NPPES file of Aug 9, 2026

Cassandra Shea Gilliam, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Macon, GA

Cassandra Shea Gilliam, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Macon, Georgia, and NPI 1639652829, issued on Sep 13, 2018. Check the license (Georgia RN171251, as entered in NPPES) with the Georgia 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
1639652829
Name
Cassandra Shea Gilliam
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
RN171251 GA
APRN11037013 FL
53-84213-062 KS
14205407-4405 UT
AP61651272 WA
Self-reported in NPPES; status is on the state search
Practice location
135 Macon West Dr, Macon, GA 31210
Phone
(478) 496-4896
Enumerated
Sep 13, 2018
Record last updated
Dec 9, 2025
Fax
(478) 389-0204
Medicare enrollment
Enrolled (PECOS I20251204003846); may accept 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 135 Macon West Dr

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

  1. Cynthia PooleSocial Worker1205242781

Verify Cassandra Shea Gilliam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Georgia board licenses this profession
    Search for license RN171251
    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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8% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

832 Medicare Part D claims for 65 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Cassandra Gilliam832
  2. Specialty average906

Most prescribed

  1. Buspirone Hcl90 claims
  2. Duloxetine Hcl80 claims
  3. Lamotrigine71 claims
  4. Quetiapine Fumarate53 claims
  5. Sertraline Hcl46 claims
  6. Trazodone Hcl45 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.

Industry payments in 2024: $431.67

19 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cassandra Gilliam$431.67
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Cassandra Shea Gilliam among 1,381 psychiatric/mental health nurse practitioner records in Georgia

Cassandra Shea Gilliam, PMHNP-BC is one of 1,381 psychiatric/mental health nurse practitioner records with a practice address in Georgia. 61% 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 26% of them.

  • NPI issued2018 · 26% of these records are older, 69% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2022 · median 2021 among the 616 with a school on file
  • Record last updated2025 · 15% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Georgia

There are 1,381 psychiatric/mental health nurse practitioner records in Georgia.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Darci GrunettMacon, GA 312101972427524
  2. Fridea Jenkins, MSN, APRN, PMHNP-CMacon, GA 312101174489603
  3. Briana Manley-Hall, PMHNPMacon, GA 312101780168203
  4. Nellie Samuel, MSN, APRN,PMHNP-BCMacon, GA 312101821344557
  5. Jenny Yancey, PMHNPMacon, GA 312101457684821
  6. Kenyotter WhippleMacon, GA 312111356755128
  7. Siobhan OriaifoMacon, GA 312061881217883
  8. Hayley Edmonston, PMHNP-BCMacon, GA 312041346749926

Common questions

What is Cassandra Shea Gilliam, PMHNP-BC's NPI number?

Cassandra Shea Gilliam, PMHNP-BC's National Provider Identifier (NPI) is 1639652829, issued on Sep 13, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Shea Gilliam, PMHNP-BC located?

The NPPES record lists a practice address at 135 Macon West Dr, Macon, GA, 31210. Phone: (478) 496-4896. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Shea Gilliam, PMHNP-BC's license?

NPPES lists Georgia license number RN171251, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.

How much does Cassandra Shea Gilliam, PMHNP-BC prescribe under Medicare Part D?

In 2024, Cassandra Shea Gilliam, PMHNP-BC had 832 Medicare Part D claims for 65 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.