1. Home
  2. Directory
  3. South Carolina
  4. Mount Pleasant
  5. Obstetrics Gynecology
  6. NPI Profile

ALISON E DILLON MD
NPI 1326007170
Obstetrics & Gynecology - Maternal & Fetal Medicine in Mount Pleasant, SC

Active since March 21, 2006PECOS Enrolled
851 LEONARD FULGHUM DR STE 201, MOUNT PLEASANT, SC 29464(843) 884-5133(843) 849-3343 Get Directions Write a Review

NPPES record last updated: October 27, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 27, 2020, Jul 12, 2019, Apr 9, 2019 (3 updates tracked since 2019).

About Alison E Dillon Md NPPES

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

ALISON E DILLON MD (NPI 1326007170) is an individual maternal & fetal medicine provider in Mount Pleasant, South Carolina, licensed in South Carolina (16121) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1326007170
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameALISON E DILLONCredential: MD
Location Address851 LEONARD FULGHUM DR STE 201Mount Pleasant, SC 29464-3793
Mailing Address1280 Hospital DrMount Pleasant, SC 29464-1900 · (843) 883-1007 · Fax (843) 883-1016
Phone(843) 884-5133
Fax(843) 849-3343
Sole ProprietorYes
Enumeration DateMarch 21, 2006
Last NPPES UpdateOctober 27, 20203 updates tracked since enumeration
NPPES CertifiedOctober 27, 2020
✔ NPI 1326007170 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in SC · 16121
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 16121 (SC)
851 LEONARD FULGHUM DR STE 201, Mount Pleasant, SC 29464
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1880 Island Park Dr Unit 210Daniel Island, SC 29492-2902 · Phone (843) 883-1007 · Fax (843) 883-1016
Location 21280 Hospital DrMount Pleasant, SC 29464-1900 · Phone (843) 883-1007 · Fax (843) 883-1016
Location 32199 N Fraser St Ste BGeorgetown, SC 29440-6409 · Phone (843) 883-1007 · Fax (843) 883-1016

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of South Carolina, First Choice Next, Molina Healthcare 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 (PECOS)

Alison E Dillon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Alison Dillon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

East Cooper Physician Group LLC
2.5 mi
Diagnostic Radiology
2000 HOSPITAL DR
Mt Pleasant, SC 29464
  • Reassigned Medicare billing, South Carolina enrollment
  • 158 clinicians in this Medicare group
NPI 1114893096 (843) 416-6150
Bon Secours St. Francis Xavier Hosptial, Inc.
13 mi
Neurology
2095 HENRY TECKLENBURG DR
Charleston, SC 29414
  • Reassigned Medicare billing, South Carolina enrollment
  • Medicare enrollment name: Bon Secours St Francis Xavier Hospital Inc
  • 375 clinicians in this Medicare group
NPI 1578929634 (843) 724-2450

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 29464 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
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
Most-billed visit code 99213
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

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

EAST COOPER PHYSICIAN GROUP LLC
Obstetrics & Gynecology
851 LEONARD FULGHUM DR STE 201
MT PLEASANT, SC 29464
Charleston County (843) 884-5133

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 Alison Dillon's NPI number?

The NPI number for Alison Dillon is 1326007170. It was assigned to this individual provider in the NPPES registry on March 21, 2006.

Where is Alison Dillon located?

Alison Dillon practices at 851 Leonard Fulghum Dr Ste 201, Mount Pleasant, SC 29464. The listed phone number is (843) 884-5133.

What is Alison Dillon's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Alison Dillon enrolled in Medicare?

Yes. Alison Dillon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alison Dillon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alison Dillon reassigns Medicare benefits to 2 organizations: East Cooper Physician Group LLC (Mt Pleasant, SC) and Bon Secours St. Francis Xavier Hosptial, Inc. (Charleston, SC). 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 Alison Dillon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alison Dillon accept?

Health plans from BlueCross BlueShield of South Carolina, First Choice Next, Molina Healthcare and UnitedHealthcare list Alison Dillon 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 Alison Dillon was last updated on October 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.