Dr. Calvin Q. Pan, MD
- Medicare services, 2024
- 259
- Medicare patients, 2024
- 79
- Part D claims, 2024
- 1,380
- Publications
- 123
- Clinical trials
- 1
- Practice address
- 132-21 41st Ave, Flushing, NY 11355
- Practice phone
- Call (718) 888-7728
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medical Procare
Flushing, New York
Find Dr. Pan'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. Calvin Q. Pan is a gastroenterologist in Flushing, New York
Dr. Pan practices at Medical Procare in Flushing, New York.
Dr. Pan's NPI, 1427062108, was assigned on July 28, 2006. Dr. Pan holds New York license 203898.
- NPI
- 1427062108NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466492947
- NPI enumeration date
- July 28, 2006
- NPI status
- Active
- Practice phone
- (718) 888-7728
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Calvin Q. Pan practices at Medical Procare in Flushing, New York
Dr. Pan's primary practice is Medical Procare, at 132-21 41st Ave, Flushing, NY 11355 in Queens County. The practice phone is (718) 888-7728.
- Medical Procare132-21 41st Ave, Flushing, NY 11355 · Queens CountyPhone(718) 888-7728
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Calvin Q. Pan is affiliated with 2 sites of care and 2 medical groups
Dr. Pan's primary practice is Medical Procare in Flushing, New York. The medical group on file is Medical Procare. Dmand AI also links Dr. Pan to 1 more group practice or clinic 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. Calvin Q. Pan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medical Procare | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Calvin Q. Pan is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. Pan's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Pan is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Dr. Pan
Counts of gastroenterologists 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. Calvin Q. Pan billed Medicare for 259 services in 2024
CMS data shows 259 Medicare services from Dr. Pan across 8 procedure codes in 2024, for 79 Medicare patients. Medicare paid $30,214 for them. Every service was in an office.
Dr. Pan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1482024: 1387%
- Surgery
- 2023: 682024: 9337%
- Imaging
- 2023: 132024: 28115%
Dr. Pan compared with the New York median for gastroenterologists, 2024
- Dr. Pan
- New York median
- Medicare services
- 259vs 42138% below
- Medicare patients
- 79vs 23667% below
- Part D claims
- 1,248vs 3823.3 times
Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.
Dr. Pan'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. Calvin Q. Pan treated 79 Medicare patients in 2024, average age 73
CMS counts 79 Medicare patients who saw Dr. Pan in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Pan's median patient age at 56, with 49% women.
Dr. Pan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Pan's Medicare patients by sex, 2024
- Women3848%
- Men4152%
Chronic conditions among Dr. Pan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes44%
- Osteoporosis27%
- Chronic kidney disease25%
- Ischemic heart disease23%
- Cancer16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Calvin Q. Pan wrote 1,380 Medicare Part D claims in 2024
In 2024, Dr. Pan wrote 1,380 Medicare Part D claims for 285 patients. 63% of them were for generic drugs. CMS names the drug for 1,248 of them, across 21 drugs with 11 or more claims each, at $473,704 in total drug cost. In 2023, CMS named 1,422 claims across 26 drugs.
Dr. Pan's Part D claims by kind of drug, 2024
- Generic874 claims63%
- Brand-name and other506 claims37%
Dr. Pan'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. Pan's Part D claims, 2024
- Antibiotics1%14 of 1,380 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: 1,4222024: 1,24812%
Drugs named by CMS: 21 in 2024, 26 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. Calvin Q. Pan ranks in the 97th percentile for colonoscopy in Medicare
CMS counts 266 procedures of colonoscopy by Dr. Pan, more than 97% of the clinicians it reports for that procedure.
Where Dr. Pan ranks in Medicare procedure volume
- Colonoscopy
- 97th percentile266 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 87th percentile167 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Source: Doctors and Clinicians Utilization Data (CMS)
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Dr. Calvin Q. Pan has 123 publications on record
Dmand AI links 123 papers to Dr. Pan, published from 2011 to 2025. 2023 was the busiest year, with 13. The most frequent topics are Hepatitis B, Chronic, Antiviral Agents and Hepatitis B virus. Dr. Pan has published most often in Aliment Pharmacol Ther. Dr. Pan's most frequent co-authors are Huy Ngoc Trinh, MD, Mindie Hoai Nguyen, MD and Anuj Gaggar, MD.
