Gulreen Kassoo
Emergency Medicine Physician · Klamath Falls, OR
Gulreen Kassoo is an emergency medicine physician with a practice address in Klamath Falls, Oregon, and NPI 1851928006, issued on Mar 26, 2020. Check the license (Oregon DO215166, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gulreen Kassoo
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- DO215166 OR
DO3296 NV
Self-reported in NPPES; status is on the state search - Practice location
- 2865 Daggett Ave, Klamath Falls, OR 97601
- Phone
- (541) 274-6556
- Enumerated
- Mar 26, 2020
- Record last updated
- Feb 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20230817001204); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,079 in Oregon → Look up another NPI →
Also registered at 2865 Daggett Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tahlia Aarstad, PHARMDPharmacist1972928117
- Monna Alwine, NURSE PRACTITICIONERAdult Health Nurse Practitioner1215415708
- Mychal Amos, PHARMDPharmacist1992878318
- Jessica Atchley, BSN, RNStudent in an Organized Health Care Education/Training Program1649127937
- Merri Barber, BSN, RN, IBCLCLactation Consultant (Registered Nurse)1073138814
- Susan Barnes, MDAnesthesiology Physician1235210881
Verify Gulreen Kassoo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO215166Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average emergency medicine physician in 2024
244 Medicare Part D claims for 157 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Prednisone23 claims
- Amoxicillin-Clavulanate Potass22 claims
- Cephalexin21 claims
- Doxycycline Hyclate18 claims
- Meloxicam15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Sky Lakes Medical Center IncKlamath Falls, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gulreen Kassoo among 1,079 emergency medicine physician records in Oregon
Gulreen Kassoo is one of 1,079 emergency medicine physician records with a practice address in Oregon. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 90% of them.
- NPI issued2020 · 90% of these records are older, 6% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2020 · median 2013 among the 557 with a school on file
- Record last updated2024 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 emergency medicine physician records list a practice address in Klamath Falls
They are 19 of the 1,946 NPPES records with a practice address in Klamath Falls, and 1,079 emergency medicine physician records in Oregon.
All 1,079 in Oregon → Every provider in Klamath Falls → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- J Brunswick, M.D.Klamath Falls, OR 976011902864275
- Konrad Eppel, MDKlamath Falls, OR 976011669449120
- Brendan Fowler, DOKlamath Falls, OR 976011609225283
- Wade Fox, DOKlamath Falls, OR 976011881700300
- Jakob Freid, M.D.Klamath Falls, OR 976011477750347
- William Fridinger, M.D.Klamath Falls, OR 976011962667634
- Kevin Lepard, MDKlamath Falls, OR 976011760403026
- Robert Melton, MDKlamath Falls, OR 976011770741027
Common questions
What is Gulreen Kassoo's NPI number?
Gulreen Kassoo's National Provider Identifier (NPI) is 1851928006, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gulreen Kassoo located?
The NPPES record lists a practice address at 2865 Daggett Ave, Klamath Falls, OR, 97601. Phone: (541) 274-6556. Providers update this record themselves, so call before visiting.
How can I verify Gulreen Kassoo's license?
NPPES lists Oregon license number DO215166, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gulreen Kassoo prescribe under Medicare Part D?
In 2024, Gulreen Kassoo had 244 Medicare Part D claims for 157 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.