 years ago.
Does Dr. Glen B. Chun do research?
Dmand AI links 4 publications to Dr. Chun, published from 2016 to 2020.
Who does Dr. Glen B. Chun publish with?
Dr. Chun's most frequent co-authors are Neha S. Dangayach, MD (2 shared papers), Roopa Kohli-Seth, MD (2 shared papers) and Jeffrey Olin, DO (2 shared papers).
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