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CAITLYN MILLS NP
NPI 1053287961
Nurse Practitioner in Anderson, SC

Active since October 16, 2025PECOS EnrolledAccepts Medicare Assignment
2000 E GREENVILLE ST STE 2900, ANDERSON, SC 29621(864) 512-5849 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 27, 2026, Jan 28, 2026 (2 updates tracked since 2026).

About Caitlyn Mills Np NPPES

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

CAITLYN MILLS NP (NPI 1053287961) is an individual nurse practitioner in Anderson, South Carolina, licensed in South Carolina (31144) and active in the NPI registry since October 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1053287961
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameCAITLYN MILLSCredential: NP
Location Address2000 E GREENVILLE ST STE 2900Anderson, SC 29621-1722
Mailing AddressPo Box 100174Columbia, SC 29202-3174
Phone(864) 512-5849
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateOctober 16, 2025
Last NPPES UpdateApril 27, 20262 updates tracked since enumeration
NPPES CertifiedApril 27, 2026
✔ NPI 1053287961 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in SC · 31144
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
2000 E GREENVILLE ST STE 2900, Anderson, SC 29621
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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

Caitlyn Mills Np 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 ID9133607005
PECOS Enrollment IDI20260202001034
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 Caitlyn Mills reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anmed Health
Same address
Gastroenterology
2000 E GREENVILLE ST STE 2900
Anderson, SC 29621
  • Reassigned Medicare billing, South Carolina enrollment
  • 381 clinicians in this Medicare group
NPI 1861761090 (864) 512-5849

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 5

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

RUBY CASSANDRA SPROTT NP
Nurse Practitioner
2000 E GREENVILLE ST STE 2900
ANDERSON, SC 29621
Anderson County (864) 512-5849
PREET K BAGI MD
Internal Medicine (Gastroenterology)
2000 E GREENVILLE ST STE 2900
ANDERSON, SC 29621
Anderson County (864) 512-5849
DAVIS BRIAN BERRY DO
Internal Medicine (Gastroenterology)
2000 E GREENVILLE ST STE 2900
ANDERSON, SC 29621
Anderson County (864) 512-5849
DR. GAURANG NAGINLAL SHAH M.D.
Internal Medicine (Gastroenterology)
2000 E GREENVILLE ST STE 2900
ANDERSON, SC 29621
Anderson County (864) 512-5849
ANMED HEALTH
Internal Medicine (Gastroenterology)
2000 E GREENVILLE ST STE 2900
ANDERSON, SC 29621
Anderson County (864) 512-5849

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 Caitlyn Mills's NPI number?

The NPI number for Caitlyn Mills is 1053287961. It was assigned to this individual provider in the NPPES registry on October 16, 2025.

Where is Caitlyn Mills located?

Caitlyn Mills practices at 2000 E Greenville St Ste 2900, Anderson, SC 29621. The listed phone number is (864) 512-5849.

What is Caitlyn Mills's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Caitlyn Mills enrolled in Medicare?

Yes. Caitlyn Mills 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 Caitlyn Mills's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caitlyn Mills reassigns Medicare benefits to Anmed Health (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 Caitlyn Mills's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caitlyn Mills 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 2 other insurers list Caitlyn Mills 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 Caitlyn Mills was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.