Hongyu Zhang
- Medicare services, 2024
- 708
- Medicare patients, 2024
- 456
- Part D claims, 2024
- 170
- Hospital affiliations
- 6
- Industry payments
- $110
- Practice address
- 701 East Marshall Street, West Chester, PA 19380
- Practice phone
- Call (610) 431-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Hongyu Zhang's professional email, personal email and mobile number
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Hongyu Zhang is an internist in West Chester, Pennsylvania
Hongyu Zhang practices at Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania.
Hongyu Zhang's NPI, 1609280551, was assigned on June 19, 2014. Hongyu Zhang holds Delaware license C1-0012351.
- NPI
- 1609280551NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587986674
- NPI enumeration date
- June 19, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 431-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Hongyu Zhang practices at Chester County Hospital in West Chester, Pennsylvania
Hongyu Zhang's primary practice is Chester County Hospital, at 701 East Marshall Street, West Chester, PA 19380 in Chester County. The practice phone is (610) 431-5000.
- Chester County Hospital701 East Marshall Street, West Chester, PA 19380 · Chester CountyPhone(610) 431-5000
Source: Dmand AI Affiliation Data
Hongyu Zhang is affiliated with 6 sites of care and 8 medical groups
Hongyu Zhang's primary practice is Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania. Hongyu Zhang is also affiliated with Hospital of the University of Pennsylvania. The medical group on file is Tower Health Medical Group. Dmand AI also links Hongyu Zhang to 4 more hospitals and 7 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Hongyu Zhang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hongyu Zhang practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chester County Hospital | Available with a free account |
| +5 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Hongyu Zhang is one of 5,665 internists in Pennsylvania
Internal medicine is Hongyu Zhang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Hongyu Zhang is licensed in Delaware.
Specialties and state licenses
- Internal medicine, DelawarePrimary
Internists near Hongyu Zhang
Counts of internists 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
Hongyu Zhang billed Medicare for 708 services in 2024
CMS data shows 708 Medicare services from Hongyu Zhang across 6 procedure codes in 2024, for 456 Medicare patients. Medicare paid $70,192 for them. Every service was in a facility, such as a hospital, rather than an office.
Hongyu Zhang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7882024: 70810%
Hongyu Zhang compared with the Pennsylvania median for internists, 2024
- Hongyu Zhang
- Pennsylvania median
- Medicare services
- 708vs 41770% above
- Medicare patients
- 456vs 1852.5 times
- Part D claims
- 14vs 22494% below
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Hongyu 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
Hongyu Zhang treated 456 Medicare patients in 2024, average age 77
CMS counts 456 Medicare patients who saw Hongyu Zhang in 2024. The largest group is 75 to 84, with 169 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.32, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Hongyu Zhang's median patient age at 69, with 49% women.
Hongyu Zhang's Medicare patients by age, 2024
Hongyu Zhang's Medicare patients by sex, 2024
- Women24554%
- Men21146%
Chronic conditions among Hongyu Zhang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease56%
- Arthritis53%
- Chronic kidney disease47%
- Mood disorders47%
- Depression43%
- Anxiety41%
Share of Medicare patients with each condition. A patient can have several.
Hongyu 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 69
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Hongyu Zhang wrote 170 Medicare Part D claims in 2024
In 2024, Hongyu Zhang wrote 170 Medicare Part D claims for 71 patients. 92% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $55 in total drug cost. In 2023, CMS named 101 claims across 5 drugs.
Hongyu Zhang's Part D claims by kind of drug, 2024
- Generic156 claims92%
- Brand-name14 claims8%
Hongyu Zhang'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 Hongyu Zhang's Part D claims, 2024
- Antibiotics17%29 of 170 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: 1012024: 1486%
Drugs named by CMS: 1 in 2024, 5 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 Hongyu Zhang takes part in Medicare
Hongyu 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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Hongyu Zhang received $110 in industry payments from 2019 to 2023
CMS Open Payments shows 6 general payments to Hongyu Zhang from 5 drug and device companies from 2019 to 2023. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $42.
General payments to Hongyu Zhang by program year, 2019 to 2023
Companies that paid Hongyu Zhang the most, 2019 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Hongyu 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 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) |
| 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 Hongyu 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 Hongyu Zhang's NPI number?
Hongyu Zhang's NPI number is 1609280551. It was assigned on June 19, 2014, and it is active in the NPI Registry.
What does Hongyu Zhang specialize in?
Hongyu Zhang is an internist in West Chester, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Hongyu Zhang practice?
Hongyu Zhang practices at 701 East Marshall Street, West Chester, PA 19380. Hongyu Zhang's primary practice is Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania. Dmand AI also links Hongyu Zhang to 4 hospitals and 7 medical groups.
What is Hongyu Zhang's office phone number?
The practice phone on file for Hongyu Zhang is (610) 431-5000.
What is Hongyu Zhang's medical license number?
Hongyu Zhang holds Delaware license C1-0012351.
Which hospitals is Hongyu Zhang affiliated with?
Hongyu Zhang practices at Chester County Hospital in West Chester, Pennsylvania. Hongyu Zhang is also affiliated with Hospital of the University of Pennsylvania. Dmand AI links Hongyu Zhang to 4 more hospitals.
What medical group is Hongyu Zhang part of?
Hongyu Zhang is linked to Tower Health Medical Group. Dmand AI links Hongyu Zhang to 7 more medical groups.
Does Hongyu Zhang accept Medicare?
Yes. CMS data shows Hongyu Zhang billed Medicare for 708 services in 2024, and Hongyu Zhang accepts Medicare assignment.
How many Medicare patients does Hongyu Zhang see?
CMS counts 456 Medicare patients who saw Hongyu Zhang in 2024, with an average age of 77.
What services does Hongyu Zhang bill to Medicare?
In 2024, Hongyu Zhang's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99232) and hospital inpatient care (99233).
Show 3 more questionsShow fewer questions
What drugs does Hongyu Zhang prescribe most?
In 2024 Medicare Part D data, Hongyu Zhang's most prescribed drugs by claims were Lisinopril.
Has Hongyu Zhang received payments from drug or device companies?
CMS Open Payments shows $110 in general payments to Hongyu Zhang from 5 companies from 2019 to 2023. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Hongyu Zhang been practicing?
Hongyu Zhang graduated from medical school in 2002, 24 years ago.
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