NPPES file of Aug 9, 2026

Nadia M. Chammas-Aoun, M.D.

Internal Medicine Physician · Portsmouth, OH

Nadia M. Chammas-Aoun, M.D. is an internal medicine physician with a practice address in Portsmouth, Ohio, and NPI 1053553925, issued on Mar 24, 2009. Check the license (Ohio 35099804, as entered in NPPES) on the State Medical Board of Ohio; 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
1053553925
Name
Nadia M. Chammas-Aoun
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
35099804 OH
MD13435 RI
Self-reported in NPPES; status is on the state search
Practice location
1735 27TH St, Portsmouth, OH 45662
Phone
(740) 356-6891
Enumerated
Mar 24, 2009
Record last updated
Feb 10, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(740) 354-6774
Medicaid ID
0071675 OH
Medicare enrollment
Enrolled (PECOS I20121023000335); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1735 27TH St

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

  1. Kathy AdamsSurgical Technologist1407122369
  2. Maja Babic, MDInfectious Disease Physician1063673986
  3. Brandon Bomsta, DOEmergency Medicine Physician1538495106
  4. Joseph Bushek, DOEmergency Medicine Physician1952559486
  5. Bryan Carney, D.O.Emergency Medicine Physician1285987248
  6. Fred Courtney, DOObstetrics & Gynecology Physician1063661536

Verify Nadia M. Chammas-Aoun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35099804
    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 Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.7 times the Medicare Part D claims of the average internal medicine physician in 2024

11,739 Medicare Part D claims for 854 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 114 claims were for opioids.

  1. Nadia Chammas-Aoun11,739
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium677 claims
  2. Amlodipine Besylate510 claims
  3. Levothyroxine Sodium500 claims
  4. Losartan Potassium498 claims
  5. Rosuvastatin Calcium433 claims
  6. Lisinopril358 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.

Bills Medicare through one group practice

  1. Partners Physician GroupAkron, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nadia M. Chammas-Aoun among 5,277 internal medicine physician records in Ohio

Nadia M. Chammas-Aoun, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 56% of them.

  • NPI issued2009 · 56% of these records are older, 42% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1993 · median 2006 among the 3,414 with a school on file
  • Record last updated2015 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Ohio

There are 5,277 internal medicine physician records in Ohio.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ronald Arrick, M.D.Portsmouth, OH 456621104816859
  2. Praveena CoimbatorePortsmouth, OH 456621073930285
  3. George Esham, MDPortsmouth, OH 456621912995812
  4. John Gilbert, D OPortsmouth, OH 456621851381396
  5. Louise Hasell, MDNew Boston, OH 456621023076924
  6. Daniel Hudson, MDPortsmouth, OH 456621477086742
  7. Kevin Kammler, D.O.Portsmouth, OH 456621710977400
  8. Michael Martin, M.D.Portsmouth, OH 456621629170600

Common questions

What is Nadia M. Chammas-Aoun, M.D.'s NPI number?

Nadia M. Chammas-Aoun, M.D.'s National Provider Identifier (NPI) is 1053553925, issued on Mar 24, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Nadia M. Chammas-Aoun, M.D. located?

The NPPES record lists a practice address at 1735 27TH St, Portsmouth, OH, 45662. Phone: (740) 356-6891. Providers update this record themselves, so call before visiting.

How can I verify Nadia M. Chammas-Aoun, M.D.'s license?

NPPES lists Ohio license number 35099804, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nadia M. Chammas-Aoun, M.D. prescribe under Medicare Part D?

In 2024, Nadia M. Chammas-Aoun, M.D. had 11,739 Medicare Part D claims for 854 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.