Dr. Qiwei Zhang, MD, PhD
- Medicare services, 2024
- 237
- Medicare patients, 2024
- 266
- Part D claims, 2024
- 47
- Hospital affiliations
- 5
- Industry payments
- $191
- Practice address
- 55 Fogg Road, South Weymouth, MA 02190
- Practice phone
- Call (781) 340-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zhang's professional email, personal email and mobile number
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Dr. Qiwei Zhang is a hospitalist in South Weymouth, Massachusetts
Dr. Zhang practices at South Shore Hospital in South Weymouth, Massachusetts, part of South Shore Health System.
Dr. Zhang's NPI, 1316101330, was assigned on July 18, 2008. Dr. Zhang holds New Hampshire license 19167.
- NPI
- 1316101330NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214115336
- NPI enumeration date
- July 18, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (781) 340-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Qiwei Zhang practices at South Shore Hospital in South Weymouth, Massachusetts
Dr. Zhang's primary practice is South Shore Hospital, at 55 Fogg Road, South Weymouth, MA 02190 in Norfolk County. The practice phone is (781) 340-8000.
- South Shore Hospital55 Fogg Road, South Weymouth, MA 02190 · Norfolk CountyPhone(781) 340-8000
Source: Dmand AI Affiliation Data
Dr. Qiwei Zhang is affiliated with 6 sites of care and 14 medical groups
Dr. Zhang's primary practice is South Shore Hospital in South Weymouth, Massachusetts, part of South Shore Health System. Dr. Zhang is also affiliated with Lahey Clinic. The medical group on file is Coastal Medical Associates. Dmand AI also links Dr. Zhang to 3 more hospitals, 13 medical groups and 1 group practice or clinic, 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. Qiwei Zhang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhang practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Shore Hospital | Available with a free account |
| +5 more sites and 13 medical groups | 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 South Shore Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Qiwei Zhang is one of 502 hospitalists in Massachusetts
Hospitalist is Dr. Zhang's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Zhang is licensed in New Hampshire.
Specialties and state licenses
- Hospitalist, New HampshirePrimary
Hospitalists near Dr. Zhang
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. Qiwei Zhang billed Medicare for 237 services in 2024
CMS data shows 237 Medicare services from Dr. Zhang across 2 procedure codes in 2024, for 266 Medicare patients. Medicare paid $33,527 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zhang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1822024: 23730%
Dr. Zhang compared with the Massachusetts median for hospitalists, 2024
- Dr. Zhang
- Massachusetts median
- Medicare services
- 237vs 46449% below
- Medicare patients
- 266vs 2535% above
Medians across 477 hospitalists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Zhang'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. Qiwei Zhang treated 266 Medicare patients in 2024, average age 78
CMS counts 266 Medicare patients who saw Dr. Zhang in 2024. The largest group is 75 to 84, with 107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.31, 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. Zhang's median patient age at 74, with 54% women.
Dr. Zhang's Medicare patients by age, 2024
Dr. Zhang's Medicare patients by sex, 2024
- Women15458%
- Men11242%
Chronic conditions among Dr. Zhang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Anxiety55%
- Ischemic heart disease52%
- Mood disorders51%
- Chronic kidney disease50%
- Depression47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zhang'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
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Qiwei Zhang wrote 47 Medicare Part D claims in 2024
In 2024, Dr. Zhang wrote 47 Medicare Part D claims for 24 patients. 89% of them were for generic drugs.
Dr. Zhang's Part D claims by kind of drug, 2024
- Generic42 claims89%
- Brand-name and other5 claims11%
Drug classes CMS tracks in Dr. Zhang's Part D claims, 2024
- Antibiotics30%14 of 47 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Qiwei Zhang takes part in Medicare
Dr. Zhang 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. Qiwei Zhang received $191 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Zhang from 1 drug or device company in 2016. Education make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $191.
Companies that paid Dr. Zhang the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Qiwei Zhang'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 (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) |
| 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. Qiwei Zhang
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. Qiwei Zhang's NPI number?
Dr. Qiwei Zhang's NPI number is 1316101330. It was assigned on July 18, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Qiwei Zhang?
Dr. Qiwei Zhang is a hospitalist in South Weymouth, Massachusetts. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Qiwei Zhang practice?
Dr. Zhang practices at 55 Fogg Road, South Weymouth, MA 02190. Dr. Zhang's primary practice is South Shore Hospital in South Weymouth, Massachusetts, part of South Shore Health System. Dmand AI also links Dr. Zhang to 3 hospitals, 13 medical groups and 1 group practice or clinic.
What is Dr. Qiwei Zhang's office phone number?
The practice phone on file for Dr. Zhang is (781) 340-8000.
What is Dr. Qiwei Zhang's medical license number?
Dr. Zhang holds New Hampshire license 19167.
Which hospitals is Dr. Qiwei Zhang affiliated with?
Dr. Zhang practices at South Shore Hospital in South Weymouth, Massachusetts. Dr. Zhang is also affiliated with Lahey Clinic. Dmand AI links Dr. Zhang to 3 more hospitals.
What medical group is Dr. Qiwei Zhang part of?
Dr. Zhang is linked to Coastal Medical Associates. Dmand AI links Dr. Zhang to 13 more medical groups.
Does Dr. Qiwei Zhang accept Medicare?
Yes. CMS data shows Dr. Zhang billed Medicare for 237 services in 2024, and Dr. Zhang accepts Medicare assignment.
How many Medicare patients does Dr. Qiwei Zhang see?
CMS counts 266 Medicare patients who saw Dr. Zhang in 2024, with an average age of 78.
What services does Dr. Qiwei Zhang bill to Medicare?
In 2024, Dr. Zhang's most billed Medicare services were hospital inpatient care (99223) and critical care (99291).
Has Dr. Qiwei Zhang received payments from drug or device companies?
CMS Open Payments shows $191 in general payments to Dr. Zhang from 1 company from 2016 to 2016. The largest total came from Boston Scientific Corporation.
How long has Dr. Qiwei Zhang been practicing?
Dr. Zhang graduated from medical school in 1994, 32 years ago.
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