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

MRS. ANNALILY B WILLIAMS PMHNP
NPI 1194215798
Nurse Practitioner - Psychiatric/Mental Health in Orangeburg, SC

Active since May 18, 2018PECOS Enrolled
2319 SAINT MATTHEWS RD, ORANGEBURG, SC 29118(803) 536-1571(803) 539-1463 Get Directions Write a Review

NPPES record last updated: November 5, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 5, 2026, May 14, 2026, Apr 15, 2026 and 2 more (5 updates tracked since 2018).

About Mrs. Annalily B Williams Pmhnp NPPES

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

MRS. ANNALILY B WILLIAMS PMHNP (NPI 1194215798) is an individual psychiatric/mental health provider in Orangeburg, South Carolina, licensed in South Carolina (26380) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1194215798
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMRS. ANNALILY B WILLIAMSCredential: PMHNP
Location Address2319 SAINT MATTHEWS RDOrangeburg, SC 29118-2042
Mailing Address3445 Ingleside BlvdLadson, SC 29456-4142 · (843) 782-2000 · Fax (843) 790-1778
Phone(803) 536-1571
Fax(803) 539-1463
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateMay 18, 2018
Last NPPES UpdateNovember 5, 20265 updates tracked since enumeration
NPPES CertifiedNovember 5, 2026
✔ NPI 1194215798 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in SC · 26380
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License 243812 (SC)
2319 SAINT MATTHEWS RD, Orangeburg, SC 29118
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Plan, Inc..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

Mrs. Annalily B Williams Pmhnp 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 ID9739557562
PECOS Enrollment IDI20221128003024
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

4

Medicare enrollment records show Annalily Williams reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tandem Health Sc
27 mi
Federally Qualified Health Center (FQHC)
25 E CLARK ST
Pinewood, SC 29125
  • Reassigned Medicare billing, South Carolina enrollment
  • Also billed through NPI 1649035841 (South Carolina)
  • 45 clinicians in this Medicare group
NPI 1811973068 (803) 774-4516
Ch Specialty Services Sc LLC
64 mi
Family
6650 RIVERS AVE
North Charleston, SC 29406
  • Reassigned Medicare billing, South Carolina enrollment
  • 338 clinicians in this Medicare group
NPI 1275915522 (337) 991-9276
Curana Health Of South Carolina PC
70 mi
Internal Medicine
2375 BAKER HOSPITAL BLVD
North Charleston, SC 29405
  • Reassigned Medicare billing, South Carolina enrollment
  • 409 clinicians in this Medicare group
NPI 1316477896 (337) 991-9276
Mental Health Specialty Group PA
203 mi
Mental Health
110 N CORCORAN ST FL 5
Durham, NC 27701
  • Reassigned Medicare billing, South Carolina enrollment
  • 106 clinicians in this Medicare group
NPI 1801472634 (323) 205-7088

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 29118 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.

CAROLYN MOSLEY MASTER OF SCIENCE
Counselor (Mental Health)
2319 SAINT MATTHEWS RD
ORANGEBURG, SC 29118
Orangeburg County (803) 516-4254
MR. DENNIS RAY WADE I
Peer Specialist
2319 SAINT MATTHEWS RD
ORANGEBURG, SC 29118
Orangeburg County (803) 536-1571
STEPHANIE GREEN MA REHAB COUNSELING
Counselor (Mental Health)
2319 SAINT MATTHEWS RD
ORANGEBURG, SC 29118
Orangeburg County (803) 536-1571
KIMBERLY NICOLE HICKS LPC
Counselor (Mental Health)
2319 SAINT MATTHEWS RD
ORANGEBURG, SC 29118
Orangeburg County (803) 536-1571
QUAI STEPHENS
Counselor (Mental Health)
2319 SAINT MATTHEWS RD
ORANGEBURG, SC 29118
Orangeburg County (803) 536-1571
MRS. LATISCHA JACKSON HERRIOTT M.A.
Counselor (Mental Health)
2319 SAINT MATTHEWS RD
ORANGEBURG, SC 29118
Orangeburg County (803) 536-1571
BRYANT WILLIAMS
Counselor (Mental Health)
2319 SAINT MATTHEWS RD
ORANGEBURG, SC 29118
Orangeburg County (803) 536-1571
DREQUEZ MCFADDEN
Counselor (Mental Health)
2319 SAINT MATTHEWS RD
ORANGEBURG, SC 29118
Orangeburg County (803) 536-1571

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 Annalily Williams's NPI number?

The NPI number for Annalily Williams is 1194215798. It was assigned to this individual provider in the NPPES registry on May 18, 2018.

Where is Annalily Williams located?

Annalily Williams practices at 2319 Saint Matthews Rd, Orangeburg, SC 29118. The listed phone number is (803) 536-1571.

What is Annalily Williams's specialty?

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

Is Annalily Williams enrolled in Medicare?

Yes. Annalily Williams 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 organizations bill Medicare for Annalily Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Annalily Williams reassigns Medicare benefits to 4 organizations: Tandem Health Sc (Pinewood, SC), Ch Specialty Services Sc LLC (North Charleston, SC), Curana Health Of South Carolina PC (North Charleston, SC) and Mental Health Specialty Group PA (Durham, NC). 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 Annalily Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Annalily Williams accept?

Health plans from Oscar Health Plan, Inc. list Annalily Williams 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 Annalily Williams was last updated on November 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.