Dr. Claire T. Kassakian, MD
- Medicare services, 2024
- 2,056
- Medicare patients, 2024
- 312
- Part D claims, 2024
- 1,760
- Publications
- 1
- Hospital affiliations
- 5
- Practice address
- 1130 Nw 22nd Ave, Portland, OR 97210
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ngc Endoscopy Services, LLC - HOPD
Acute Care Hospital outpatient department · Portland, Oregon
Find Dr. Kassakian'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. Claire T. Kassakian is a nephrologist in Portland, Oregon
Dr. Kassakian practices at Ngc Endoscopy Services, LLC - HOPD in Portland, Oregon.
Dr. Kassakian's NPI, 1316172984, was assigned on May 26, 2009. Dr. Kassakian graduated from Warren Alpert Medical School of Brown University in 2009. Dr. Kassakian holds Oregon license MD167522.
- NPI
- 1316172984NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224253950
- NPI enumeration date
- May 26, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- 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. Claire T. Kassakian practices at Ngc Endoscopy Services, LLC - HOPD in Portland, Oregon
Dr. Kassakian's primary practice is Ngc Endoscopy Services, LLC - HOPD, at 1130 Nw 22nd Ave, Portland, OR 97210.
- Ngc Endoscopy Services, LLC - HOPD1130 Nw 22nd Ave, Portland, OR 97210
Source: Dmand AI Affiliation Data
Dr. Claire T. Kassakian is affiliated with 12 sites of care and 1 medical group
Dr. Kassakian's primary practice is Ngc Endoscopy Services, LLC - HOPD in Portland, Oregon. Dr. Kassakian is also affiliated with OHSU Hospital. The medical group on file is Northwest Renal Clinic. Dmand AI also links Dr. Kassakian to 4 more hospitals, 4 dialysis centers, 1 group practice or clinic and 1 ambulatory surgery center, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Claire T. Kassakian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kassakian practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ngc Endoscopy Services, LLC - HOPD | Available with a free account |
| +11 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Claire T. Kassakian is one of 127 nephrologists in Oregon
Nephrology is Dr. Kassakian's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Kassakian is licensed in Oregon.
Specialties and state licenses
- Nephrology, OregonPrimary
Nephrologists near Dr. Kassakian
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. Claire T. Kassakian billed Medicare for 2,056 services in 2024
CMS data shows 2,056 Medicare services from Dr. Kassakian across 21 procedure codes in 2024, for 312 Medicare patients. Medicare paid $102,764 for them.
Dr. Kassakian's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 8242024: 1,00222%
- Office and hospital visits
- 2023: 4022024: 63157%
- Tests and treatments
- 2023: 3212024: 36915%
- Lab and pathology
- 2023: 682024: 5421%
- Surgery
- 2023: 212024: 0100%
Where Dr. Kassakian's Medicare services took place, 2024
- In an office1,54375%
- In a facility51325%
Dr. Kassakian compared with the Oregon median for nephrologists, 2024
- Dr. Kassakian
- Oregon median
- Medicare services
- 2,056vs 4904.2 times
- Medicare patients
- 312vs 20354% above
- Part D claims
- 1,556vs 99656% above
Medians across 130 nephrologists in Oregon with Dmand AI profiles that report each measure.
Dr. Kassakian'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.
Need commercial claims for Dr. Kassakian?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kassakian and other nephrologists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Claire T. Kassakian treated 312 Medicare patients in 2024, average age 70
CMS counts 312 Medicare patients who saw Dr. Kassakian in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 29% are also on Medicaid. Their average risk score is 4.44, 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. Kassakian's median patient age at 68, with 49% women.
Dr. Kassakian's Medicare patients by age, 2024
Dr. Kassakian's Medicare patients by sex, 2024
- Women14446%
- Men16854%
Chronic conditions among Dr. Kassakian's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes62%
- Heart failure52%
- Arthritis40%
- Ischemic heart disease40%
- Mood disorders36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kassakian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Claire T. Kassakian wrote 1,760 Medicare Part D claims in 2024
In 2024, Dr. Kassakian wrote 1,760 Medicare Part D claims for 331 patients. 88% of them were for generic drugs. CMS names the drug for 1,556 of them, across 39 drugs with 11 or more claims each, at $161,720 in total drug cost. In 2023, CMS named 936 claims across 28 drugs.