Dr. Pan's papers by year, 2016 to 2025
Topics Dr. Pan writes about most
- Hepatitis B, Chronic
- Antiviral Agents
- Hepatitis B virus
- Infectious Disease Transmission, Vertical
- Hepatitis B
- Pregnancy Complications, Infectious
- DNA, Viral
- Tenofovir
Dr. Pan's most frequent co-authors
- Huy Ngoc Trinh, MD5 shared papers
- Mindie Hoai Nguyen, MD4 shared papers
- Anuj Gaggar, MD3 shared papers
Recent publications by Dr. Pan
Clin Res Hepatol Gastroenterol
Aliment Pharmacol Ther
Clin Res Hepatol Gastroenterol
See who Dr. Pan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Pan works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Calvin Q. Pan has worked on 1 clinical trial
Dmand AI links Dr. Pan to 1 clinical trial. Conditions studied include Hepadnaviridae Infections and Hepatitis B.
Conditions in Dr. Pan's trials
- Hepadnaviridae Infections
- Hepatitis B
Investigators on the most trials with Dr. Pan
Recent clinical trials with Dr. Pan
YIV-906 (Formerly PHY906/KD018) With Sorafenib in HBV(+) Hepatocellular Carcinoma (HCC) (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Calvin Q. Pan received $1,180,210 in industry payments from 2016 to 2025
CMS Open Payments shows 1,694 general payments to Dr. Pan from 40 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 54% of the total. Gilead Sciences, Inc. paid the most, $782,008. It also lists 1 research payment totaling $78 in 2019.
General payments to Dr. Pan by program year, 2016 to 2025
General payments to Dr. Pan by kind, 2016 to 2025
- Speaker and faculty fees$628,27454%
- Consulting fees$295,95825%
- Travel and lodging$122,42611%
- Food and beverage$48,9784%
- Other$67,3106%
Companies that paid Dr. Pan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Calvin Q. Pan'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 Utilization Data (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Calvin Q. Pan
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. Calvin Q. Pan's NPI number?
Dr. Calvin Q. Pan's NPI number is 1427062108. It was assigned on July 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Calvin Q. Pan?
Dr. Calvin Q. Pan is a gastroenterologist in Flushing, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Calvin Q. Pan practice?
Dr. Pan practices at 132-21 41st Ave, Flushing, NY 11355. Dr. Pan's primary practice is Medical Procare in Flushing, New York. Dmand AI also links Dr. Pan to 1 group practice or clinic and 1 medical group.
What is Dr. Calvin Q. Pan's office phone number?
The practice phone on file for Dr. Pan is (718) 888-7728.
What is Dr. Calvin Q. Pan's medical license number?
Dr. Pan holds New York license 203898.
What medical group is Dr. Calvin Q. Pan part of?
Dr. Pan is linked to Medical Procare. Dmand AI links Dr. Pan to 1 more medical group.
Does Dr. Calvin Q. Pan accept Medicare?
Yes. CMS data shows Dr. Pan billed Medicare for 259 services in 2024.
How many Medicare patients does Dr. Calvin Q. Pan see?
CMS counts 79 Medicare patients who saw Dr. Pan in 2024, with an average age of 73.
What services does Dr. Calvin Q. Pan bill to Medicare?
In 2024, Dr. Pan's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: heart and blood vessels (36415).
What drugs does Dr. Calvin Q. Pan prescribe most?
In 2024 Medicare Part D data, Dr. Pan's most prescribed drugs by claims were Sucralfate, Esomeprazole Magnesium and Vemlidy.
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Has Dr. Calvin Q. Pan received payments from drug or device companies?
CMS Open Payments shows $1,180,210 in general payments to Dr. Pan from 40 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Calvin Q. Pan been practicing?
Dr. Pan graduated from medical school in 1985, 41 years ago.
Does Dr. Calvin Q. Pan do research?
Dmand AI links 123 publications to Dr. Pan, published from 2011 to 2025. Dr. Pan has worked on 1 clinical trial.
Who does Dr. Calvin Q. Pan publish with?
Dr. Pan's most frequent co-authors are Huy Ngoc Trinh, MD (5 shared papers), Mindie Hoai Nguyen, MD (4 shared papers) and Anuj Gaggar, MD (3 shared papers).
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