Dr. Hans Chiang, MBA, MD, MS
- Medicare services, 2024
- 674
- Medicare patients, 2024
- 323
- Part D claims, 2024
- 135
- Hospital affiliations
- 2
- Medical groups
- 2
- Practice address
- 199 Reedsdale Road, Milton, MA 02186
- Practice phone
- Call (617) 696-4600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chiang's professional email, personal email and mobile number
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Dr. Hans Chiang is a hospitalist in Milton, Massachusetts
Dr. Chiang practices at Beth Israel Deaconess Hospital-Milton in Milton, Massachusetts, part of Beth Israel Lahey Health.
Dr. Chiang's NPI, 1639675648, was assigned on March 30, 2018. Dr. Chiang graduated from Indiana University School of Medicine in 2018. Dr. Chiang holds Massachusetts license 292070.
- NPI
- 1639675648NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729317102
- NPI enumeration date
- March 30, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 696-4600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hans Chiang practices at Beth Israel Deaconess Hospital-Milton in Milton, Massachusetts
Dr. Chiang's primary practice is Beth Israel Deaconess Hospital-Milton, at 199 Reedsdale Road, Milton, MA 02186 in Norfolk County. The practice phone is (617) 696-4600.
- Beth Israel Deaconess Hospital-Milton199 Reedsdale Road, Milton, MA 02186 · Norfolk CountyPhone(617) 696-4600
Source: Dmand AI Affiliation Data
Dr. Hans Chiang is affiliated with 3 sites of care and 2 medical groups
Dr. Chiang's primary practice is Beth Israel Deaconess Hospital-Milton in Milton, Massachusetts, part of Beth Israel Lahey Health. Dr. Chiang is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Chiang to 1 more hospice and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hans Chiang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chiang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Hospital-Milton | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hans Chiang is one of 502 hospitalists in Massachusetts
Hospitalist is Dr. Chiang's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Chiang is licensed in Massachusetts.
Specialties and state licenses
- Hospitalist, MassachusettsPrimary
Hospitalists near Dr. Chiang
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. Hans Chiang billed Medicare for 674 services in 2024
CMS data shows 674 Medicare services from Dr. Chiang across 4 procedure codes in 2024, for 323 Medicare patients. Medicare paid $66,867 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chiang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8602024: 67422%
Dr. Chiang compared with the Massachusetts median for hospitalists, 2024
- Dr. Chiang
- Massachusetts median
- Medicare services
- 674vs 46445% above
- Medicare patients
- 323vs 25328% above
- Part D claims
- 31vs 6552% below
Medians across 477 hospitalists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Chiang'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. Hans Chiang treated 323 Medicare patients in 2024, average age 79
CMS counts 323 Medicare patients who saw Dr. Chiang in 2024. The largest group is 85 and over, with 113 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.16, 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. Chiang's median patient age at 74, with 57% women.
Dr. Chiang's Medicare patients by age, 2024
Dr. Chiang's Medicare patients by sex, 2024
- Women19059%
- Men13341%
Chronic conditions among Dr. Chiang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease49%
- Chronic kidney disease48%
- Heart failure48%
- Mood disorders47%
- Anxiety43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chiang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hans Chiang wrote 135 Medicare Part D claims in 2024
In 2024, Dr. Chiang wrote 135 Medicare Part D claims for 69 patients. 85% of them were for generic drugs. CMS names the drug for 31 of them, across 2 drugs with 11 or more claims each, at $429 in total drug cost. In 2023, CMS named 23 claims across 2 drugs.
Dr. Chiang's Part D claims by kind of drug, 2024
- Generic115 claims85%
- Brand-name20 claims15%
Dr. Chiang'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. Chiang's Part D claims, 2024
- Antibiotics27%36 of 135 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: 232024: 3135%
Drugs named by CMS: 2 in 2024, 2 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
How Dr. Hans Chiang takes part in Medicare
Dr. Chiang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Hans Chiang graduated from Indiana University School of Medicine
Dr. Chiang graduated from Indiana University School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Hans Chiang'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) |
| 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. Hans Chiang
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. Hans Chiang's NPI number?
Dr. Hans Chiang's NPI number is 1639675648. It was assigned on March 30, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Hans Chiang?
Dr. Hans Chiang is a hospitalist in Milton, Massachusetts. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Hans Chiang practice?
Dr. Chiang practices at 199 Reedsdale Road, Milton, MA 02186. Dr. Chiang's primary practice is Beth Israel Deaconess Hospital-Milton in Milton, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Chiang to 1 hospice and 1 medical group.
What is Dr. Hans Chiang's office phone number?
The practice phone on file for Dr. Chiang is (617) 696-4600.
What is Dr. Hans Chiang's medical license number?
Dr. Chiang holds Massachusetts license 292070.
Which hospitals is Dr. Hans Chiang affiliated with?
Dr. Chiang practices at Beth Israel Deaconess Hospital-Milton in Milton, Massachusetts. Dr. Chiang is also affiliated with Beth Israel Deaconess Medical Center.
What medical group is Dr. Hans Chiang part of?
Dr. Chiang is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Chiang to 1 more medical group.
Does Dr. Hans Chiang accept Medicare?
Yes. CMS data shows Dr. Chiang billed Medicare for 674 services in 2024, and Dr. Chiang accepts Medicare assignment.
How many Medicare patients does Dr. Hans Chiang see?
CMS counts 323 Medicare patients who saw Dr. Chiang in 2024, with an average age of 79.
What services does Dr. Hans Chiang bill to Medicare?
In 2024, Dr. Chiang's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99239).
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Where did Dr. Hans Chiang go to medical school?
Dr. Chiang graduated from Indiana University School of Medicine in 2018.
What drugs does Dr. Hans Chiang prescribe most?
In 2024 Medicare Part D data, Dr. Chiang's most prescribed drugs by claims were Cefpodoxime Proxetil and Prednisone.
How long has Dr. Hans Chiang been practicing?
Dr. Chiang graduated from medical school in 2018, 8 years ago.
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