Dr. Ali Mahajerin, MD
- Medicare services, 2024
- 1,973
- Medicare patients, 2024
- 1,207
- Part D claims, 2024
- 3,261
- Hospital affiliations
- 5
- Medical groups
- 3
- Practice address
- 100 Michigan St NE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 391-1774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Mahajerin'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. Ali Mahajerin is a cardiologist in Grand Rapids, Michigan
Dr. Mahajerin practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Dr. Mahajerin's NPI, 1033269816, was assigned on January 12, 2007. Dr. Mahajerin graduated from University of Michigan Medical School in 2004. Dr. Mahajerin holds Michigan license 4301083665.
- NPI
- 1033269816NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355420688
- NPI enumeration date
- January 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ali Mahajerin practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Dr. Mahajerin's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.
- Corewell Health Grand Rapids Hospitals - Butterworth100 Michigan St NE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 391-1774
Source: Dmand AI Affiliation Data
Dr. Ali Mahajerin is affiliated with 7 sites of care and 3 medical groups
Dr. Mahajerin's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dr. Mahajerin is also affiliated with Corewell Health Greenville Hospital. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Mahajerin to 3 more hospitals, 2 group practices and clinics and 2 medical groups, 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. Ali Mahajerin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahajerin practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Grand Rapids Hospitals - Butterworth | Available with a free account |
| +6 more sites and 2 medical groups | 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 Corewell Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ali Mahajerin is one of 768 cardiologists in Michigan
Cardiovascular disease is Dr. Mahajerin's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Mahajerin's licenses on file in 2 states: Michigan and Massachusetts.
Specialties and state licenses
- Cardiovascular disease, MichiganPrimary
- Internal medicine, Massachusetts
Cardiologists near Dr. Mahajerin
Counts of cardiologists 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. Ali Mahajerin billed Medicare for 1,973 services in 2024
CMS data shows 1,973 Medicare services from Dr. Mahajerin across 23 procedure codes in 2024, for 1,207 Medicare patients. Medicare paid $67,284 for them.
Dr. Mahajerin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,6292024: 1,36616%
- Office and hospital visits
- 2023: 2852024: 2995%
- Other services
- 2023: 1912024: 2089%
- Imaging
- 2023: 1402024: 10029%
Where Dr. Mahajerin's Medicare services took place, 2024
- In an office72637%
- In a facility1,24763%
Dr. Mahajerin compared with the Michigan median for cardiologists, 2024
- Dr. Mahajerin
- Michigan median
- Medicare services
- 1,973vs 1,43537% above
- Medicare patients
- 1,207vs 64487% above
- Part D claims
- 3,097vs 1,56298% above
Medians across 749 cardiologists in Michigan with Dmand AI profiles that report each measure.
Dr. Mahajerin'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ali Mahajerin treated 1,207 Medicare patients in 2024, average age 75
CMS counts 1,207 Medicare patients who saw Dr. Mahajerin in 2024. The largest group is 65 to 74, with 479 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.87, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Mahajerin's median patient age at 69, with 47% women.
Dr. Mahajerin's Medicare patients by age, 2024
Dr. Mahajerin's Medicare patients by sex, 2024
- Women55446%
- Men65354%
Chronic conditions among Dr. Mahajerin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease57%
- Arthritis53%
- Atrial fibrillation51%
- Heart failure50%
- Chronic kidney disease41%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mahajerin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ali Mahajerin wrote 3,261 Medicare Part D claims in 2024
In 2024, Dr. Mahajerin wrote 3,261 Medicare Part D claims for 578 patients. 81% of them were for generic drugs. CMS names the drug for 3,097 of them, across 32 drugs with 11 or more claims each, at $730,729 in total drug cost. In 2023, CMS named 3,455 claims across 34 drugs.
Dr. Mahajerin's Part D claims by kind of drug, 2024
- Generic2,652 claims81%
- Brand-name609 claims19%
Dr. Mahajerin'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: 3,4552024: 3,09710%
Drugs named by CMS: 32 in 2024, 34 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. Ali Mahajerin takes part in Medicare
Dr. Mahajerin 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)
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Dr. Ali Mahajerin graduated from University of Michigan Medical School
Dr. Mahajerin graduated from University of Michigan Medical School in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ali Mahajerin'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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Ali Mahajerin
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. Ali Mahajerin's NPI number?
Dr. Ali Mahajerin's NPI number is 1033269816. It was assigned on January 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ali Mahajerin?
Dr. Ali Mahajerin is a cardiologist in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Ali Mahajerin practice?
Dr. Mahajerin practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Mahajerin's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Mahajerin to 3 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. Ali Mahajerin's office phone number?
The practice phone on file for Dr. Mahajerin is (616) 391-1774.
What is Dr. Ali Mahajerin's medical license number?
Dr. Mahajerin holds Michigan license 4301083665, one of the licenses on file in 2 states.
Which states has Dr. Ali Mahajerin been licensed in?
Dmand AI has state licenses on file for Dr. Mahajerin in Michigan and Massachusetts.
Which hospitals is Dr. Ali Mahajerin affiliated with?
Dr. Mahajerin practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Dr. Mahajerin is also affiliated with Corewell Health Greenville Hospital. Dmand AI links Dr. Mahajerin to 3 more hospitals.
What medical group is Dr. Ali Mahajerin part of?
Dr. Mahajerin is linked to Corewell Health Medical Group West. Dmand AI links Dr. Mahajerin to 2 more medical groups.
Does Dr. Ali Mahajerin accept Medicare?
Yes. CMS data shows Dr. Mahajerin billed Medicare for 1,973 services in 2024, and Dr. Mahajerin accepts Medicare assignment.
How many Medicare patients does Dr. Ali Mahajerin see?
CMS counts 1,207 Medicare patients who saw Dr. Mahajerin in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Ali Mahajerin bill to Medicare?
In 2024, Dr. Mahajerin's most billed Medicare services were heart test or procedure (93306), heart test or procedure (93010) and office visit, established patient (99214).
Where did Dr. Ali Mahajerin go to medical school?
Dr. Mahajerin graduated from University of Michigan Medical School in 2004.
What drugs does Dr. Ali Mahajerin prescribe most?
In 2024 Medicare Part D data, Dr. Mahajerin's most prescribed drugs by claims were Metoprolol Succinate, Eliquis and Atorvastatin Calcium.
How long has Dr. Ali Mahajerin been practicing?
Dr. Mahajerin graduated from medical school in 2004, 22 years ago.
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