Quick answers
- Which hospitals does Marcelo E. Nasif work at?
- Medicare's official clinician data lists Marcelo E. Nasif at 1 hospital: Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marcelo E. Nasif see patients?
- Medicare's clinician data lists 3 practice locations, including Tucson, AZ. Call before your visit to confirm the address.
- What is Marcelo E. Nasif's specialty?
- Medicare lists Infectious Disease as the primary specialty.
- Does Marcelo E. Nasif accept Medicare assignment?
- Yes. Medicare's clinician data says Marcelo E. Nasif accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Marcelo E. Nasif offer telehealth?
- Medicare's clinician data says Marcelo E. Nasif offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marcelo E. Nasif?
- (520) 750-7255, as listed in official Medicare / NPI Registry data.
- What is Marcelo E. Nasif's NPI number?
- 1912936907. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marcelo E. Nasif works
Medicare's Facility Affiliation Data lists Marcelo E. Nasif at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Tucson Medical CenterTucson, AZ · Acute Care Hospital · CCN 030006
Practice locations
Addresses where Marcelo E. Nasif is enrolled with Medicare (CMS data updated 2026-10-02).
- 4539 E Fort Lowell RdTucson, AZ 85712 (520) 750‑7255
- 5301 E Grant RdTucson, AZ 85712 (520) 324‑2308
- 603 N Wilmot Rd, Suite 151Tucson, AZ 85711 (520) 420‑2560
Group practices
Medicare enrollment lists Marcelo E. Nasif as a member of these groups (CMS data updated 2026-10-02).
- TMC Medical Network281 clinicians in the group
- Tmcone96 clinicians in the group
- Arizona Community Surgeons, PC14 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Tucson
Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1912936907 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians