Nadia Chammas-Aoun, M.D.
NPI 1053553925 · Internal Medicine Physician · Portsmouth, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nadia Chammas-Aoun, M.D. is a Internal Medicine Physician provider in Portsmouth, OH (NPI 1053553925).
Provider details
- NPI number
- 1053553925
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD13435 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,006 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 264 | $82 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 219 | $51 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 171 | $37 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 98 | $16 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 71 | $17 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 152 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 677 | 202 |
| Amlodipine Besylate | 510 | 144 |
| Levothyroxine Sodium | 500 | 138 |
| Losartan Potassium | 498 | 149 |
| Rosuvastatin Calcium | 433 | 147 |
| Lisinopril | 358 | 101 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-03-24
- Last updated
- 2015-02-10
Frequently asked questions
- What is Nadia Chammas-Aoun's NPI number?
- Nadia Chammas-Aoun's National Provider Identifier (NPI) is 1053553925, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nadia Chammas-Aoun's specialty?
- Nadia Chammas-Aoun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nadia Chammas-Aoun located?
- Nadia Chammas-Aoun's practice location on file with NPPES is 1735 27th St, Portsmouth, OH 45662-2677.
- What is Nadia Chammas-Aoun's phone number?
- The practice phone number listed in the NPPES registry for Nadia Chammas-Aoun is (740) 356-6891.
- Does Nadia Chammas-Aoun accept Medicare?
- Nadia Chammas-Aoun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nadia Chammas-Aoun's NPI active?
- Yes — Nadia Chammas-Aoun's NPI (1053553925) is active in the NPPES registry as of the last update on 2015-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.