Cassandra Mueller, PA-C
Physician Assistant · Washington, DC
Cassandra Mueller, PA-C is a physician assistant with a practice address in Washington, District of Columbia, and NPI 1205251816, issued on Feb 19, 2014. Check the license (District of Columbia PA200002057, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassandra Mueller
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA200002057 DC
0110007636 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2401 E St NW SA-1 Suite L201, Washington, DC 20522
- Phone
- (571) 438-1383
- Enumerated
- Feb 19, 2014
- Record last updated
- Mar 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20250108004287); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 558 in District of Columbia → Look up another NPI →
Verify Cassandra Mueller 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 PA200002057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 92.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Inova Health Care ServicesLeesburg, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassandra Mueller among 558 physician assistant records in District of Columbia
Cassandra Mueller, PA-C 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 2014, is newer than 39% of them.
- NPI issued2014 · 39% of these records are older, 57% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2013 · 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
- James Bird, PA-CWashington, DC 205221609976125
- Sarah Callinan, P.A. - CWashington, DC 205221306956115
- Emma Calvert, PA-CWashington, DC 205221033349808
- Aye Diallo, PAWashington, DC 205221790913564
- Jennifer Eubank, PA-CWashington, DC 205221669555652
- Eve Gower, PAWashington, DC 205221316906183
- Cheryl Green, PA-CWashington, DC 205221366563496
- Wesley Jones, PA-CWashington, DC 205221548282908
Common questions
What is Cassandra Mueller, PA-C's NPI number?
Cassandra Mueller, PA-C's National Provider Identifier (NPI) is 1205251816, issued on Feb 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra Mueller, PA-C located?
The NPPES record lists a practice address at 2401 E St NW SA-1 Suite L201, Washington, DC, 20522. Phone: (571) 438-1383. Providers update this record themselves, so call before visiting.
How can I verify Cassandra Mueller, PA-C's license?
NPPES lists District of Columbia license number PA200002057, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
What is Cassandra Mueller, PA-C's MIPS final score?
The 2023 MIPS final score is 92.9 of 100. 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.