Dr. Rayan J. Najjar, MD, MPH
- Medicare services, 2024
- 36
- Medicare patients, 2024
- 29
- Part D claims, 2024
- 168
- Publications
- 12
- MIPS score, 2024
- 94
- Practice address
- 1959 NE Pacific St Box 356151, Seattle, WA 98195
- Practice phone
- Call (206) 598-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Najjar'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. Rayan J. Najjar is a rheumatologist in Seattle, Washington
Dr. Najjar practices at UW Medical Center - Montlake in Seattle, Washington, part of University of Washington.
Dr. Najjar's NPI, 1750817672, was assigned on May 11, 2017. Dr. Najjar holds Washington license MD61048530.
- NPI
- 1750817672NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658701800
- NPI enumeration date
- May 11, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (206) 598-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rayan J. Najjar practices at UW Medical Center - Montlake in Seattle, Washington
Dr. Najjar's primary practice is UW Medical Center - Montlake, at 1959 NE Pacific St Box 356151, Seattle, WA 98195 in King County. The practice phone is (206) 598-3300.
- UW Medical Center - Montlake1959 NE Pacific St Box 356151, Seattle, WA 98195 · King CountyPhone(206) 598-3300
Source: Dmand AI Affiliation Data
Dr. Rayan J. Najjar is affiliated with 4 sites of care and 1 medical group
Dr. Najjar's primary practice is UW Medical Center - Montlake in Seattle, Washington, part of University of Washington. The medical group on file is UW Physicians. Dmand AI also links Dr. Najjar to 1 more hospital, 1 group practice or clinic and 1 hospital outpatient department, 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. Rayan J. Najjar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Najjar practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UW Medical Center - Montlake | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rayan J. Najjar is one of 156 rheumatologists in Washington
Rheumatology is Dr. Najjar's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Najjar is licensed in Washington.
Specialties and state licenses
- Rheumatology, WashingtonPrimary
Rheumatologists near Dr. Najjar
Counts of rheumatologists 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. Rayan J. Najjar billed Medicare for 36 services in 2024
CMS data shows 36 Medicare services from Dr. Najjar across 2 procedure codes in 2024, for 29 Medicare patients. Medicare paid $1,526 for them. Every service was in an office.
Dr. Najjar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 02024: 18
- Office and hospital visits
- 2023: 292024: 1838%
Dr. Najjar compared with the Washington median for rheumatologists, 2024
- Dr. Najjar
- Washington median
- Medicare services
- 36vs 76395% below
- Medicare patients
- 29vs 20486% below
- Part D claims
- 96vs 92890% below
Medians across 159 rheumatologists in Washington with Dmand AI profiles that report each measure.
Dr. Najjar'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. Rayan J. Najjar treated 29 Medicare patients in 2024, average age 69
CMS counts 29 Medicare patients who saw Dr. Najjar in 2024. The largest group is 65 to 74, with 16 patients. 59% of them have high blood pressure, and 59% have high cholesterol. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Najjar's median patient age at 52, with 66% women.
Dr. Najjar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Najjar's Medicare patients, 2024
- High blood pressure59%
- High cholesterol59%
- Arthritis52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Najjar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rayan J. Najjar wrote 168 Medicare Part D claims in 2024
In 2024, Dr. Najjar wrote 168 Medicare Part D claims for 29 patients. 93% of them were for generic drugs. CMS names the drug for 96 of them, across 3 drugs with 11 or more claims each, at $2,194 in total drug cost. In 2023, CMS named 109 claims across 5 drugs.
Dr. Najjar's Part D claims by kind of drug, 2024
- Generic157 claims93%
- Brand-name11 claims7%
Dr. Najjar'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: 1092024: 9612%
Drugs named by CMS: 3 in 2024, 5 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. Rayan J. Najjar scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Najjar for performance year 2024, reported through an alternative payment model (APM). Dr. Najjar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Najjar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Najjar's MIPS scores, performance year 2024
- 94of 100Final score
- 74.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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. Rayan J. Najjar has 12 publications on record
Dmand AI links 12 papers to Dr. Najjar, published from 2022 to 2024. 2023 was the busiest year, with 4. The most frequent topics are Lupus Erythematosus, Systemic, Neutrophils and Arthritis, Rheumatoid. Dr. Najjar has published most often in ACR Open Rheumatol. Dr. Najjar's most frequent co-authors are Alison Marie Bays, MD, Grant C. Hughes, MD and Kennedy Chima Ukadike, MD.
Dr. Najjar's papers by year, 2022 to 2024
Topics Dr. Najjar writes about most
- Lupus Erythematosus, Systemic
- Neutrophils
- Arthritis, Rheumatoid
- Autoantibodies
Dr. Najjar's most frequent co-authors
- Alison Marie Bays, MD7 shared papers
- Grant C. Hughes, MD2 shared papers
- Kennedy Chima Ukadike, MD2 shared papers
Recent publications by Dr. Najjar
See who Dr. Najjar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Najjar works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Rayan J. Najjar'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Rayan J. Najjar
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. Rayan J. Najjar's NPI number?
Dr. Rayan J. Najjar's NPI number is 1750817672. It was assigned on May 11, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Rayan J. Najjar?
Dr. Rayan J. Najjar is a rheumatologist in Seattle, Washington. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Rayan J. Najjar practice?
Dr. Najjar practices at 1959 NE Pacific St Box 356151, Seattle, WA 98195. Dr. Najjar's primary practice is UW Medical Center - Montlake in Seattle, Washington, part of University of Washington. Dmand AI also links Dr. Najjar to 1 hospital, 1 group practice or clinic and 1 hospital outpatient department.
What is Dr. Rayan J. Najjar's office phone number?
The practice phone on file for Dr. Najjar is (206) 598-3300.
What is Dr. Rayan J. Najjar's medical license number?
Dr. Najjar holds Washington license MD61048530.
Which hospitals is Dr. Rayan J. Najjar affiliated with?
Dr. Najjar practices at UW Medical Center - Montlake in Seattle, Washington. Dmand AI links Dr. Najjar to 1 more hospital.
What medical group is Dr. Rayan J. Najjar part of?
Dr. Najjar is linked to UW Physicians.
Does Dr. Rayan J. Najjar accept Medicare?
Yes. CMS data shows Dr. Najjar billed Medicare for 36 services in 2024, and Dr. Najjar accepts Medicare assignment.
Does Dr. Rayan J. Najjar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Najjar as offering telehealth services.
What is Dr. Rayan J. Najjar's MIPS score?
Dr. Najjar's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Rayan J. Najjar see?
CMS counts 29 Medicare patients who saw Dr. Najjar in 2024, with an average age of 69.
What services does Dr. Rayan J. Najjar bill to Medicare?
In 2024, Dr. Najjar's most billed Medicare services were office visit, established patient (99214) and medicare service (G2211).
What drugs does Dr. Rayan J. Najjar prescribe most?
In 2024 Medicare Part D data, Dr. Najjar's most prescribed drugs by claims were Methotrexate, Prednisone and Mycophenolate Mofetil.
How long has Dr. Rayan J. Najjar been practicing?
Dr. Najjar graduated from medical school in 2007, 19 years ago.
Does Dr. Rayan J. Najjar do research?
Dmand AI links 12 publications to Dr. Najjar, published from 2022 to 2024.
Who does Dr. Rayan J. Najjar publish with?
Dr. Najjar's most frequent co-authors are Alison Marie Bays, MD (7 shared papers), Grant C. Hughes, MD (2 shared papers) and Kennedy Chima Ukadike, MD (2 shared papers).
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