Dr. Ruo-Dan Zhang, MD
- Medicare services, 2024
- 1,063
- Medicare patients, 2024
- 346
- Part D claims, 2020
- 11
- Hospital affiliations
- 4
- Industry payments
- $25
- Practice address
- 532 West Pittsburgh Street, Greensburg, PA 15601
- Practice phone
- Call (724) 832-4000
- 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
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. Ruo-Dan Zhang is a pathologist in Greensburg, Pennsylvania
Dr. Zhang practices at Westmoreland Hospital in Greensburg, Pennsylvania, part of West Virginia University Health System.
Dr. Zhang's NPI, 1437369659, was assigned on May 23, 2007. Dr. Zhang holds Pennsylvania license MD431464.
- NPI
- 1437369659NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416041538
- NPI enumeration date
- May 23, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (724) 832-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ruo-Dan Zhang practices at Westmoreland Hospital in Greensburg, Pennsylvania
Dr. Zhang's primary practice is Westmoreland Hospital, at 532 West Pittsburgh Street, Greensburg, PA 15601 in Westmoreland County. The practice phone is (724) 832-4000.
- Westmoreland Hospital532 West Pittsburgh Street, Greensburg, PA 15601 · Westmoreland CountyPhone(724) 832-4000
Source: Dmand AI Affiliation Data
Dr. Ruo-Dan Zhang is affiliated with 4 sites of care and 1 medical group
Dr. Zhang's primary practice is Westmoreland Hospital in Greensburg, Pennsylvania, part of West Virginia University Health System. Dr. Zhang is also affiliated with UPMC Magee-Womens Hospital. The medical group on file is Unity Pathology Associates. Dmand AI also links Dr. Zhang to 2 more hospitals, 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. Ruo-Dan Zhang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westmoreland Hospital | Available with a free account |
| +3 more affiliated sites | 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 West Virginia University Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ruo-Dan Zhang is one of 428 pathologists in Pennsylvania
Anatomic pathology and clinical pathology is Dr. Zhang's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Zhang is licensed in Pennsylvania.
Specialties and state licenses
- Anatomic pathology and clinical pathology, PennsylvaniaPrimary
Pathologists near Dr. Zhang
Counts of pathologists 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. Ruo-Dan Zhang billed Medicare for 1,063 services in 2024
CMS data shows 1,063 Medicare services from Dr. Zhang across 9 procedure codes in 2024, for 346 Medicare patients. Medicare paid $26,959 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
- Lab and pathology
- 2023: 8372024: 1,06327%
Dr. Zhang compared with the Pennsylvania median for pathologists, 2024
- Dr. Zhang
- Pennsylvania median
- Medicare services
- 1,063vs 1,30018% below
- Medicare patients
- 346vs 53936% below
- Part D claims
- 11vs 128% below
Medians across 464 pathologists in Pennsylvania 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.
Need commercial claims for Dr. Zhang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zhang and other pathologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ruo-Dan Zhang treated 346 Medicare patients in 2024, average age 73
CMS counts 346 Medicare patients who saw Dr. Zhang in 2024. The largest group is 65 to 74, with 201 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.50, 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 59, with 59% women.
Dr. Zhang's Medicare patients by age, 2024
Dr. Zhang's Medicare patients by sex, 2024
- Women18854%
- Men15846%
Chronic conditions among Dr. Zhang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Ischemic heart disease37%
- Diabetes32%
- Anxiety31%
- Chronic kidney disease28%
- Cancer27%
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 59
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ruo-Dan Zhang wrote 11 Medicare Part D claims in 2020
In 2020, Dr. Zhang wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $63 in total drug cost.
Dr. Zhang's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Ruo-Dan 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ruo-Dan Zhang received $25 in industry payments from 2016 to 2022
CMS Open Payments shows 2 general payments to Dr. Zhang from 2 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Roche Diagnostics Corporation paid the most, $13.
General payments to Dr. Zhang by program year, 2016 to 2022
Companies that paid Dr. Zhang the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ruo-Dan 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) |
| 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. Ruo-Dan 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. Ruo-Dan Zhang's NPI number?
Dr. Ruo-Dan Zhang's NPI number is 1437369659. It was assigned on May 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ruo-Dan Zhang?
Dr. Ruo-Dan Zhang is a pathologist in Greensburg, Pennsylvania. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Ruo-Dan Zhang practice?
Dr. Zhang practices at 532 West Pittsburgh Street, Greensburg, PA 15601. Dr. Zhang's primary practice is Westmoreland Hospital in Greensburg, Pennsylvania, part of West Virginia University Health System. Dmand AI also links Dr. Zhang to 2 hospitals.
What is Dr. Ruo-Dan Zhang's office phone number?
The practice phone on file for Dr. Zhang is (724) 832-4000.
What is Dr. Ruo-Dan Zhang's medical license number?
Dr. Zhang holds Pennsylvania license MD431464.
Which hospitals is Dr. Ruo-Dan Zhang affiliated with?
Dr. Zhang practices at Westmoreland Hospital in Greensburg, Pennsylvania. Dr. Zhang is also affiliated with UPMC Magee-Womens Hospital. Dmand AI links Dr. Zhang to 2 more hospitals.
What medical group is Dr. Ruo-Dan Zhang part of?
Dr. Zhang is linked to Unity Pathology Associates.
Does Dr. Ruo-Dan Zhang accept Medicare?
Yes. CMS data shows Dr. Zhang billed Medicare for 1,063 services in 2024, and Dr. Zhang accepts Medicare assignment.
How many Medicare patients does Dr. Ruo-Dan Zhang see?
CMS counts 346 Medicare patients who saw Dr. Zhang in 2024, with an average age of 73.
What services does Dr. Ruo-Dan Zhang bill to Medicare?
In 2024, Dr. Zhang's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88342).
Show 3 more questionsShow fewer questions
What drugs does Dr. Ruo-Dan Zhang prescribe most?
In 2020 Medicare Part D data, Dr. Zhang's most prescribed drugs by claims were Prednisone.
Has Dr. Ruo-Dan Zhang received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Dr. Zhang from 2 companies from 2016 to 2022. The largest total came from Roche Diagnostics Corporation.
How long has Dr. Ruo-Dan Zhang been practicing?
Dr. Zhang graduated from medical school in 1983, 43 years ago.
Selling to anatomic pathology and clinical pathology practices?
See pathologists in Pennsylvania by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card