NPPES file of Aug 9, 2026

Serene Musallam, M.D.

Geriatric Medicine (Internal Medicine) Physician · Phoenix, AZ

Serene Musallam, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Phoenix, Arizona, and NPI 1184208241, issued on May 5, 2021. Check the license (Arizona R78770, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184208241
Name
Serene Musallam
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
R78770 AZ
Self-reported in NPPES; status is on the state search
Practice location
1111 E Mcdowell RD, Phoenix, AZ 85006
Phone
(510) 368-1229
Enumerated
May 5, 2021
Record last updated
Jun 3, 2025
Medicare enrollment
Enrolled (PECOS I20250710004145); accepts Medicare assignment
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 1111 E Mcdowell RD

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

  1. Hamed Abbaszadegan, MDInternal Medicine Physician1407083579
  2. Elissa Abbruscato, MDInternal Medicine Physician1356603021
  3. Mohamed Abdelhabib, MDPulmonary Disease Physician1184287161
  4. Anurag Adhikari, M.D.Geriatric Medicine (Internal Medicine) Physician1861137952
  5. Nathanael Adjei, M.D.Internal Medicine Physician1134651896
  6. Nimit Agarwal, MDInternal Medicine Physician1811155245

Verify Serene Musallam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license R78770
    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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98% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

103 Medicare Part D claims for 52 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.

  1. Serene Musallam103
  2. Specialty average4,246

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.

Bills Medicare through one group practice

  1. Banner - University Hospital Based Physicians LLCPhoenix, AZ

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

Serene Musallam among 65 geriatric medicine (internal medicine) physician records in Arizona

Serene Musallam, M.D. is one of 65 geriatric medicine (internal medicine) physician records with a practice address in Arizona. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 94% of them.

  • NPI issued2021 · 94% of these records are older, 5% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2020 · median 1998 among the 27 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Arizona

There are 65 geriatric medicine (internal medicine) physician records in Arizona.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Anurag Adhikari, M.D.Phoenix, AZ 850061861137952
  2. Raehan Ahmed, DOPhoenix, AZ 850061821787177
  3. Gary Salzman, MDPhoenix, AZ 850061235195496
  4. Anil Nanda, MDPhoenix, AZ 850081043267743
  5. Leslie Dunn, DOPhoenix, AZ 850121689759557
  6. Venu Gopal, MDPhoenix, AZ 850121003853912
  7. Talissa Adkison, M.DPhoenix, AZ 850141114040862
  8. Maria Bellantoni, MDPhoenix, AZ 850161689162307

Common questions

What is Serene Musallam, M.D.'s NPI number?

Serene Musallam, M.D.'s National Provider Identifier (NPI) is 1184208241, issued on May 5, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Serene Musallam, M.D. located?

The NPPES record lists a practice address at 1111 E Mcdowell RD, Phoenix, AZ, 85006. Phone: (510) 368-1229. Providers update this record themselves, so call before visiting.

How can I verify Serene Musallam, M.D.'s license?

NPPES lists Arizona license number R78770, 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 Serene Musallam, M.D. prescribe under Medicare Part D?

In 2024, Serene Musallam, M.D. had 103 Medicare Part D claims for 52 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.

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.