Dr. Gregory Chenhu Hsu, MD
- Medicare services, 2023
- 32
- Part D claims, 2021
- 12
- Hospital affiliations
- 1
- Industry payments
- $2,836
- State license
- 1
- Practice address
- 100 Madison Ave, Morristown, NJ 07962
- Practice phone
- Call (973) 971-5450
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hsu's professional email, personal email and mobile number
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Dr. Gregory Chenhu Hsu is a hospitalist in Morristown, New Jersey
Dr. Hsu practices at Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System.
Dr. Hsu's NPI, 1053871632, was assigned on March 21, 2019. Dr. Hsu graduated from Albany Medical College in 2019. Dr. Hsu holds Hawaii license MD-22665.
- NPI
- 1053871632NPI Registry (opens in a new tab)
- NPI enumeration date
- March 21, 2019
- NPI status
- Active
- Practice phone
- (973) 971-5450
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory Chenhu Hsu practices at Morristown Medical Center in Morristown, New Jersey
Dr. Hsu's primary practice is Morristown Medical Center, at 100 Madison Ave, Morristown, NJ 07962 in Morris County. The practice phone is (973) 971-5450.
- Morristown Medical Center100 Madison Ave, Morristown, NJ 07962 · Morris CountyPhone(973) 971-5450
Source: Dmand AI Affiliation Data
Dr. Gregory Chenhu Hsu is affiliated with 1 site of care
Dr. Hsu's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Chenhu Hsu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hsu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Morristown Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Atlantic Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory Chenhu Hsu is one of 610 hospitalists in New Jersey
Hospitalist is Dr. Hsu's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Hsu is licensed in Hawaii.
Specialties and state licenses
- Hospitalist, HawaiiPrimary
Hospitalists near Dr. Hsu
Counts of hospitalists 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. Gregory Chenhu Hsu billed Medicare for 32 services in 2023
CMS data shows 32 Medicare services from Dr. Hsu across 1 procedure code in 2023. Medicare paid $3,836 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hsu's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 192023: 3268%
Dr. Hsu compared with the New Jersey median for hospitalists, 2023
- Dr. Hsu
- New Jersey median
- Medicare services
- 32vs 65295% below
- Part D claims
- 12vs 9187% below
Medians across 548 hospitalists in New Jersey with Dmand AI profiles that report each measure.
Dr. Hsu's most billed Medicare procedure codes, 2023
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. Hsu and other hospitalists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Chenhu Hsu's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Hsu's median patient age at 58, with 44% women.
Dr. Hsu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Gregory Chenhu Hsu wrote 12 Medicare Part D claims in 2021
In 2021, Dr. Hsu wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $168 in total drug cost. In 2020, CMS named 13 claims across 1 drug.
Dr. Hsu's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 132021: 128%
Drugs named by CMS: 1 in 2021, 1 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Gregory Chenhu Hsu received $2,836 in industry payments from 2021 to 2025
CMS Open Payments shows 49 general payments to Dr. Hsu from 19 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 92% of the total. AOP Health US, LLC paid the most, $797.
General payments to Dr. Hsu by program year, 2021 to 2025
General payments to Dr. Hsu by kind, 2021 to 2025
- Food and beverage$2,59892%
- Education$2388%
Companies that paid Dr. Hsu the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Chenhu Hsu graduated from Albany Medical College
Dr. Hsu graduated from Albany Medical College in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Chenhu Hsu'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Gregory Chenhu Hsu
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. Gregory Chenhu Hsu's NPI number?
Dr. Gregory Chenhu Hsu's NPI number is 1053871632. It was assigned on March 21, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Chenhu Hsu?
Dr. Gregory Chenhu Hsu is a hospitalist in Morristown, New Jersey. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Gregory Chenhu Hsu practice?
Dr. Hsu practices at 100 Madison Ave, Morristown, NJ 07962. Dr. Hsu's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System.
What is Dr. Gregory Chenhu Hsu's office phone number?
The practice phone on file for Dr. Hsu is (973) 971-5450.
What is Dr. Gregory Chenhu Hsu's medical license number?
Dr. Hsu holds Hawaii license MD-22665.
Which hospitals is Dr. Gregory Chenhu Hsu affiliated with?
Dr. Hsu practices at Morristown Medical Center in Morristown, New Jersey.
Does Dr. Gregory Chenhu Hsu accept Medicare?
Yes. CMS data shows Dr. Hsu billed Medicare for 32 services in 2023.
What services does Dr. Gregory Chenhu Hsu bill to Medicare?
In 2023, Dr. Hsu's most billed Medicare services were hospital inpatient care (99223).
Where did Dr. Gregory Chenhu Hsu go to medical school?
Dr. Hsu graduated from Albany Medical College in 2019.
What drugs does Dr. Gregory Chenhu Hsu prescribe most?
In 2021 Medicare Part D data, Dr. Hsu's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Gregory Chenhu Hsu received payments from drug or device companies?
CMS Open Payments shows $2,836 in general payments to Dr. Hsu from 19 companies from 2021 to 2025. The largest total came from AOP Health US, LLC.
How long has Dr. Gregory Chenhu Hsu been practicing?
Dr. Hsu graduated from medical school in 2019, 7 years ago.
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