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Dr. Ossama Mohammed Maher, MD
NPI1245663087PAC ID2466720891
- Part D claims, 2024
- 13
- Publications
- 31
- Hospital affiliations
- 2
- Industry payments
- $6,480
- Medical groups
- 2
- Practice address
- 3100 Sw 62nd Ave, Miami, FL 33155
- Practice phone
- Call (305) 666-6511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Maher's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ossama Mohammed Maher is a pediatric hematology and oncology physician in Miami, Florida
Dr. Maher practices at Nicklaus Children's Hospital in Miami, Florida, part of Nicklaus Children's Health System.
Dr. Maher's NPI, 1245663087, was assigned on August 15, 2013. Dr. Maher graduated from Cairo University School of Medicine in 1999. Dr. Maher holds Florida license ME131868.
NPI and contact details
- NPI
- 1245663087NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466720891
- NPI enumeration date
- August 15, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (305) 666-6511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ossama Mohammed Maher practices at Nicklaus Children's Hospital in Miami, Florida
Dr. Maher's primary practice is Nicklaus Children's Hospital, at 3100 Sw 62nd Ave, Miami, FL 33155 in Miami-Dade County. The practice phone is (305) 666-6511.
- Nicklaus Children's Hospital3100 Sw 62nd Ave, Miami, FL 33155 · Miami-Dade CountyPhone(305) 666-6511
Source: Dmand AI Affiliation Data
Dr. Ossama Mohammed Maher is affiliated with 3 sites of care and 2 medical groups
Dr. Maher's primary practice is Nicklaus Children's Hospital in Miami, Florida, part of Nicklaus Children's Health System. Dr. Maher is also affiliated with Saint Francis Hospital. The medical group on file is KIDZ Medical Services. Dmand AI also links Dr. Maher to 1 more dialysis center and 1 medical group, each named with a free account.
Saint Francis HospitalKIDZ Medical Services1 dialysis centerName with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. MaherSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ossama Mohammed Maher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maher practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nicklaus Children's Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Maher practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Nicklaus Children's Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ossama Mohammed Maher is one of 152 pediatric hematologys and oncology physicians in Florida
Pediatric hematology-oncology is Dr. Maher's primary specialty in the NPI Registry, under taxonomy code 2080P0207X. Dr. Maher is board certified in pediatric hematology-oncology by the American Board of Pediatrics. Dmand AI has Dr. Maher's licenses on file in 6 states: Florida, New York, Oklahoma, Massachusetts, Texas and Connecticut.
Specialties and state licenses
- Pediatric hematology and oncology, FloridaPrimary
- New York license
- Oklahoma license
- Massachusetts license
- Texas license
- Connecticut license
Pediatric hematologys and oncology physicians near Dr. Maher
Counts of pediatric hematologys and oncology physicians with a Dmand AI profile, by place and practice. Each opens the list.
152pediatric hematologys and oncology physicians in Florida25pediatric hematologys and oncology physicians in Miami9pediatric hematologys and oncology physicians at Nicklaus Children's Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ossama Mohammed Maher's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Dr. Maher's median patient age at 12, with 53% women.
Dr. Maher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women53%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Ossama Mohammed Maher wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Maher wrote 13 Medicare Part D claims. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $205,006 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Part D claims, 202413
Drugs named by CMS1
Total drug cost$205,006
Dr. Maher's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 12No change
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ossama Mohammed Maher takes part in Medicare
Dr. Maher accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Ossama Mohammed Maher has 31 publications on record
Dmand AI links 31 papers to Dr. Maher, published from 2015 to 2024. 2020 was the busiest year, with 6. The most frequent topics are Brain Neoplasms, Hematopoietic Stem Cell Transplantation and Antineoplastic Combined Chemotherapy Protocols. Dr. Maher has published most often in J Pediatr Hematol Oncol. Dr. Maher's most frequent co-authors are Toba Nyra Niazi, MD, Priti Tewari, MD and Gabriel Chamyan, MD.
Papers31
Years published2015 to 2024
Dr. Maher's papers by year, 2015 to 2024
Topics Dr. Maher writes about most
- Brain Neoplasms
- Hematopoietic Stem Cell Transplantation
- Antineoplastic Combined Chemotherapy Protocols
- Glioma
- Medulloblastoma
- Busulfan
- Central Nervous System Neoplasms
- Cerebellar Neoplasms
Dr. Maher's most frequent co-authors
Recent publications by Dr. Maher
Pediatr Hematol Oncol
AllograftsAnemia, Sickle Cellbeta-Thalassemia
Feasibility StudiesHematologic NeoplasmsPrecision Medicine
Acta Neuropathol
AstrocytomaBrain NeoplasmsGlioma
Clin Neurol Neurosurg
Central Nervous SystemCentral Nervous System NeoplasmsMeningeal Neoplasms
See who Dr. Maher researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Maher works with, so you can find a warm path to the right pediatric hematologys and oncology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ossama Mohammed Maher received $6,480 in industry payments from 2016 to 2025
CMS Open Payments shows 97 general payments to Dr. Maher from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 50% of the total. Day One Biopharmaceuticals paid the most, $3,102.
