1. Home
  2. Directory
  3. Georgia
  4. Marietta
  5. Internal Medicine
  6. NPI Profile

WILLIAM T MAHLE M.D.
NPI 1528017258
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Marietta, GA

Active since May 09, 2006PECOS Enrolled
355 TOWER RD NE STE 204, MARIETTA, GA 30060(404) 256-2593(678) 547-1494 Get Directions Write a Review

NPPES record last updated: August 29, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 25, 2021, Oct 7, 2020 (2 updates tracked since 2020).

About William T Mahle M.d. NPPES

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

WILLIAM T MAHLE M.D. (NPI 1528017258) is an individual advanced heart failure and transplant cardiology provider in Marietta, Georgia, licensed in Georgia (50110) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Children's Healthcare Of Atlanta At Egleston, and is a graduate of University Of Maryland School Of Medicine (1993).

NPPES Registry Identity

NPI1528017258
Entity TypeIndividualMale
Primary Taxonomy207RA0001X
Provider Legal NameWILLIAM T MAHLECredential: M.D.
Location Address355 TOWER RD NE STE 204Marietta, GA 30060-9413
Mailing Address2970 Brandywine Rd Ste 125Atlanta, GA 30341-5528 · (404) 256-2593 · Fax (678) 547-1499
Phone(404) 256-2593
Fax(678) 547-1494
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 1993
Enumeration DateMay 9, 2006
Last NPPES UpdateAugust 29, 20242 updates tracked since enumeration
NPPES CertifiedAugust 29, 2024
✔ NPI 1528017258 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Advanced Heart Failure and Transplant CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0001X
License✔ Licensed in GA · 50110
Definition
Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.
355 TOWER RD NE STE 204, Marietta, GA 30060
Open in Google Maps ↗

Other Identifiers 1

Medicaid00910302AGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter Health 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)

William T Mahle M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446426886
PECOS Enrollment IDI20120105000721
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 William Mahle reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Childrens Healthcare Of Atlanta Cardiology Inc
18 mi
Pediatric Cardiology
2970 BRANDYWINE RD STE 125
Atlanta, GA 30341
  • Reassigned Medicare billing, Georgia enrollment
  • Medicare enrollment name: Children's Healthcare Of Atlanta Cardiology Inc
  • 66 clinicians in this Medicare group
NPI 1235148727 (404) 256-2593

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

OwnershipVoluntary non-profit - Private
CMS Certification Number113300
Location1405 Clifton Road, NEAtlanta, GA 30322 · De Kalb County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30060 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
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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 3

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

JOHN K STEVENS M.D.
Pediatrics (Pediatric Cardiology)
355 TOWER RD NE STE 204
MARIETTA, GA 30060
Cobb County (404) 256-2593
DR. TIMOTHEUS GEORGE WATSON MD
Pediatrics (Pediatric Cardiology)
355 TOWER RD NE STE 204
MARIETTA, GA 30060
Cobb County (404) 256-2593
ANDREW PORTER M.D.
Pediatrics (Pediatric Cardiology)
355 TOWER RD NE STE 204
MARIETTA, GA 30060
Cobb County (404) 256-2593

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 William Mahle's NPI number?

The NPI number for William Mahle is 1528017258. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Where is William Mahle located?

William Mahle practices at 355 Tower Rd NE Ste 204, Marietta, GA 30060. The listed phone number is (404) 256-2593.

What is William Mahle's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Is William Mahle enrolled in Medicare?

Yes. William Mahle is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Mahle's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Mahle reassigns Medicare benefits to Childrens Healthcare Of Atlanta Cardiology Inc (Atlanta, GA). 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 William Mahle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Mahle accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 1 other insurer list William Mahle 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.

Is William Mahle affiliated with any hospitals?

According to CMS data, William Mahle is affiliated with Children's Healthcare Of Atlanta At Egleston.

When was this NPI record last updated?

The NPPES record for William Mahle was last updated on August 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.