Dr. Kassakian's Part D claims by kind of drug, 2024
- Generic1,550 claims88%
- Brand-name210 claims12%
Dr. Kassakian'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. Kassakian's Part D claims, 2024
- Antibiotics3%59 of 1,760 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: 9362024: 1,55666%
Drugs named by CMS: 39 in 2024, 28 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. Claire T. Kassakian offers telehealth to Medicare patients
Dr. Kassakian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kassakian as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Claire T. Kassakian has 1 publication on record
Dmand AI links 1 paper to Dr. Kassakian in 2015. Dr. Kassakian's most frequent co-author is George P. Bayliss, MD.
Dr. Kassakian's most frequent co-authors
Recent publications by Dr. Kassakian
See who Dr. Kassakian researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kassakian works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Claire T. Kassakian received $352 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Kassakian from 8 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, $122.
General payments to Dr. Kassakian by program year, 2016 to 2025
General payments to Dr. Kassakian by kind, 2016 to 2025
- Food and beverage$31188%
- Education$4112%
Companies that paid Dr. Kassakian 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. Claire T. Kassakian graduated from Warren Alpert Medical School of Brown University
Dr. Kassakian graduated from Warren Alpert Medical School of Brown University in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Claire T. Kassakian'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Claire T. Kassakian
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. Claire T. Kassakian's NPI number?
Dr. Claire T. Kassakian's NPI number is 1316172984. It was assigned on May 26, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Claire T. Kassakian?
Dr. Claire T. Kassakian is a nephrologist in Portland, Oregon. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Claire T. Kassakian practice?
Dr. Kassakian practices at 1130 Nw 22nd Ave, Portland, OR 97210. Dr. Kassakian's primary practice is Ngc Endoscopy Services, LLC - HOPD in Portland, Oregon. Dmand AI also links Dr. Kassakian to 4 hospitals, 4 dialysis centers, 1 group practice or clinic and 1 ambulatory surgery center.
What is Dr. Claire T. Kassakian's medical license number?
Dr. Kassakian holds Oregon license MD167522.
Which hospitals is Dr. Claire T. Kassakian affiliated with?
Dr. Kassakian is affiliated with OHSU Hospital. Dmand AI links Dr. Kassakian to 4 more hospitals.
What medical group is Dr. Claire T. Kassakian part of?
Dr. Kassakian is linked to Northwest Renal Clinic.
Does Dr. Claire T. Kassakian accept Medicare?
Yes. CMS data shows Dr. Kassakian billed Medicare for 2,056 services in 2024, and Dr. Kassakian accepts Medicare assignment.
Does Dr. Claire T. Kassakian offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kassakian as offering telehealth services.
How many Medicare patients does Dr. Claire T. Kassakian see?
CMS counts 312 Medicare patients who saw Dr. Kassakian in 2024, with an average age of 70.
What services does Dr. Claire T. Kassakian bill to Medicare?
In 2024, Dr. Kassakian's most billed Medicare services were medicare temporary code (Q5106), hospital inpatient care (99233) and dialysis (90935).
Show 6 more questionsShow fewer questions
Where did Dr. Claire T. Kassakian go to medical school?
Dr. Kassakian graduated from Warren Alpert Medical School of Brown University in 2009.
What drugs does Dr. Claire T. Kassakian prescribe most?
In 2024 Medicare Part D data, Dr. Kassakian's most prescribed drugs by claims were Lisinopril, Carvedilol and Losartan Potassium.
Has Dr. Claire T. Kassakian received payments from drug or device companies?
CMS Open Payments shows $352 in general payments to Dr. Kassakian from 8 companies from 2016 to 2025. The largest total came from Relypsa, Inc.
How long has Dr. Claire T. Kassakian been practicing?
Dr. Kassakian graduated from medical school in 2009, 17 years ago.
Does Dr. Claire T. Kassakian do research?
Dmand AI links 1 publication to Dr. Kassakian.
Who does Dr. Claire T. Kassakian publish with?
Dr. Kassakian's most frequent co-authors are George P. Bayliss, MD (1 shared paper).
Selling to nephrology practices?
See nephrologists in Oregon by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card