Casey Oman, PA-C
Physician Assistant · Sammamish, WA
Casey Oman, PA-C is a physician assistant with a practice address in Sammamish, Washington, and NPI 1053039149, issued on Aug 16, 2022. Check the license (Washington PA61478820, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Casey Oman
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA61478820 WA
Self-reported in NPPES; status is on the state search - Practice location
- 22850 NE 8TH St Ste 103, Sammamish, WA 98074
- Phone
- (425) 898-0305
- Enumerated
- Aug 16, 2022
- Record last updated
- Oct 16, 2023
- Fax
- (425) 898-8825
- Medicare enrollment
- Enrolled (PECOS I20231110001269); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2023
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 22850 NE 8TH St Ste 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brandon Smith, MSN, FNP-CPrimary Care Nurse Practitioner1326516600
- Linda Sterritt, ARNPNurse Practitioner1528458247
- Sainabou Wadda, DNP, ARNPPrimary Care Nurse Practitioner1871041988
- Madeleine Williams, ARNPPrimary Care Nurse Practitioner1659096683
Verify Casey Oman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA61478820Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average physician assistant in 2024
1,461 Medicare Part D claims for 497 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Atorvastatin Calcium99 claims
- Levothyroxine Sodium90 claims
- Lisinopril63 claims
- Rosuvastatin Calcium52 claims
- Losartan Potassium49 claims
- Metoprolol Succinate41 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
- King County Public Hospital District NO 2Bothell, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Casey Oman among 3,718 physician assistant records in Washington
Casey Oman, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 83% of them.
- NPI issued2022 · 83% of these records are older, 12% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2023 · median 2017 among the 2,460 with a school on file
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in Washington
There are 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Sammamish → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jeannie Chang, PA-C, MPASSammamish, WA 980751114088713
- Helen Corcoran, P.A.-C.Woodinville, WA 980721073701454
- Lisa Miner, P.A.C.Woodinville, WA 980721386692101
- Emilia Lewis, PA-CSnoqualmie, WA 980651144714643
- Katherine Stanton, PA-CSnoqualmie, WA 980651619709920
- Jesse Davis, BSLynnwood, WA 980871649887548
- Gerallynn Eusebio, PALynnwood, WA 980871063145522
- Kabir JamaliLynnwood, WA 980871013890102
Common questions
What is Casey Oman, PA-C's NPI number?
Casey Oman, PA-C's National Provider Identifier (NPI) is 1053039149, issued on Aug 16, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Casey Oman, PA-C located?
The NPPES record lists a practice address at 22850 NE 8TH St Ste 103, Sammamish, WA, 98074. Phone: (425) 898-0305. Providers update this record themselves, so call before visiting.
How can I verify Casey Oman, PA-C's license?
NPPES lists Washington license number PA61478820, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Casey Oman, PA-C prescribe under Medicare Part D?
In 2024, Casey Oman, PA-C had 1,461 Medicare Part D claims for 497 beneficiaries; the average among physician assistant prescribers was 830. 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.