Dr. Farzad Assar, MD
- Medicare services, 2024
- 1,568
- Medicare patients, 2024
- 276
- Part D claims, 2024
- 2,323
- MIPS score, 2024
- 23
- Hospital affiliations
- 2
- Practice address
- 1 Executive Park Ct, Germantown, MD 20874
- Practice phone
- Call (301) 540-6020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Middlebrook Dialysis
Germantown, Maryland
Find Dr. Assar'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. Farzad Assar is a nephrologist in Germantown, Maryland
Dr. Assar practices at Middlebrook Dialysis in Germantown, Maryland.
Dr. Assar's NPI, 1447261615, was assigned on August 11, 2006. Dr. Assar holds Maryland license D0040201.
- NPI
- 1447261615NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486614062
- NPI enumeration date
- August 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 540-6020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Farzad Assar practices at Middlebrook Dialysis in Germantown, Maryland
Dr. Assar's primary practice is Middlebrook Dialysis, at 1 Executive Park Ct, Germantown, MD 20874 in Montgomery County. The practice phone is (301) 540-6020.
- Middlebrook Dialysis1 Executive Park Ct, Germantown, MD 20874 · Montgomery CountyPhone(301) 540-6020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Farzad Assar is affiliated with 6 sites of care
Dr. Assar's primary practice is Middlebrook Dialysis in Germantown, Maryland. Dr. Assar is also affiliated with Holy Cross Germantown Hospital. Dmand AI also links Dr. Assar to 1 more hospital, 2 dialysis centers and 1 physician office, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Farzad Assar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Assar practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Middlebrook Dialysis | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Farzad Assar is one of 279 nephrologists in Maryland
Nephrology is Dr. Assar's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Assar is licensed in Maryland.
Specialties and state licenses
- Nephrology, MarylandPrimary
Nephrologists near Dr. Assar
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. Farzad Assar billed Medicare for 1,568 services in 2024
CMS data shows 1,568 Medicare services from Dr. Assar across 5 procedure codes in 2024, for 276 Medicare patients. Medicare paid $199,184 for them.
Dr. Assar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2132024: 1,2927%
- Tests and treatments
- 2023: 3022024: 2769%
Where Dr. Assar's Medicare services took place, 2024
- In an office73647%
- In a facility83253%
Dr. Assar compared with the Maryland median for nephrologists, 2024
- Dr. Assar
- Maryland median
- Medicare services
- 1,568vs 1,39213% above
- Medicare patients
- 276vs 41734% below
- Part D claims
- 1,827vs 4723.9 times
Medians across 268 nephrologists in Maryland with Dmand AI profiles that report each measure.
Dr. Assar'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Assar and other nephrologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Farzad Assar treated 276 Medicare patients in 2024, average age 74
CMS counts 276 Medicare patients who saw Dr. Assar in 2024. The largest group is 75 to 84, with 93 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 44% are also on Medicaid. Their average risk score is 2.93, 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. Assar's median patient age at 67, with 41% women.
Dr. Assar's Medicare patients by age, 2024
Dr. Assar's Medicare patients by sex, 2024
- Women13147%
- Men14553%
Chronic conditions among Dr. Assar's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes71%
- Ischemic heart disease45%
- Arthritis44%
- Mood disorders36%
- Depression30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Assar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Farzad Assar wrote 2,323 Medicare Part D claims in 2024
In 2024, Dr. Assar wrote 2,323 Medicare Part D claims for 198 patients. 81% of them were for generic drugs. CMS names the drug for 1,827 of them, across 60 drugs with 11 or more claims each, at $334,493 in total drug cost. In 2023, CMS named 1,581 claims across 55 drugs.
Dr. Assar's Part D claims by kind of drug, 2024
- Generic1,881 claims81%
- Brand-name442 claims19%
Dr. Assar'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. Assar's Part D claims, 2024
- Opioids1%21 of 2,323 claims
- Antibiotics3%80 of 2,323 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: 1,5812024: 1,82716%
Drugs named by CMS: 60 in 2024, 55 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. Farzad Assar scored 23 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 23 out of 100 for Dr. Assar for performance year 2024, reported individually. Dr. Assar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Assar's MIPS scores, performance year 2024
- 23of 100Final score
- 0of 100Quality
- 0of 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. Farzad Assar received $2,740 in industry payments from 2016 to 2025
CMS Open Payments shows 132 general payments to Dr. Assar from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Relypsa, Inc. paid the most, $668.
General payments to Dr. Assar by program year, 2016 to 2025
General payments to Dr. Assar by kind, 2016 to 2025
- Food and beverage$2,42088%
- Education$32012%
Companies that paid Dr. Assar 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. Farzad Assar'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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. Farzad Assar
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. Farzad Assar's NPI number?
Dr. Farzad Assar's NPI number is 1447261615. It was assigned on August 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Farzad Assar?
Dr. Farzad Assar is a nephrologist in Germantown, Maryland. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Farzad Assar practice?
Dr. Assar practices at 1 Executive Park Ct, Germantown, MD 20874. Dr. Assar's primary practice is Middlebrook Dialysis in Germantown, Maryland. Dmand AI also links Dr. Assar to 1 hospital, 2 dialysis centers and 1 physician office.
What is Dr. Farzad Assar's office phone number?
The practice phone on file for Dr. Assar is (301) 540-6020.
What is Dr. Farzad Assar's medical license number?
Dr. Assar holds Maryland license D0040201.
Which hospitals is Dr. Farzad Assar affiliated with?
Dr. Assar is affiliated with Holy Cross Germantown Hospital. Dmand AI links Dr. Assar to 1 more hospital.
Does Dr. Farzad Assar accept Medicare?
Yes. CMS data shows Dr. Assar billed Medicare for 1,568 services in 2024, and Dr. Assar accepts Medicare assignment.
What is Dr. Farzad Assar's MIPS score?
Dr. Assar's MIPS final score for performance year 2024 is 23 out of 100, reported individually.
How many Medicare patients does Dr. Farzad Assar see?
CMS counts 276 Medicare patients who saw Dr. Assar in 2024, with an average age of 74.
What services does Dr. Farzad Assar bill to Medicare?
In 2024, Dr. Assar's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and dialysis (90960).
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What drugs does Dr. Farzad Assar prescribe most?
In 2024 Medicare Part D data, Dr. Assar's most prescribed drugs by claims were Farxiga, Amlodipine Besylate and Metformin HCl.
Has Dr. Farzad Assar received payments from drug or device companies?
CMS Open Payments shows $2,740 in general payments to Dr. Assar from 19 companies from 2016 to 2025. The largest total came from Relypsa, Inc.
How long has Dr. Farzad Assar been practicing?
Dr. Assar graduated from medical school in 1985, 41 years ago.
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