Marie Arnaout, DO
NPI 1740779479 · Internal Medicine Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marie Arnaout, DO is a Internal Medicine Physician provider in Ann Arbor, MI (NPI 1740779479).
Provider details
- NPI number
- 1740779479
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 5101026749 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
149 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 69 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $127 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 14 | $130 |
Typical Medicare-allowed amounts for these services range $91–$130 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 83 | 28 |
| Atorvastatin Calcium | 82 | 29 |
| Lisinopril | 53 | 18 |
| Omeprazole | 43 | 14 |
| Amlodipine Besylate | 39 | 12 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 33 | — |
Practice location
Mailing address
Additional practice locations (1)
- 1000 Oakland DrKalamazoo, MI 49008-1282Phone: (269) 337-6345Fax: (269) 337-6222
Registry dates
- Enumerated
- 2018-05-08
- Last updated
- 2025-08-18
- Certified
- 2025-08-18
Frequently asked questions
- What is Marie Arnaout's NPI number?
- Marie Arnaout's National Provider Identifier (NPI) is 1740779479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Arnaout's specialty?
- Marie Arnaout is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marie Arnaout located?
- Marie Arnaout's practice location on file with NPPES is 4350 Jackson Rd Ste 200, Ann Arbor, MI 48103-1889.
- What is Marie Arnaout's phone number?
- The practice phone number listed in the NPPES registry for Marie Arnaout is (734) 761-2581.
- Does Marie Arnaout accept Medicare?
- Marie Arnaout is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marie Arnaout's NPI active?
- Yes — Marie Arnaout's NPI (1740779479) is active in the NPPES registry as of the last update on 2025-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.