Dr. Keith Zaitoun, MD
- Medicare services, 2024
- 6,382
- Medicare patients, 2024
- 372
- Part D claims, 2024
- 777
- MIPS score, 2024
- 93
- Hospital affiliations
- 6
- Practice address
- 3235 Academy Ave, Portsmouth, VA 23703
- Practice phone
- Call (757) 530-7461
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Greater Portsmouth
Portsmouth, Virginia
Find Dr. Zaitoun'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. Keith Zaitoun is a nephrologist in Portsmouth, Virginia
Dr. Zaitoun practices at Greater Portsmouth in Portsmouth, Virginia.
Dr. Zaitoun's NPI, 1679567820, was assigned on September 2, 2005. Dr. Zaitoun graduated from University of Virginia School of Medicine in 1985. Dr. Zaitoun holds Virginia license 0101039811.
- NPI
- 1679567820NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911924691
- NPI enumeration date
- September 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (757) 530-7461
- 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. Keith Zaitoun practices at Greater Portsmouth in Portsmouth, Virginia
Dr. Zaitoun's primary practice is Greater Portsmouth, at 3235 Academy Ave, Portsmouth, VA 23703 in Portsmouth City. The practice phone is (757) 530-7461.
- Greater Portsmouth3235 Academy Ave, Portsmouth, VA 23703 · Portsmouth CityPhone(757) 530-7461
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Keith Zaitoun is affiliated with 13 sites of care and 1 medical group
Dr. Zaitoun's primary practice is Greater Portsmouth in Portsmouth, Virginia. Dr. Zaitoun is also affiliated with Bon Secours Maryview Medical Center. The medical group on file is Portsmouth Nephrology. Dmand AI also links Dr. Zaitoun to 5 more hospitals, 5 dialysis centers and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Keith Zaitoun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zaitoun practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greater Portsmouth | Available with a free account |
| +12 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Keith Zaitoun is one of 289 nephrologists in Virginia
Nephrology is Dr. Zaitoun's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Zaitoun is licensed in Virginia.
Specialties and state licenses
- Nephrology, VirginiaPrimary
Nephrologists near Dr. Zaitoun
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. Keith Zaitoun billed Medicare for 6,382 services in 2024
CMS data shows 6,382 Medicare services from Dr. Zaitoun across 14 procedure codes in 2024, for 372 Medicare patients. Medicare paid $326,483 for them.
Dr. Zaitoun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,2682024: 5,624148%
- Tests and treatments
- 2023: 3752024: 3853%
- Other services
- 2023: 02024: 373
Where Dr. Zaitoun's Medicare services took place, 2024
- In an office6,09295%
- In a facility2905%
Dr. Zaitoun compared with the Virginia median for nephrologists, 2024
- Dr. Zaitoun
- Virginia median
- Medicare services
- 6,382vs 1,2275.2 times
- Medicare patients
- 372vs 387Close to median
- Part D claims
- 615vs 77020% below
Medians across 276 nephrologists in Virginia with Dmand AI profiles that report each measure.
Dr. Zaitoun'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. Zaitoun and other nephrologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Keith Zaitoun treated 372 Medicare patients in 2024, average age 75
CMS counts 372 Medicare patients who saw Dr. Zaitoun in 2024. The largest group is 65 to 74, with 140 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 12% are also on Medicaid. Their average risk score is 3.19, 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. Zaitoun's median patient age at 71, with 49% women.
Dr. Zaitoun's Medicare patients by age, 2024
Dr. Zaitoun's Medicare patients by sex, 2024
- Women18951%
- Men18349%
Chronic conditions among Dr. Zaitoun's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes58%
- Arthritis48%
- Heart failure46%
- Ischemic heart disease38%
- Atrial fibrillation27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zaitoun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
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. Keith Zaitoun wrote 777 Medicare Part D claims in 2024
In 2024, Dr. Zaitoun wrote 777 Medicare Part D claims for 182 patients. 83% of them were for generic drugs. CMS names the drug for 615 of them, across 19 drugs with 11 or more claims each, at $158,248 in total drug cost. In 2023, CMS named 621 claims across 21 drugs.
Dr. Zaitoun's Part D claims by kind of drug, 2024
- Generic644 claims83%
- Brand-name133 claims17%
Dr. Zaitoun'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: 6212024: 6151%
Drugs named by CMS: 19 in 2024, 21 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. Keith Zaitoun scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Zaitoun for performance year 2024, reported individually. Dr. Zaitoun accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Zaitoun's MIPS scores, performance year 2024
- 93of 100Final score
- 75.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 84of 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. Keith Zaitoun received $1,711 in industry payments from 2016 to 2025
CMS Open Payments shows 94 general payments to Dr. Zaitoun from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. Amgen Inc. paid the most, $183.
General payments to Dr. Zaitoun by program year, 2016 to 2025
General payments to Dr. Zaitoun by kind, 2016 to 2025
- Food and beverage$1,57492%
- Education$1378%
Companies that paid Dr. Zaitoun 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. Keith Zaitoun graduated from University of Virginia School of Medicine
Dr. Zaitoun graduated from University of Virginia School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Keith Zaitoun'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 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) |
| 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. Keith Zaitoun
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. Keith Zaitoun's NPI number?
Dr. Keith Zaitoun's NPI number is 1679567820. It was assigned on September 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Keith Zaitoun?
Dr. Keith Zaitoun is a nephrologist in Portsmouth, Virginia. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Keith Zaitoun practice?
Dr. Zaitoun practices at 3235 Academy Ave, Portsmouth, VA 23703. Dr. Zaitoun's primary practice is Greater Portsmouth in Portsmouth, Virginia. Dmand AI also links Dr. Zaitoun to 5 hospitals, 5 dialysis centers and 1 group practice or clinic.
What is Dr. Keith Zaitoun's office phone number?
The practice phone on file for Dr. Zaitoun is (757) 530-7461.
What is Dr. Keith Zaitoun's medical license number?
Dr. Zaitoun holds Virginia license 0101039811.
Which hospitals is Dr. Keith Zaitoun affiliated with?
Dr. Zaitoun is affiliated with Bon Secours Maryview Medical Center. Dmand AI links Dr. Zaitoun to 5 more hospitals.
What medical group is Dr. Keith Zaitoun part of?
Dr. Zaitoun is linked to Portsmouth Nephrology.
Does Dr. Keith Zaitoun accept Medicare?
Yes. CMS data shows Dr. Zaitoun billed Medicare for 6,382 services in 2024, and Dr. Zaitoun accepts Medicare assignment.
What is Dr. Keith Zaitoun's MIPS score?
Dr. Zaitoun's MIPS final score for performance year 2024 is 93 out of 100, reported individually.
How many Medicare patients does Dr. Keith Zaitoun see?
CMS counts 372 Medicare patients who saw Dr. Zaitoun in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Keith Zaitoun bill to Medicare?
In 2024, Dr. Zaitoun's most billed Medicare services were care management and other visits (99458), care management and other visits (99439) and care management and other visits (99457).
Where did Dr. Keith Zaitoun go to medical school?
Dr. Zaitoun graduated from University of Virginia School of Medicine in 1985.
What drugs does Dr. Keith Zaitoun prescribe most?
In 2024 Medicare Part D data, Dr. Zaitoun's most prescribed drugs by claims were Amlodipine Besylate, Farxiga and Hydralazine HCl.
Has Dr. Keith Zaitoun received payments from drug or device companies?
CMS Open Payments shows $1,711 in general payments to Dr. Zaitoun from 24 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Keith Zaitoun been practicing?
Dr. Zaitoun graduated from medical school in 1985, 41 years ago.
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