Samuel Casey Morrison
Physician Assistant · Washington, DC
Samuel Casey Morrison is a physician assistant with a practice address in Washington, District of Columbia, and NPI 1518459049, issued on May 31, 2018. Check the license (District of Columbia PA031489, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Samuel Casey Morrison
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA031489 DC
PA09119529 FL
Self-reported in NPPES; status is on the state search - Practice location
- 2041 Georgia Ave NW, Washington, DC 20059
- Phone
- (202) 865-6100
- Enumerated
- May 31, 2018
- Record last updated
- Jun 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20180911000480); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 558 in District of Columbia → Look up another NPI →
Also registered at 2041 Georgia Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Naeema Ahmed, PA-CPhysician Assistant1417441940
- Husain Alshaikh, MDStudent in an Organized Health Care Education/Training Program1669977260
- Blain BelaynehPhysician Assistant1518451053
- Natasha HaddadPsychiatry Physician1235636093
- Muhammad Masood HassanStudent in an Organized Health Care Education/Training Program1477905628
- Erica HowardStudent in an Organized Health Care Education/Training Program1740787381
Verify Samuel Casey Morrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
Search for license PA031489Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average physician assistant in 2024
350 Medicare Part D claims for 184 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 40 claims were for opioids.
Most prescribed
- Prednisone40 claims
- Ibuprofen24 claims
- Oxycodone-Acetaminophen23 claims
- Amoxicillin-Clavulanate Potass22 claims
- Azithromycin22 claims
- Tramadol Hcl15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $73.20
3 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Privia Medical Group, LLCArlington, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samuel Casey Morrison among 558 physician assistant records in District of Columbia
Samuel Casey Morrison is one of 558 physician assistant records with a practice address in District of Columbia. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 53% of them.
- NPI issued2018 · 53% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2018 · median 2019 among the 262 with a school on file
- Record last updated2025 · 39% 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 District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
552 physician assistant records list a practice address in Washington
They are 552 of the 45,857 NPPES records with a practice address in Washington, and 558 physician assistant records in District of Columbia.
All 558 in District of Columbia → Every provider in Washington → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Naeema Ahmed, PA-CWashington, DC 200591417441940
- Blain BelaynehWashington, DC 200591518451053
- Elisabeth Alison, PA-CWashington, DC 200601952074957
- Marjan Ameri, PA-CWashington, DC 200601942575469
- Ashley Bohrer, PA-CWashington, DC 200601497305163
- Lindsay Christ, PA-CWashington, DC 200601871135038
- Paul Kasemphantai, STUDENTWashington, DC 200601790226181
- Jordan Kipp, PA-CWashington, DC 200601043995137
Common questions
What is Samuel Casey Morrison's NPI number?
Samuel Casey Morrison's National Provider Identifier (NPI) is 1518459049, issued on May 31, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Casey Morrison located?
The NPPES record lists a practice address at 2041 Georgia Ave NW, Washington, DC, 20059. Phone: (202) 865-6100. Providers update this record themselves, so call before visiting.
How can I verify Samuel Casey Morrison's license?
NPPES lists District of Columbia license number PA031489, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
How much does Samuel Casey Morrison prescribe under Medicare Part D?
In 2024, Samuel Casey Morrison had 350 Medicare Part D claims for 184 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Samuel Casey Morrison's MIPS final score?
The 2023 MIPS final score is 89.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.