NPPES file of Aug 9, 2026

Christopher A. Maroun, MD

Otolaryngology Physician · Baltimore, MD

Christopher A. Maroun, MD is an otolaryngology physician with a practice address in Baltimore, Maryland, and NPI 1619505815, issued on Apr 1, 2020. Check the license (Maryland D95605, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619505815
Name
Christopher A. Maroun
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
D95605 MD
Self-reported in NPPES; status is on the state search
Practice location
1800 Orleans St, Baltimore, MD 21287
Phone
(978) 770-8417
Enumerated
Apr 1, 2020
Record last updated
May 4, 2026
Medicare enrollment
Enrolled (PECOS I20260514001637); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1800 Orleans St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kara AbarcarEmergency Medicine Physician1285195123
  2. Catherine Abbot, CRNPStudent in an Organized Health Care Education/Training Program1942093810
  3. Ahamed Akmal Abdul Rahman Lebbe, MDStudent in an Organized Health Care Education/Training Program1255208427
  4. Arielle AbovichStudent in an Organized Health Care Education/Training Program1972122703
  5. Luis Acosta, MDStudent in an Organized Health Care Education/Training Program1922859537
  6. Nihmotallahi Adebayo, MDStudent in an Organized Health Care Education/Training Program1033058334

Verify Christopher A. Maroun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D95605
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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86% fewer Medicare Part D claims than the average otolaryngology physician in 2024

77 Medicare Part D claims for 40 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Christopher Maroun77
  2. Specialty average541

Most prescribed

  1. Oxycodone Hcl21 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.

Industry payments in 2024: $1,014.46

10 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Maroun$1,014.46
  2. Specialty average$1,922.50

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Christopher A. Maroun among 257 otolaryngology physician records in Maryland

Christopher A. Maroun, MD is one of 257 otolaryngology physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 95% of them.

  • NPI issued2020 · 95% of these records are older, 3% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2018 · median 2004 among the 166 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Maryland

There are 257 otolaryngology physician records in Maryland.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Lee Akst, MDBaltimore, MD 212871508840299
  2. Simon Best, M.D.Baltimore, MD 212871578602603
  3. Nasir Bhatti, M.D.Baltimore, MD 212871679539753
  4. Derek Boahene, M.D.Baltimore, MD 212871841256526
  5. John Carey, M.D.Baltimore, MD 212871417915786
  6. Charles Cummings, M.D.Baltimore, MD 212871114962008
  7. Charles Della Santina, M.D.Baltimore, MD 212871497790059
  8. David Eisele, MDBaltimore, MD 212871023073749

Common questions

What is Christopher A. Maroun, MD's NPI number?

Christopher A. Maroun, MD's National Provider Identifier (NPI) is 1619505815, issued on Apr 1, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Christopher A. Maroun, MD located?

The NPPES record lists a practice address at 1800 Orleans St, Baltimore, MD, 21287. Phone: (978) 770-8417. Providers update this record themselves, so call before visiting.

How can I verify Christopher A. Maroun, MD's license?

NPPES lists Maryland license number D95605, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher A. Maroun, MD prescribe under Medicare Part D?

In 2024, Christopher A. Maroun, MD had 77 Medicare Part D claims for 40 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.