NPPES file of Aug 9, 2026

Marcelo Eduardo Nasif, M.D.

Infectious Disease Physician · Tucson, AZ

Marcelo Eduardo Nasif, M.D. is an infectious disease physician with a practice address in Tucson, Arizona, and NPI 1912936907, issued on Jul 2, 2006. Check the license (Arizona 29596, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912936907
Name
Marcelo Eduardo Nasif
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
29596 AZ
Self-reported in NPPES; status is on the state search
Practice location
5230 E Farness Dr, Tucson, AZ 85712
Phone
(520) 318-9681
Enumerated
Jul 2, 2006
Record last updated
Apr 16, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(520) 325-6774
Medicaid ID
636566 AZ
Medicare enrollment
Enrolled (PECOS I20051031000127); 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 5230 E Farness Dr

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

  1. Angela Curry, FNPNurse Practitioner1699161406
  2. Clifford Martin, MDInfectious Disease Physician1760429864
  3. Steven Oscherwitz, MDInfectious Disease Physician1336113539
  4. Laura Valdivia, M.D.Infectious Disease Physician1346286275
  5. Eric Whitacre, MDSurgery Physician1235239146

Verify Marcelo Eduardo Nasif in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 29596
    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 Arizona 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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74% fewer Medicare Part D claims than the average infectious disease physician in 2024

180 Medicare Part D claims for 40 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Marcelo Nasif180
  2. Specialty average689

Most prescribed

  1. Cefazolin Sodium39 claims
  2. Daptomycin35 claims
  3. Ceftriaxone24 claims
  4. Vancomycin Hcl24 claims
  5. Cefepime Hcl14 claims
  6. Meropenem12 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 83.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score71.7
  2. Costout of 100 · 30%72.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Arizona Community Surgeons, PCTucson, AZ
  2. Tmc Medical NetworkTucson, AZ

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

Infectious Disease Physician providers in Arizona

There are 176 infectious disease physician records in Arizona.

Other infectious disease physician records in Arizona

  1. Ali Abdulsahib, MDScottsdale, AZ1417535030
  2. Maheen Abidi, M.D.Scottsdale, AZ1831103167
  3. Rodney Adam, MDTucson, AZ1548249485
  4. Matthew Adams, D.O.Tucson, AZ1578941720
  5. Abaseen Afghan, M.D.Tucson, AZ1952784787
  6. Ahmad Ahmad Salameh, M.B.B.SAvondale, AZ1548574320
  7. Elwaleed Ahmed, M.DPhoenix, AZ1295937068
  8. Jad Akl, MDPhoenix, AZ1043134844
  9. Ahmad Aldeiri, MDScottsdale, AZ1063725174
  10. Maria Alexov, M.D.Mesa, AZ1952361271

Common questions

What is Marcelo Eduardo Nasif, M.D.'s NPI number?

Marcelo Eduardo Nasif, M.D.'s National Provider Identifier (NPI) is 1912936907, issued on Jul 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marcelo Eduardo Nasif, M.D. located?

The NPPES record lists a practice address at 5230 E Farness Dr, Tucson, AZ, 85712. Phone: (520) 318-9681. Providers update this record themselves, so call before visiting.

How can I verify Marcelo Eduardo Nasif, M.D.'s license?

NPPES lists Arizona license number 29596, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marcelo Eduardo Nasif, M.D. prescribe under Medicare Part D?

In 2024, Marcelo Eduardo Nasif, M.D. had 180 Medicare Part D claims for 40 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Marcelo Eduardo Nasif, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.