Dr. Maria Vasiliadis, DO
- Medicare services, 2024
- 1,224
- Medicare patients, 2024
- 519
- Part D claims, 2024
- 325
- Hospital affiliations
- 3
- Industry payments
- $278
- 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 Dr. Vasiliadis' 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. Maria Vasiliadis is an internist in West Chester, Pennsylvania
Dr. Vasiliadis practices at Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania.
Dr. Vasiliadis' NPI, 1528221462, was assigned on July 9, 2008. Dr. Vasiliadis graduated from Lake Erie College of Osteopathic Medicine, Erie in 2008. Dr. Vasiliadis holds Pennsylvania license OS015540.
- NPI
- 1528221462NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668650557
- NPI enumeration date
- July 9, 2008
- 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
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria Vasiliadis practices at Chester County Hospital in West Chester, Pennsylvania
Dr. Vasiliadis' 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
Dr. Maria Vasiliadis is affiliated with 4 sites of care and 2 medical groups
Dr. Vasiliadis' primary practice is Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania. Dr. Vasiliadis is also affiliated with Hospital of the University of Pennsylvania. The medical group on file is Clinical Care Associates (CCA), Penn Medicine. Dmand AI also links Dr. Vasiliadis to 1 more hospital, 1 home health agency 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. Maria Vasiliadis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vasiliadis practices, 4 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 |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maria Vasiliadis is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Vasiliadis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Vasiliadis is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Vasiliadis
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
Dr. Maria Vasiliadis billed Medicare for 1,224 services in 2024
CMS data shows 1,224 Medicare services from Dr. Vasiliadis across 7 procedure codes in 2024, for 519 Medicare patients. Medicare paid $89,231 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Vasiliadis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3092024: 1,2246%
Dr. Vasiliadis compared with the Pennsylvania median for internists, 2024
- Dr. Vasiliadis
- Pennsylvania median
- Medicare services
- 1,224vs 4172.9 times
- Medicare patients
- 519vs 1852.8 times
- Part D claims
- 95vs 22458% below
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Vasiliadis' 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. Vasiliadis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vasiliadis and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maria Vasiliadis treated 519 Medicare patients in 2024, average age 77
CMS counts 519 Medicare patients who saw Dr. Vasiliadis in 2024. The largest group is 75 to 84, with 203 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% 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. Vasiliadis' median patient age at 71, with 48% women.
Dr. Vasiliadis' Medicare patients by age, 2024
Dr. Vasiliadis' Medicare patients by sex, 2024
- Women27252%
- Men24748%
Chronic conditions among Dr. Vasiliadis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease59%
- Arthritis53%
- Mood disorders47%
- Anxiety46%
- Chronic kidney disease46%
- Depression43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vasiliadis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maria Vasiliadis wrote 325 Medicare Part D claims in 2024
In 2024, Dr. Vasiliadis wrote 325 Medicare Part D claims for 153 patients. 90% of them were for generic drugs. CMS names the drug for 95 of them, across 6 drugs with 11 or more claims each, at $1,483 in total drug cost. In 2023, CMS named 194 claims across 11 drugs.
Dr. Vasiliadis' Part D claims by kind of drug, 2024
- Generic291 claims90%
- Brand-name34 claims10%
Dr. Vasiliadis' 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. Vasiliadis' Part D claims, 2024
- Antibiotics19%61 of 325 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: 1942024: 9551%
Drugs named by CMS: 6 in 2024, 11 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. Maria Vasiliadis takes part in Medicare
Dr. Vasiliadis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Maria Vasiliadis received $278 in industry payments from 2016 to 2023
CMS Open Payments shows 11 general payments to Dr. Vasiliadis from 7 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $171.
General payments to Dr. Vasiliadis by program year, 2016 to 2023
Companies that paid Dr. Vasiliadis the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maria Vasiliadis graduated from Lake Erie College of Osteopathic Medicine, Erie
Dr. Vasiliadis graduated from Lake Erie College of Osteopathic Medicine, Erie in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Maria Vasiliadis'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)Doctors and Clinicians Utilization Data (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. Maria Vasiliadis
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. Maria Vasiliadis' NPI number?
Dr. Maria Vasiliadis' NPI number is 1528221462. It was assigned on July 9, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria Vasiliadis?
Dr. Maria Vasiliadis is an internist in West Chester, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Maria Vasiliadis practice?
Dr. Vasiliadis practices at 701 East Marshall Street, West Chester, PA 19380. Dr. Vasiliadis' primary practice is Chester County Hospital in West Chester, Pennsylvania, part of University of Pennsylvania. Dmand AI also links Dr. Vasiliadis to 1 hospital, 1 home health agency and 1 medical group.
What is Dr. Maria Vasiliadis' office phone number?
The practice phone on file for Dr. Vasiliadis is (610) 431-5000.
What is Dr. Maria Vasiliadis' medical license number?
Dr. Vasiliadis holds Pennsylvania license OS015540.
Which hospitals is Dr. Maria Vasiliadis affiliated with?
Dr. Vasiliadis practices at Chester County Hospital in West Chester, Pennsylvania. Dr. Vasiliadis is also affiliated with Hospital of the University of Pennsylvania. Dmand AI links Dr. Vasiliadis to 1 more hospital.
What medical group is Dr. Maria Vasiliadis part of?
Dr. Vasiliadis is linked to Clinical Care Associates (CCA), Penn Medicine. Dmand AI links Dr. Vasiliadis to 1 more medical group.
Does Dr. Maria Vasiliadis accept Medicare?
Yes. CMS data shows Dr. Vasiliadis billed Medicare for 1,224 services in 2024, and Dr. Vasiliadis accepts Medicare assignment.
How many Medicare patients does Dr. Maria Vasiliadis see?
CMS counts 519 Medicare patients who saw Dr. Vasiliadis in 2024, with an average age of 77.
What services does Dr. Maria Vasiliadis bill to Medicare?
In 2024, Dr. Vasiliadis' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99233).
Show 4 more questionsShow fewer questions
Where did Dr. Maria Vasiliadis go to medical school?
Dr. Vasiliadis graduated from Lake Erie College of Osteopathic Medicine, Erie in 2008.
What drugs does Dr. Maria Vasiliadis prescribe most?
In 2024 Medicare Part D data, Dr. Vasiliadis' most prescribed drugs by claims were Furosemide, Cefpodoxime Proxetil and Lansoprazole.
Has Dr. Maria Vasiliadis received payments from drug or device companies?
CMS Open Payments shows $278 in general payments to Dr. Vasiliadis from 7 companies from 2016 to 2023. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Maria Vasiliadis been practicing?
Dr. Vasiliadis graduated from medical school in 2008, 18 years ago.
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