Registry data as of Aug 27, 2026

Cynthia Brownfield, MD

Internal Medicine Physician · Saint Joseph, MO

Cynthia Brownfield, MD is an internal medicine physician with a practice address in Saint Joseph, Missouri, and NPI 1326049982, issued on Aug 4, 2005. Check the license (Missouri 2003007568, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1326049982
Name
Cynthia Brownfield
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2003007568 MO
Self-reported in NPPES; status is on the state search
Practice location
711 N 36TH St, Saint Joseph, MO 64506
Phone
(816) 271-8120
Enumerated
Aug 4, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 711 N 36TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Thomas Alderson, M.DFamily Medicine Physician1053356097
  2. Charles Mullican, M.D.Internal Medicine Physician1275847642
  3. Timothy Murphy, M.D.Pediatric Adolescent Medicine Physician1508926320
  4. Alicia Palitto, MSN, ARNP, FNP-BCNurse Practitioner1669440996
  5. Whitney Simmons, FNPFamily Nurse Practitioner1467721431
  6. Rhea Williams, FNPFamily Nurse Practitioner1861612657

Verify Cynthia Brownfield in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2003007568
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

2.6 times the Medicare Part D claims of the average internal medicine physician in 2024

7,272 Medicare Part D claims for 513 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 315 claims were for opioids.

  1. Cynthia Brownfield7,272
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium540 claims
  2. Levothyroxine Sodium350 claims
  3. Rosuvastatin Calcium266 claims
  4. Amlodipine Besylate264 claims
  5. Lisinopril222 claims
  6. Celecoxib193 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 Medicare quality score for 2023: 76.9 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.

  1. Qualityout of 100 · 30% of the final score66.5
  2. Costout of 100 · 30%56.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Heartland Regional Medical CenterSt Joseph, MO

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

53 internal medicine physician records list a Saint Joseph practice address

They are 53 of the 1,219 NPPES records with a Saint Joseph practice address, and 3,392 internal medicine physician records in Missouri.

Other internal medicine physician records in Missouri

  1. Betty Abban, M.D.Springfield, MO1063893162
  2. Amer Abbas, MDSaint Louis, MO1508480666
  3. Marghoob Abbas, M.D.St Joseph, MO1588603781
  4. Muhammad Khalid Abbas, M.D.Springfield, MO1447877089
  5. Sundas Abbas, MDRichmond Heights, MO1649790486
  6. Hajira Abbasi, DOSaint Louis, MO1194036947
  7. Mohammed Abbasi, MDSaint Louis, MO1497097083
  8. Catey Abbott, DOSaint Louis, MO1699355347
  9. David Abbott, MDRichmond Heights, MO1568448850
  10. Ramzi Abboud, MDSaint Louis, MO1649684200

Common questions

What is Cynthia Brownfield, MD's NPI number?

Cynthia Brownfield, MD's National Provider Identifier (NPI) is 1326049982, issued on Aug 4, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Brownfield, MD located?

The NPPES record lists a practice address at 711 N 36TH St, Saint Joseph, MO, 64506. Phone: (816) 271-8120. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Brownfield, MD's license?

NPPES lists Missouri license number 2003007568, 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 Cynthia Brownfield, MD prescribe under Medicare Part D?

In 2024, Cynthia Brownfield, MD had 7,272 Medicare Part D claims for 513 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Cynthia Brownfield, MD's Medicare quality score?

The 2023 MIPS final score is 76.9 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.