Mark Chorebanian, MD
NPI 1003860842 · Internal Medicine Physician · Lake Havasu City, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Chorebanian, MD is a Internal Medicine Physician provider in Lake Havasu City, AZ (NPI 1003860842).
Provider details
- NPI number
- 1003860842
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 20398 (AZ)
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 tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 42 | — |
| Atorvastatin Calcium | 39 | 11 |
| Ondansetronbrand: Ondansetron Odt | 26 | 18 |
| Metformin Hcl | 26 | — |
| Levothyroxine Sodium | 24 | 11 |
| Cyclobenzaprine Hcl | 23 | — |
| Progesterone, Micronizedbrand: Progesterone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$122 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2025-09-11
Frequently asked questions
- What is Mark Chorebanian's NPI number?
- Mark Chorebanian's National Provider Identifier (NPI) is 1003860842, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chorebanian's specialty?
- Mark Chorebanian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Chorebanian located?
- Mark Chorebanian's practice location on file with NPPES is 101 Civic Center Ln, Lake Havasu City, AZ 86403-5607.
- What is Mark Chorebanian's phone number?
- The practice phone number listed in the NPPES registry for Mark Chorebanian is (928) 453-0174.
- Does Mark Chorebanian accept Medicare?
- Mark Chorebanian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Chorebanian's NPI active?
- Yes — Mark Chorebanian's NPI (1003860842) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.