Dr. Sami S. Zamzam, MD
- Medicare services, 2023
- 22
- Medicare patients, 2024
- 58
- MIPS score, 2024
- 81
- Hospital affiliations
- 3
- Industry payments
- $3,848
- 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. Zamzam'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. Sami S. Zamzam is an anesthesiologist in Grand Rapids, Michigan
Dr. Zamzam practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Dr. Zamzam's NPI, 1780621268, was assigned on June 1, 2006. Dr. Zamzam graduated from Ross University School of Medicine in 1998. Dr. Zamzam holds California license C196713.
- NPI
- 1780621268NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840369609
- NPI enumeration date
- June 1, 2006
- 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
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sami S. Zamzam practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Dr. Zamzam'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. Sami S. Zamzam is affiliated with 4 sites of care and 9 medical groups
Dr. Zamzam's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dr. Zamzam is also affiliated with Henderson Hospital. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Zamzam to 1 more hospital, 8 medical groups and 1 group practice or clinic, 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. Sami S. Zamzam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zamzam practices, 4 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 |
| +3 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sami S. Zamzam is one of 1,302 anesthesiologists in Michigan
Anesthesiology is Dr. Zamzam's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Zamzam is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Zamzam's licenses on file in 5 states: California, Nevada, Virginia, Michigan and Wyoming.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Nevada license
- Virginia license
- Michigan license
- Wyoming license
Anesthesiologists near Dr. Zamzam
Counts of anesthesiologists 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. Sami S. Zamzam billed Medicare for 22 services in 2023
CMS data shows 22 Medicare services from Dr. Zamzam across 2 procedure codes in 2023, for 58 Medicare patients. Medicare paid $2,302 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zamzam's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 112023: 22100%
- Imaging
- 2022: 202023: 0100%
Dr. Zamzam compared with the Michigan median for anesthesiologists, 2023
- Dr. Zamzam
- Michigan median
- Medicare services
- 22vs 8975% below
- Medicare patients
- 58vs 17767% below
Medians across 1,283 anesthesiologists in Michigan with Dmand AI profiles that report each measure.
Dr. Zamzam's most billed Medicare procedure codes, 2023
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. Zamzam?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zamzam and other anesthesiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sami S. Zamzam treated 58 Medicare patients in 2024, average age 70
CMS counts 58 Medicare patients who saw Dr. Zamzam in 2024. The largest group is 65 to 74, with 29 patients. 69% of them have high blood pressure, and 67% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zamzam's median patient age at 64, with 62% women.
Dr. Zamzam's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zamzam's Medicare patients by sex, 2024
- Women2645%
- Men3255%
Chronic conditions among Dr. Zamzam's Medicare patients, 2024
- High blood pressure69%
- High cholesterol67%
- Arthritis66%
- Mood disorders29%
- Anxiety28%
- Depression24%
- Diabetes24%
- Ischemic heart disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zamzam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sami S. Zamzam scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Zamzam for performance year 2024, reported as part of a group. Dr. Zamzam accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Zamzam's MIPS scores, performance year 2024
- 81of 100Final score
- 90of 100Quality
- 20of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Sami S. Zamzam received $3,848 in industry payments from 2016 to 2025
CMS Open Payments shows 8 general payments to Dr. Zamzam from 5 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 93% of the total. Baxalta US Inc paid the most, $3,466.
General payments to Dr. Zamzam by program year, 2016 to 2025
General payments to Dr. Zamzam by kind, 2016 to 2025
- Consulting fees$3,56693%
- Food and beverage$2647%
- Education$180%
Companies that paid Dr. Zamzam 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. Sami S. Zamzam graduated from Ross University School of Medicine
Dr. Zamzam graduated from Ross University School of Medicine in 1998.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Sami S. Zamzam accepts plans from 1 insurance carrier
Dr. Zamzam is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Sami S. Zamzam'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Sami S. Zamzam
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. Sami S. Zamzam's NPI number?
Dr. Sami S. Zamzam's NPI number is 1780621268. It was assigned on June 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sami S. Zamzam?
Dr. Sami S. Zamzam is an anesthesiologist in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Sami S. Zamzam practice?
Dr. Zamzam practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Zamzam's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Zamzam to 1 hospital, 8 medical groups and 1 group practice or clinic.
What is Dr. Sami S. Zamzam's office phone number?
The practice phone on file for Dr. Zamzam is (616) 391-1774.
What is Dr. Sami S. Zamzam's medical license number?
Dr. Zamzam holds California license C196713, one of the licenses on file in 5 states.
Which states has Dr. Sami S. Zamzam been licensed in?
Dmand AI has state licenses on file for Dr. Zamzam in California (2024 to 2026), Nevada (2002 to 2027), Virginia (2023 to 2026), Michigan (1998 to 2025) and Wyoming (2024).
Which hospitals is Dr. Sami S. Zamzam affiliated with?
Dr. Zamzam practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Dr. Zamzam is also affiliated with Henderson Hospital. Dmand AI links Dr. Zamzam to 1 more hospital.
What medical group is Dr. Sami S. Zamzam part of?
Dr. Zamzam is linked to Corewell Health Medical Group West. Dmand AI links Dr. Zamzam to 8 more medical groups.
Does Dr. Sami S. Zamzam accept Medicare?
Yes. CMS data shows Dr. Zamzam billed Medicare for 22 services in 2023, and Dr. Zamzam accepts Medicare assignment.
What is Dr. Sami S. Zamzam's MIPS score?
Dr. Zamzam's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Sami S. Zamzam see?
CMS counts 58 Medicare patients who saw Dr. Zamzam in 2024, with an average age of 70.
Is Dr. Sami S. Zamzam board certified?
Yes. Dr. Zamzam is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Sami S. Zamzam bill to Medicare?
In 2023, Dr. Zamzam's most billed Medicare services were anesthesia (00731) and anesthesia (01402).
Where did Dr. Sami S. Zamzam go to medical school?
Dr. Zamzam graduated from Ross University School of Medicine in 1998.
Has Dr. Sami S. Zamzam received payments from drug or device companies?
CMS Open Payments shows $3,848 in general payments to Dr. Zamzam from 5 companies from 2016 to 2025. The largest total came from Baxalta US Inc.
How long has Dr. Sami S. Zamzam been practicing?
Dr. Zamzam graduated from medical school in 1998, 28 years ago.
What insurance does Dr. Sami S. Zamzam accept?
Dr. Zamzam is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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