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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: November 01, 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
Phone(864) 844-9432
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
Open in Google Maps ↗

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

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

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

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.

Medicare Billing Reassignment

Medicare enrollment records show Heather Gilliam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Taral Sharma MD PC
Same address
Mental Health (Including Community Mental Health Center)
10 FINANCIAL BLVD
Anderson, SC 29621
  • Reassigned Medicare billing, South Carolina enrollment
  • 45 clinicians in this Medicare group
NPI 1477112597 (864) 844-9432

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

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.

JENNIFER PRESNELL LPC
Counselor (Professional)
10 FINANCIAL BLVD
ANDERSON, SC 29621
Anderson County (864) 844-9432
PALMETTO PHYSICAL MEDICINE
Pharmacy
10 FINANCIAL BLVD
ANDERSON, SC 29621
Anderson County (864) 437-8930
INTEGRATED PHYSICAL THERAPY LLC
Physical Therapist
10 FINANCIAL BLVD
ANDERSON, SC 29621
Anderson County (864) 437-8930
DANA LAHR SHARMA MD
Psychiatry & Neurology (Psychiatry)
10 FINANCIAL BLVD
ANDERSON, SC 29621
Anderson County (864) 844-9432
ALLIED HEALTH
Chiropractor
10 FINANCIAL BLVD
ANDERSON, SC 29621
Anderson County (864) 437-8930
SUPERIOR WELLNESS
Family Medicine
10 FINANCIAL BLVD
ANDERSON, SC 29621
Anderson County (864) 438-8930
KATHERINE RENEE MCGUIRE APRN
Nurse Practitioner (Family)
10 FINANCIAL BLVD
ANDERSON, SC 29621
Anderson County (864) 437-8930
IAN CHRISTOPHER STEWART PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
10 FINANCIAL BLVD
ANDERSON, SC 29621
Anderson County (864) 844-9432

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.

Which organization bills Medicare for Heather Gilliam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heather Gilliam reassigns Medicare benefits to Taral Sharma MD PC (Anderson, SC). The 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 Heather Gilliam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Heather Gilliam accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and First Choice Next and 3 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 4 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.