Cassandra L. Brewster, MD
Family Medicine Physician · Harrisonville, MO
Cassandra L. Brewster, MD is a family medicine physician with a practice address in Harrisonville, Missouri, and NPI 1801826193, issued on Jul 3, 2006. Check the license (Missouri 2005036189, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Cassandra L. Brewster
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2005036189 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2820 E Rock Haven RD Ste 210, Harrisonville, MO 64701
- Phone
- (816) 380-7470
- Enumerated
- Jul 3, 2006
- Record last updated
- Apr 6, 2026
- Fax
- (816) 710-8818
- Medicaid ID
- 207346206 MO
- Medicare enrollment
- Enrolled (PECOS I20060207000444); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Also registered at 2820 E Rock Haven RD Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Teresa Gallagher-Calia, M.D.Family Medicine Physician1215952197
- Jackie Kumm, F.N.P.Family Nurse Practitioner1194959510
- Melinda Lacy, RN, FNP-BCFamily Nurse Practitioner1982005146
- Carmen PhelpsNurse Practitioner1780487124
- Crystal Wise, FNPFamily Nurse Practitioner1285599266
Verify Cassandra L. Brewster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2005036189Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average family medicine physician in 2024
10,121 Medicare Part D claims for 805 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 118 claims were for opioids.
Most prescribed
- Levothyroxine Sodium586 claims
- Atorvastatin Calcium545 claims
- Amlodipine Besylate500 claims
- Omeprazole375 claims
- Lisinopril351 claims
- Rosuvastatin Calcium348 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 MIPS final score for 2023 (Medicare payment program): 100 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).
Industry payments in 2024: $681.64
41 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
One hospital affiliation
- Cass Regional Medical CenterHarrisonville, MO · Critical Access Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Cassandra L. Brewster among 2,991 family medicine physician records in Missouri
Cassandra L. Brewster, MD is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2005 · median 2006 among the 1,778 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 family medicine physician records list a practice address in Harrisonville
They are 9 of the 229 NPPES records with a practice address in Harrisonville, and 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in Harrisonville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Samuel Brewster, M.D.Harrisonville, MO 647011962491274
- Jolie Chance, D.O.Harrisonville, MO 647011174754832
- Teresa Gallagher-Calia, M.D.Harrisonville, MO 647011215952197
- Shaun Holden, M.D.Harrisonville, MO 647011013933407
- Ruel Miciano, M.D.Harrisonville, MO 647011871580654
- Richard Price, M.D.Harrisonville, MO 647011043209166
- Alberto Suarez, M.D.Harrisonville, MO 647011043216344
- Damon Travis, D.O.Harrisonville, MO 647011578583852
Common questions
What is Cassandra L. Brewster, MD's NPI number?
Cassandra L. Brewster, MD's National Provider Identifier (NPI) is 1801826193, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra L. Brewster, MD located?
The NPPES record lists a practice address at 2820 E Rock Haven RD Ste 210, Harrisonville, MO, 64701. Phone: (816) 380-7470. Providers update this record themselves, so call before visiting.
How can I verify Cassandra L. Brewster, MD's license?
NPPES lists Missouri license number 2005036189, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cassandra L. Brewster, MD prescribe under Medicare Part D?
In 2024, Cassandra L. Brewster, MD had 10,121 Medicare Part D claims for 805 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Cassandra L. Brewster, MD's MIPS final score?
The 2023 MIPS final score is 100 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.