NPPES file of Aug 9, 2026

Cassandra Brownson Grieb, PA-C

Medical Physician Assistant · Nashville, TN

Cassandra Brownson Grieb, PA-C is a medical physician assistant with a practice address in Nashville, Tennessee, and NPI 1710231311, issued on Nov 4, 2012. Check the license (Tennessee 2206, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710231311
Name
Cassandra Brownson Grieb
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
2206 TN
Self-reported in NPPES; status is on the state search
Practice location
1900 Patterson St, Nashville, TN 37203
Phone
(615) 329-0341
Enumerated
Nov 4, 2012
Record last updated
Nov 4, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220705001577); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1900 Patterson St

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

  1. Jeffrey Butts, DDSDentist1033434428
  2. David Horowitz, M.D.Dermatology Physician1225089097
  3. Sherman House, D.D.S.General Practice Dentistry1184940702
  4. Daniel Johnston, PA-CPhysician Assistant1538311717
  5. Harvey Latimer, D. D. S.General Practice Dentistry1457349409
  6. Wendy Mangialardi, MDInfectious Disease Physician1285616821

Verify Cassandra Brownson Grieb in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 2206
    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
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97% fewer Medicare Part D claims than the average medical physician assistant in 2024

36 Medicare Part D claims for 19 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.

  1. Cassandra Grieb36
  2. Specialty average1,148

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.

Industry payments in 2024: $1,163.86

54 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cassandra Grieb$1,163.86
  2. Specialty average$1,055.00

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

  1. Davishire Dermatology LLCNashville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Medical Physician Assistant providers in Tennessee

There are 616 medical physician assistant records in Tennessee.

Other medical physician assistant records in Tennessee

  1. Denise Abel, PADandridge, TN1598853616
  2. Gene Adams, PACookeville, TN1508961301
  3. Leslie Adams, PA-CKnoxville, TN1023342441
  4. Joyce Addo, MSPASHumboldt, TN1871881920
  5. Kristi Albergo, PA-CNashville, TN1699228551
  6. Charles Aldrich, PA-CJackson, TN1235464918
  7. Marty Alexander, PASavannah, TN1144483017
  8. Britni Allan, PA-CKnoxville, TN1487969077
  9. Thomas Alleva, PA-CJackson, TN1699122879
  10. Abigail Alley, PA-CGreeneville, TN1396435632

Common questions

What is Cassandra Brownson Grieb, PA-C's NPI number?

Cassandra Brownson Grieb, PA-C's National Provider Identifier (NPI) is 1710231311, issued on Nov 4, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Brownson Grieb, PA-C located?

The NPPES record lists a practice address at 1900 Patterson St, Nashville, TN, 37203. Phone: (615) 329-0341. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Brownson Grieb, PA-C's license?

NPPES lists Tennessee license number 2206, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Cassandra Brownson Grieb, PA-C prescribe under Medicare Part D?

In 2024, Cassandra Brownson Grieb, PA-C had 36 Medicare Part D claims for 19 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.