Dr. Mazen N. Zaher, DO
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 28
- Publications
- 6
- Hospital affiliations
- 6
- Industry payments
- $927
- Practice address
- 5501 Old York Road, Philadelphia, PA 19141
- Practice phone
- Call (215) 456-6090
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zaher's professional email, personal email and mobile number
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Dr. Mazen N. Zaher is a neurosurgeon in Philadelphia, Pennsylvania
Dr. Zaher practices at Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University.
Dr. Zaher's NPI, 1447790761, was assigned on March 6, 2017. Dr. Zaher holds Arizona license 010914.
- NPI
- 1447790761NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931540168
- NPI enumeration date
- March 6, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 456-6090
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mazen N. Zaher practices at Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania
Dr. Zaher's primary practice is Jefferson Einstein Philadelphia Hospital, at 5501 Old York Road, Philadelphia, PA 19141 in Philadelphia County. The practice phone is (215) 456-6090.
- Jefferson Einstein Philadelphia Hospital5501 Old York Road, Philadelphia, PA 19141 · Philadelphia CountyPhone(215) 456-6090
Source: Dmand AI Affiliation Data
Dr. Mazen N. Zaher is affiliated with 9 sites of care and 2 medical groups
Dr. Zaher's primary practice is Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dr. Zaher is also affiliated with Banner - University Medical Center Phoenix. The medical group on file is Banner Medical Group. Dmand AI also links Dr. Zaher to 4 more hospitals, 1 dialysis center, 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mazen N. Zaher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zaher practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jefferson Einstein Philadelphia Hospital | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Thomas Jefferson University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mazen N. Zaher is one of 367 neurosurgeons in Pennsylvania
Neurological surgery is Dr. Zaher's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Zaher is licensed in Arizona.
Specialties and state licenses
- Neurological surgery, ArizonaPrimary
Neurosurgeons near Dr. Zaher
Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mazen N. Zaher billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Dr. Zaher across 1 procedure code in 2024, for 28 Medicare patients. Medicare paid $1,196 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zaher compared with the Pennsylvania median for neurosurgeons, 2024
- Dr. Zaher
- Pennsylvania median
- Medicare services
- 12vs 19794% below
- Medicare patients
- 28vs 14681% below
Medians across 316 neurosurgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Zaher's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Zaher?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zaher and other neurosurgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mazen N. Zaher treated 28 Medicare patients in 2024, average age 73
CMS counts 28 Medicare patients who saw Dr. Zaher in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zaher's median patient age at 60, with 52% women.
Dr. Zaher's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zaher's Medicare patients by sex, 2024
- Women1346%
- Men1554%
Chronic conditions among Dr. Zaher's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA75%
- Ischemic heart disease46%
- Mood disorders46%
- Arthritis43%
- Anxiety39%
- Depression39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zaher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Mazen N. Zaher takes part in Medicare
Dr. Zaher accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Laminectomy or laminotomy (partial removal of spine bones): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mazen N. Zaher has 6 publications on record
Dmand AI links 6 papers to Dr. Zaher, published from 2021 to 2025. 2024 was the busiest year, with 2. Dr. Zaher has published most often in J Neurosurg Case Lessons. Dr. Zaher's most frequent co-authors are Clint Andrew Badger, DO, Stanley Robert Dennison, MD and Saniya Siraj Godil, MBBS.
Dr. Zaher's papers by year, 2021 to 2025
Dr. Zaher's most frequent co-authors
- Clint Andrew Badger, DO1 shared paper
- Stanley Robert Dennison, MD1 shared paper
- Saniya Siraj Godil, MBBS1 shared paper
Recent publications by Dr. Zaher
See who Dr. Zaher researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zaher works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mazen N. Zaher received $927 in industry payments from 2022 to 2025
CMS Open Payments shows 14 general payments to Dr. Zaher from 10 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Intrinsic Therapeutics paid the most, $145.
General payments to Dr. Zaher by program year, 2022 to 2025
Companies that paid Dr. Zaher the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mazen N. Zaher'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)Doctors and Clinicians Utilization Data (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) |
| 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. Mazen N. Zaher
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. Mazen N. Zaher's NPI number?
Dr. Mazen N. Zaher's NPI number is 1447790761. It was assigned on March 6, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Mazen N. Zaher?
Dr. Mazen N. Zaher is a neurosurgeon in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Mazen N. Zaher practice?
Dr. Zaher practices at 5501 Old York Road, Philadelphia, PA 19141. Dr. Zaher's primary practice is Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dmand AI also links Dr. Zaher to 4 hospitals, 1 dialysis center, 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Mazen N. Zaher's office phone number?
The practice phone on file for Dr. Zaher is (215) 456-6090.
What is Dr. Mazen N. Zaher's medical license number?
Dr. Zaher holds Arizona license 010914.
Which hospitals is Dr. Mazen N. Zaher affiliated with?
Dr. Zaher practices at Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania. Dr. Zaher is also affiliated with Banner - University Medical Center Phoenix. Dmand AI links Dr. Zaher to 4 more hospitals.
What medical group is Dr. Mazen N. Zaher part of?
Dr. Zaher is linked to Banner Medical Group. Dmand AI links Dr. Zaher to 1 more medical group.
Does Dr. Mazen N. Zaher accept Medicare?
Yes. CMS data shows Dr. Zaher billed Medicare for 12 services in 2024, and Dr. Zaher accepts Medicare assignment.
How many Medicare patients does Dr. Mazen N. Zaher see?
CMS counts 28 Medicare patients who saw Dr. Zaher in 2024, with an average age of 73.
What services does Dr. Mazen N. Zaher bill to Medicare?
In 2024, Dr. Zaher's most billed Medicare services were hospital inpatient care (99222).
Show 4 more questionsShow fewer questions
Has Dr. Mazen N. Zaher received payments from drug or device companies?
CMS Open Payments shows $927 in general payments to Dr. Zaher from 10 companies from 2022 to 2025. The largest total came from Intrinsic Therapeutics.
How long has Dr. Mazen N. Zaher been practicing?
Dr. Zaher graduated from medical school in 2017, 9 years ago.
Does Dr. Mazen N. Zaher do research?
Dmand AI links 6 publications to Dr. Zaher, published from 2021 to 2025.
Who does Dr. Mazen N. Zaher publish with?
Dr. Zaher's most frequent co-authors are Clint Andrew Badger, DO (1 shared paper), Stanley Robert Dennison, MD (1 shared paper) and Saniya Siraj Godil, MBBS (1 shared paper).
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