Athanasios Oliver Melisiotis, MD
Emergency Medicine Physician · Philadelphia, PA
Athanasios Oliver Melisiotis, MD is an emergency medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1891955589, issued on Jun 16, 2008. Check the license (Pennsylvania MD438851, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Athanasios Oliver Melisiotis
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD438851 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce Street, Philadelphia, PA 19104
- Phone
- (215) 662-6698
- Enumerated
- Jun 16, 2008
- Record last updated
- Dec 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (215) 662-3953
- Medicare enrollment
- Enrolled (PECOS I20100827000442); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Abbuhl, MDEmergency Medicine Physician1649215195
- Shahrzad Abdollahi, M.D.Rheumatology Physician1518494178
- Sarah Abdulla, MDVascular & Interventional Radiology Physician1427342336
- Alice Abernathy, MDObstetrics & Gynecology Physician1740711498
- Mariam Aboian, M.D., PH.D.Diagnostic Radiology Physician1356669386
- Samir Abu Gazala, M.D.Surgery Physician1750708251
Verify Athanasios Oliver Melisiotis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD438851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average emergency medicine physician in 2024
33 Medicare Part D claims for 27 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Athanasios Oliver Melisiotis among 3,911 emergency medicine physician records in Pennsylvania
Athanasios Oliver Melisiotis, MD is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 38% of them.
- NPI issued2008 · 38% of these records are older, 57% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2007 · median 2013 among the 2,231 with a school on file
- Record last updated2019 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,006 emergency medicine physician records list a practice address in Philadelphia
They are 1,006 of the 42,849 NPPES records with a practice address in Philadelphia, and 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Philadelphia → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- William Baxt, MDPhiladelphia, PA 191041477592970
- Aaron Chen, MDPhiladelphia, PA 191041871533455
- Elizabeth Datner, MDPhiladelphia, PA 191041487601365
- Francis De Roos, MDPhiladelphia, PA 191041285681148
- Anthony Dean, MDPhiladelphia, PA 191041508805318
- Edward Dickinson, MDPhiladelphia, PA 191041003855529
- C MechemPhiladelphia, PA 191041548200538
- Zachary Meisel, MDPhiladelphia, PA 191041013919935
Common questions
What is Athanasios Oliver Melisiotis, MD's NPI number?
Athanasios Oliver Melisiotis, MD's National Provider Identifier (NPI) is 1891955589, issued on Jun 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Athanasios Oliver Melisiotis, MD located?
The NPPES record lists a practice address at 3400 Spruce Street, Philadelphia, PA, 19104. Phone: (215) 662-6698. Providers update this record themselves, so call before visiting.
How can I verify Athanasios Oliver Melisiotis, MD's license?
NPPES lists Pennsylvania license number MD438851, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Athanasios Oliver Melisiotis, MD prescribe under Medicare Part D?
In 2024, Athanasios Oliver Melisiotis, MD had 33 Medicare Part D claims for 27 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.