General payments to Dr. Maher by program year, 2016 to 2025
General payments to Dr. Maher by kind, 2016 to 2025
$6.5Kin total
- Food and beverage$3,26050%
- Honoraria$2,99846%
- Consulting fees$1753%
- Education$481%
Companies that paid Dr. Maher the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ossama Mohammed Maher graduated from Cairo University School of Medicine
Dr. Maher graduated from Cairo University School of Medicine in 1999.
- Medical school
- Board certified in pediatric hematology-oncology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Ossama Mohammed Maher accepts plans from 10 insurance carriers
Dr. Maher is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- Cigna
- CMS Medicare
- Elevance
- +2 more carriersWith a free account
Plan types Dr. Maher accepts, by number of carriers
- PPO5
- HMO4
- Medicare3
- POS3
- EPO2
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Ossama Mohammed Maher's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ossama Mohammed Maher
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ossama Mohammed Maher's NPI number?
Dr. Ossama Mohammed Maher's NPI number is 1245663087. It was assigned on August 15, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Ossama Mohammed Maher?
Dr. Ossama Mohammed Maher is a pediatric hematology and oncology physician in Miami, Florida. The primary specialty in the NPI Registry is Pediatric Hematology & Oncology Physician (taxonomy code 2080P0207X).
Where does Dr. Ossama Mohammed Maher practice?
Dr. Maher practices at 3100 Sw 62nd Ave, Miami, FL 33155. Dr. Maher's primary practice is Nicklaus Children's Hospital in Miami, Florida, part of Nicklaus Children's Health System. Dmand AI also links Dr. Maher to 1 dialysis center and 1 medical group.
What is Dr. Ossama Mohammed Maher's office phone number?
The practice phone on file for Dr. Maher is (305) 666-6511.
What is Dr. Ossama Mohammed Maher's medical license number?
Dr. Maher holds Florida license ME131868, one of the licenses on file in 6 states.
Which states has Dr. Ossama Mohammed Maher been licensed in?
Dmand AI has state licenses on file for Dr. Maher in Florida (2017 to 2027), New York (2024 to 2026), Oklahoma (2024 to 2026), Massachusetts (2016 to 2017), Texas (2015 to 2017) and Connecticut (2013 to 2014).
Which hospitals is Dr. Ossama Mohammed Maher affiliated with?
Dr. Maher practices at Nicklaus Children's Hospital in Miami, Florida. Dr. Maher is also affiliated with Saint Francis Hospital.
What medical group is Dr. Ossama Mohammed Maher part of?
Dr. Maher is linked to KIDZ Medical Services. Dmand AI links Dr. Maher to 1 more medical group.
Does Dr. Ossama Mohammed Maher accept Medicare?
Yes. CMS lists Dr. Maher as accepting Medicare assignment.
Is Dr. Ossama Mohammed Maher board certified?
Yes. Dr. Maher is board certified in pediatric hematology-oncology by the American Board of Pediatrics.
Show 7 more questionsShow fewer questions
Where did Dr. Ossama Mohammed Maher go to medical school?
Dr. Maher graduated from Cairo University School of Medicine in 1999.
What drugs does Dr. Ossama Mohammed Maher prescribe most?
In 2024 Medicare Part D data, Dr. Maher's most prescribed drugs by claims were Rezurock.
Has Dr. Ossama Mohammed Maher received payments from drug or device companies?
CMS Open Payments shows $6,480 in general payments to Dr. Maher from 26 companies from 2016 to 2025. The largest total came from Day One Biopharmaceuticals.
How long has Dr. Ossama Mohammed Maher been practicing?
Dr. Maher graduated from medical school in 1999, 27 years ago.
Does Dr. Ossama Mohammed Maher do research?
Dmand AI links 31 publications to Dr. Maher, published from 2015 to 2024.
Who does Dr. Ossama Mohammed Maher publish with?
Dr. Maher's most frequent co-authors are Toba Nyra Niazi, MD (6 shared papers), Priti Tewari, MD (5 shared papers) and Gabriel Chamyan, MD (4 shared papers).
What insurance does Dr. Ossama Mohammed Maher accept?
Dr. Maher is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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