Dr. Marjan Vandevar, DO
- Medicare services, 2024
- 1,978
- Medicare patients, 2024
- 386
- Part D claims, 2024
- 1,838
- MIPS score, 2024
- 98
- Hospital affiliations
- 3
- Practice address
- 301 S West Crown Point Rd, Ste 130, Winter Garden, FL 34787
- Practice phone
- Call (407) 378-5955
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fresenius Kidney Care Winter Garden
Dialysis Center - Independent · Winter Garden, Florida
Find Dr. Vandevar'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. Marjan Vandevar is a nephrologist in Winter Garden, Florida
Dr. Vandevar practices at Fresenius Kidney Care Winter Garden in Winter Garden, Florida.
Dr. Vandevar's NPI, 1861759862, was assigned on April 13, 2012. Dr. Vandevar holds Florida license OS12532.
- NPI
- 1861759862NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062645765
- NPI enumeration date
- April 13, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (407) 378-5955
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marjan Vandevar practices at Fresenius Kidney Care Winter Garden in Winter Garden, Florida
Dr. Vandevar's primary practice is Fresenius Kidney Care Winter Garden, at 301 S West Crown Point Rd, Ste 130, Winter Garden, FL 34787 in Orange County. The practice phone is (407) 378-5955.
- Fresenius Kidney Care Winter Garden301 S West Crown Point Rd, Ste 130, Winter Garden, FL 34787 · Orange CountyPhone(407) 378-5955
Source: Dmand AI Affiliation Data
Dr. Marjan Vandevar is affiliated with 7 sites of care and 2 medical groups
Dr. Vandevar's primary practice is Fresenius Kidney Care Winter Garden in Winter Garden, Florida. Dr. Vandevar is also affiliated with AdventHealth Orlando. The medical group on file is West Orange Nephrology. Dmand AI also links Dr. Vandevar to 2 more hospitals, 1 dialysis center, 1 physician office, 1 group practice or 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. Marjan Vandevar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vandevar practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fresenius Kidney Care Winter Garden | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marjan Vandevar is one of 917 nephrologists in Florida
Nephrology is Dr. Vandevar's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Vandevar is licensed in Florida.
Specialties and state licenses
- Nephrology, FloridaPrimary
Nephrologists near Dr. Vandevar
Counts of nephrologists 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. Marjan Vandevar billed Medicare for 1,978 services in 2024
CMS data shows 1,978 Medicare services from Dr. Vandevar across 8 procedure codes in 2024, for 386 Medicare patients. Medicare paid $192,122 for them.
Dr. Vandevar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,9142024: 1,9391%
- Tests and treatments
- 2023: 492024: 3920%
Where Dr. Vandevar's Medicare services took place, 2024
- In an office82242%
- In a facility1,15658%
Dr. Vandevar compared with the Florida median for nephrologists, 2024
- Dr. Vandevar
- Florida median
- Medicare services
- 1,978vs 1,49033% above
- Medicare patients
- 386vs 387Close to median
- Part D claims
- 1,544vs 93465% above
Medians across 882 nephrologists in Florida with Dmand AI profiles that report each measure.
Dr. Vandevar'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. Marjan Vandevar treated 386 Medicare patients in 2024, average age 73
CMS counts 386 Medicare patients who saw Dr. Vandevar in 2024. The largest group is 75 to 84, with 130 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 37% are also on Medicaid. Their average risk score is 4.69, 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. Vandevar's median patient age at 66, with 49% women.
Dr. Vandevar's Medicare patients by age, 2024
Dr. Vandevar's Medicare patients by sex, 2024
- Women19651%
- Men19049%
Chronic conditions among Dr. Vandevar's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes72%
- Heart failure61%
- Ischemic heart disease60%
- Mood disorders47%
- Arthritis45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vandevar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marjan Vandevar wrote 1,838 Medicare Part D claims in 2024
In 2024, Dr. Vandevar wrote 1,838 Medicare Part D claims for 333 patients. 79% of them were for generic drugs. CMS names the drug for 1,544 of them, across 42 drugs with 11 or more claims each, at $478,020 in total drug cost. In 2023, CMS named 1,277 claims across 37 drugs.
Dr. Vandevar's Part D claims by kind of drug, 2024
- Generic1,460 claims79%
- Brand-name378 claims21%
Dr. Vandevar'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.
Drug classes CMS tracks in Dr. Vandevar's Part D claims, 2024
- Antibiotics5%91 of 1,838 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,2772024: 1,54421%
Drugs named by CMS: 42 in 2024, 37 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
Dr. Marjan Vandevar scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Vandevar for performance year 2024, reported as part of a group. Dr. Vandevar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Vandevar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Vandevar's MIPS scores, performance year 2024
- 98of 100Final score
- 89.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 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. Marjan Vandevar received $4,840 in industry payments from 2016 to 2025
CMS Open Payments shows 172 general payments to Dr. Vandevar from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Travere Therapeutics, Inc. paid the most, $652.
General payments to Dr. Vandevar by program year, 2016 to 2025
General payments to Dr. Vandevar by kind, 2016 to 2025
- Food and beverage$4,67297%
- Education$1683%
Companies that paid Dr. Vandevar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marjan Vandevar'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Marjan Vandevar
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. Marjan Vandevar's NPI number?
Dr. Marjan Vandevar's NPI number is 1861759862. It was assigned on April 13, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Marjan Vandevar?
Dr. Marjan Vandevar is a nephrologist in Winter Garden, Florida. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Marjan Vandevar practice?
Dr. Vandevar practices at 301 S West Crown Point Rd, Ste 130, Winter Garden, FL 34787. Dr. Vandevar's primary practice is Fresenius Kidney Care Winter Garden in Winter Garden, Florida. Dmand AI also links Dr. Vandevar to 2 hospitals, 1 dialysis center, 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Marjan Vandevar's office phone number?
The practice phone on file for Dr. Vandevar is (407) 378-5955.
What is Dr. Marjan Vandevar's medical license number?
Dr. Vandevar holds Florida license OS12532.
Which hospitals is Dr. Marjan Vandevar affiliated with?
Dr. Vandevar is affiliated with AdventHealth Orlando. Dmand AI links Dr. Vandevar to 2 more hospitals.
What medical group is Dr. Marjan Vandevar part of?
Dr. Vandevar is linked to West Orange Nephrology. Dmand AI links Dr. Vandevar to 1 more medical group.
Does Dr. Marjan Vandevar accept Medicare?
Yes. CMS data shows Dr. Vandevar billed Medicare for 1,978 services in 2024, and Dr. Vandevar accepts Medicare assignment.
Does Dr. Marjan Vandevar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Vandevar as offering telehealth services.
What is Dr. Marjan Vandevar's MIPS score?
Dr. Vandevar's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Marjan Vandevar see?
CMS counts 386 Medicare patients who saw Dr. Vandevar in 2024, with an average age of 73.
What services does Dr. Marjan Vandevar bill to Medicare?
In 2024, Dr. Vandevar's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and care management and other visits (99487).
What drugs does Dr. Marjan Vandevar prescribe most?
In 2024 Medicare Part D data, Dr. Vandevar's most prescribed drugs by claims were Calcitriol, Farxiga and Amlodipine Besylate.
Has Dr. Marjan Vandevar received payments from drug or device companies?
CMS Open Payments shows $4,840 in general payments to Dr. Vandevar from 28 companies from 2016 to 2025. The largest total came from Travere Therapeutics, Inc.
How long has Dr. Marjan Vandevar been practicing?
Dr. Vandevar graduated from medical school in 2009, 17 years ago.
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