Maria Antoniou, MD
Sleep Medicine (Internal Medicine) Physician · Philadelphia, PA
Maria Antoniou, MD is a sleep medicine (internal medicine) physician with a practice address in Philadelphia, Pennsylvania, and NPI 1689600504, issued on Jun 23, 2006. Check the license (Pennsylvania MD064082L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Maria Antoniou
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- MD064082L PA
Self-reported in NPPES; status is on the state search - Practice location
- 3624 Market St, Philadelphia, PA 19104
- Phone
- (215) 662-7772
- Enumerated
- Jun 23, 2006
- Record last updated
- Oct 7, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 001740288001 PA
- Medicare enrollment
- Enrolled (PECOS I20050525000969); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 58 in Pennsylvania → Look up another NPI →
Also registered at 3624 Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ron Anafi, MDSleep Medicine (Internal Medicine) Physician1548324080
- Janice Biddle, CRNPAdult Health Nurse Practitioner1851596985
- Hsiu-Hui Chen, PH.D.Counseling Psychologist1790132918
- Lisa Felkins, MSNFamily Nurse Practitioner1427304252
- Barry Fields, MDSleep Medicine (Internal Medicine) Physician1104000314
- Jenie George, M.D.Neurology Physician1760725089
Verify Maria Antoniou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD064082LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
214 Medicare Part D claims for 40 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Zolpidem Tartrate38 claims
- Gabapentin37 claims
- Clonazepam28 claims
- Eszopiclone20 claims
- Armodafinil16 claims
- Zolpidem Tartrate Er15 claims
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $137.64
1 payment: food and beverage; the largest payer was Philips North America LLC. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Penn - Medical GroupMalvern, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Antoniou among 58 sleep medicine (internal medicine) physician records in Pennsylvania
Maria Antoniou, MD is one of 58 sleep medicine (internal medicine) physician records with a practice address in Pennsylvania. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 62% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1992 · median 2004 among the 43 with a school on file
- Record last updated2013 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in Pennsylvania
There are 58 sleep medicine (internal medicine) physician records in Pennsylvania.
All 58 in Pennsylvania → Every provider in Philadelphia → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Ron Anafi, MDPhiladelphia, PA 191041548324080
- Belen Esparis, MDPhiladelphia, PA 191041740215979
- Barry Fields, MDPhiladelphia, PA 191041104000314
- Nalaka Gooneratne, MDPhiladelphia, PA 191041235170663
- Indira Gurubhagavatula, M.D.Philadelphia, PA 191041366455966
- Jorge Mora, M.D.Philadelphia, PA 191041720167257
- Dafna Ofer, MDPhiladelphia, PA 191041760697601
- Allan Pack, MBCHB, PHDPhiladelphia, PA 191041568555241
Common questions
What is Maria Antoniou, MD's NPI number?
Maria Antoniou, MD's National Provider Identifier (NPI) is 1689600504, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Antoniou, MD located?
The NPPES record lists a practice address at 3624 Market St, Philadelphia, PA, 19104. Phone: (215) 662-7772. Providers update this record themselves, so call before visiting.
How can I verify Maria Antoniou, MD's license?
NPPES lists Pennsylvania license number MD064082L, 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 Maria Antoniou, MD prescribe under Medicare Part D?
In 2024, Maria Antoniou, MD had 214 Medicare Part D claims for 40 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.
What is Maria Antoniou, MD's MIPS final score?
The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.