Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HEATHER GILLIAM
NPI 1992220263
Nurse Practitioner - Psychiatric/Mental Health in Anderson, SC

Active since August 08, 2017PECOS EnrolledAccepts Medicare Assignment
10 FINANCIAL BLVD, ANDERSON, SC 29621(864) 844-9432(864) 844-9430 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 6, 2026, Mar 17, 2025, Jul 1, 2024 and 2 more (5 updates tracked since 2017).

About Heather Gilliam NPPES

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

HEATHER GILLIAM (NPI 1992220263) is an individual psychiatric/mental health provider in Anderson, South Carolina, licensed in South Carolina (28724) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, maintains 7 additional practice locations, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1992220263
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameHEATHER GILLIAM
Location Address10 FINANCIAL BLVDAnderson, SC 29621-1770
Mailing Address10 Financial BlvdAnderson, SC 29621-1770 · (864) 844-9432 · Fax (864) 844-9430
Fax(864) 844-9430
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateAugust 8, 2017
Last NPPES UpdateJuly 6, 20265 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
NPI 1992220263 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in SC · 28724
Also ListedRegistered NurseTaxonomy 163W00000X · License 241405 (SC)
Also ListedRegistered Nurse · Community HealthTaxonomy 163WC1500X · License 241405 (SC)
10 FINANCIAL BLVD, Anderson, SC 29621

Secondary Practice Locations 7

Location 1201 Central Park LnSeneca, SC 29678-1156 · Phone (864) 844-9432 · Fax (864) 844-9430
Location 2203 Central Park LnSeneca, SC 29678-1156 · Phone (864) 844-9432 · Fax (864) 844-9430
Location 360 Bear DrGreenville, SC 29605-4458 · Phone (864) 844-9432 · Fax (864) 844-9430
Location 41071 Boiling Springs RdSpartanburg, SC 29303-2201 · Phone (864) 844-9432 · Fax (864) 844-9430
Location 5120 Pelham LnAnderson, SC 29621-3335 · Phone (864) 844-9432 · Fax (864) 844-9430
Location 63505 Pelham Rd Ste A2Greenville, SC 29615-4154 · Phone (864) 844-9432 · Fax (864) 844-9430
Location 71721 Ebenezer Rd Ste 265ARock Hill, SC 29732-4103 · Phone (864) 844-9432 · Fax (864) 844-9430

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Heather Gilliam is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375084221
PECOS Enrollment IDI20240919001661
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29621 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
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
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 20

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

Counselor
10 FINANCIAL BLVD
ANDERSON, SC 29621
Pharmacy
10 FINANCIAL BLVD
ANDERSON, SC 29621
Physical Therapist
10 FINANCIAL BLVD
ANDERSON, SC 29621
Psychiatry & Neurology (Psychiatry)
10 FINANCIAL BLVD
ANDERSON, SC 29621
Chiropractor
10 FINANCIAL BLVD
ANDERSON, SC 29621
Family Medicine
10 FINANCIAL BLVD
ANDERSON, SC 29621
Nurse Practitioner (Family)
10 FINANCIAL BLVD
ANDERSON, SC 29621
Nurse Practitioner (Psychiatric/Mental Health)
10 FINANCIAL BLVD
ANDERSON, SC 29621

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 Heather Gilliam's NPI number?

The NPI number for Heather Gilliam is 1992220263. It was assigned to this individual provider in the NPPES registry on August 8, 2017.

Where is Heather Gilliam located?

Heather Gilliam practices at 10 Financial Blvd, Anderson, SC 29621. The listed phone number is (864) 844-9432.

What is Heather Gilliam's specialty?

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

Is Heather Gilliam enrolled in Medicare?

Yes. Heather Gilliam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Heather Gilliam accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina, First Choice Next and InStil Health and 2 other insurers list Heather 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 Heather Gilliam was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.