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CASSANDRA SHEA GILLIAM PMHNP-BC
NPI 1639652829
Nurse Practitioner - Psychiatric/Mental Health in Macon, GA

Active since September 13, 2018PECOS Enrolled
135 MACON WEST DR, MACON, GA 31210(478) 496-4896(478) 389-0204 Get Directions Write a Review

NPPES record last updated: December 9, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 9, 2025, Dec 12, 2024, May 15, 2023 and 1 more (4 updates tracked since 2018).

About Cassandra Shea Gilliam Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CASSANDRA SHEA GILLIAM PMHNP-BC (NPI 1639652829) is an individual psychiatric/mental health provider in Macon, Georgia, licensed in Georgia (RN171251) and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Warner Robins, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1639652829
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameCASSANDRA SHEA GILLIAMCredential: PMHNP-BC
Location Address135 MACON WEST DRMacon, GA 31210-5652
Mailing Address1740 Rocky Creek Rd # 3822Macon, GA 31206-3585 · (478) 496-4896 · Fax (478) 389-0204
Phone(478) 496-4896
Fax(478) 389-0204
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateSeptember 13, 2018
Last NPPES UpdateDecember 9, 20254 updates tracked since enumeration
NPPES CertifiedDecember 9, 2025
✔ NPI 1639652829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses✔ Licensed in GA · RN171251✔ Licensed in KS · 53-84213-062✔ Licensed in FL · APRN11037013✔ Licensed in UT · 14205407-4405✔ Licensed in WA · AP61651272
135 MACON WEST DR, Macon, GA 31210
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Secondary Practice Location 1

Location 12052 Watson BlvdWarner Robins, GA 31093-3625 · Phone (478) 207-7773 · Fax (877) 299-6815

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Anthem Blue Cross and Blue Shield, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cassandra Shea Gilliam Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9537527866
PECOS Enrollment IDI20251204003846
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Cassandra Gilliam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Curtis Behavioral Health
15 mi
Psychiatric/Mental Health
2052 WATSON BLVD
Warner Robins, GA 31093
  • Reassigned Medicare billing, Georgia enrollment
  • 9 clinicians in this Medicare group
NPI 1942852512 (478) 207-7773
Grow Healthcare Group PA
531 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Georgia and Washington enrollments
  • 994 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
155 services29 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
23 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31210 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.23 typical visit price
range $53.31 – $164.04
Typical copayment $20.80 (range $13.32 – $41.01)
Most-billed visit code 99203
Established Patient
$94.84 typical visit price
range $16.68 – $133.24
Typical copayment $23.71 (range $4.17 – $33.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CYNTHIA POOLE
Social Worker
135 MACON WEST DR
MACON, GA 31210
Bibb County (478) 405-7220
A NEW YOU PSYCHIATRIC CARE
Nurse Practitioner (Psychiatric/Mental Health)
135 MACON WEST DR
MACON, GA 31210
Bibb County (478) 496-4896

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cassandra Gilliam's NPI number?

The NPI number for Cassandra Gilliam is 1639652829. It was assigned to this individual provider in the NPPES registry on September 13, 2018.

Where is Cassandra Gilliam located?

Cassandra Gilliam practices at 135 Macon West Dr, Macon, GA 31210. The listed phone number is (478) 496-4896.

What is Cassandra Gilliam's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Cassandra Gilliam enrolled in Medicare?

Yes. Cassandra Gilliam is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Cassandra Gilliam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Gilliam reassigns Medicare benefits to 2 organizations: Curtis Behavioral Health (Warner Robins, GA) and Grow Healthcare Group PA (Miami, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cassandra Gilliam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cassandra Gilliam accept?

Health plans from Alliant Health Plans, Inc., Anthem Blue Cross and Blue Shield and UnitedHealthcare list Cassandra Gilliam as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Cassandra Gilliam was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.