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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.

DR. WALKER MACKENZIE HEFFRON MD
NPI 1710501242
Orthopaedic Surgery in Mt Pleasant, SC

Active since June 01, 2020PECOS Enrolled
3510 N HIGHWAY 17 STE 220, MT PLEASANT, SC 29466(843) 853-3474(843) 853-3500 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 26, 2026, Jun 24, 2025, Jun 1, 2020 (3 updates tracked since 2020).

About Dr. Walker Mackenzie Heffron Md NPPES

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

DR. WALKER MACKENZIE HEFFRON MD (NPI 1710501242) is an individual orthopaedic surgery provider in Mt Pleasant, South Carolina, licensed in South Carolina (84209) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS and maintains a secondary practice location in Providence.

NPPES Registry Identity

NPI1710501242
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. WALKER MACKENZIE HEFFRONCredential: MD
Location Address3510 N HIGHWAY 17 STE 220Mt Pleasant, SC 29466-8245
Mailing AddressPo Box 751649Charlotte, NC 28275-1649 · (888) 472-0043 · Fax (843) 724-2440
Phone(843) 853-3474
Fax(843) 853-3500
Sole ProprietorYes
Enumeration DateJune 1, 2020
Last NPPES UpdateAugust 26, 20263 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
✔ NPI 1710501242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in SC · 84209✔ Licensed in RI · MD20646
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
3510 N HIGHWAY 17 STE 220, Mt Pleasant, SC 29466
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Secondary Practice Location 1

Location 12 Dudley St Ste 200Providence, RI 02905-3248 · Phone (401) 457-2168

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Walker Mackenzie Heffron 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29466 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
$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 7

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

MRS. CLAIRE HORTON APPLE OTR/L
Occupational Therapist
3510 N HIGHWAY 17 STE 220
MT PLEASANT, SC 29466
Charleston County (843) 853-3474
SHERIF ZAGHLOUL YACOUB MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3510 N HIGHWAY 17 STE 220
MT PLEASANT, SC 29466
Charleston County (843) 724-2011
ROPER SAINT FRANCIS PHYSICIANS NETWORK
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3510 N HIGHWAY 17 STE 220
MT PLEASANT, SC 29466
Charleston County (843) 720-8317
ALICIA MARIE SWANGER AGACNP-BC
Nurse Practitioner (Acute Care)
3510 N HIGHWAY 17 STE 220
MT PLEASANT, SC 29466
Charleston County (843) 607-7174
ROPER SAINT FRANCIS PHYSICIANS NETWORK
Psychiatry & Neurology (Neurology)
3510 N HIGHWAY 17 STE 220
MT PLEASANT, SC 29466
Charleston County (843) 723-8823
ROPER SAINT FRANCIS PHYSICIANS NETWORK
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3510 N HIGHWAY 17 STE 220
MT PLEASANT, SC 29466
Charleston County (843) 606-7174
ROPER SAINT FRANCIS PHYSICIANS NETWORK
Anesthesiology (Pain Medicine)
3510 N HIGHWAY 17 STE 220
MT PLEASANT, SC 29466
Charleston County (843) 723-8823

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 Walker Heffron's NPI number?

The NPI number for Walker Heffron is 1710501242. It was assigned to this individual provider in the NPPES registry on June 1, 2020.

Where is Walker Heffron located?

Walker Heffron practices at 3510 N Highway 17 Ste 220, Mt Pleasant, SC 29466. The listed phone number is (843) 853-3474.

What is Walker Heffron's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Walker Heffron enrolled in Medicare?

Yes. Walker Heffron is registered in the Medicare PECOS enrollment system.

What insurance does Walker Heffron accept?

Health plans from WellSense Health Plan list Walker Heffron 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 Walker Heffron was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.