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WILLIAM HENRY MACKLIN M.D., FACS
NPI 1972690584
Specialist in Alexandria, LA

Active since October 06, 2006PECOS Enrolled
15/100
CMS Quality Rating
3311 PRESCOTT RD, SUITE 105, ALEXANDRIA, LA 71301(318) 484-2667(318) 484-2696 Get Directions Write a Review

NPPES record last updated: December 30, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About William Henry Macklin M.d., Facs NPPES

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

WILLIAM HENRY MACKLIN M.D., FACS (NPI 1972690584) is an individual specialist in Alexandria, Louisiana, licensed in Louisiana (15241R) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972690584
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameWILLIAM HENRY MACKLINCredential: M.D., FACS
Location Address3311 PRESCOTT RD, SUITE 105Alexandria, LA 71301-3900
Mailing Address3311 Prescott Rd, Suite 105Alexandria, LA 71301-3900 · (318) 484-2667 · Fax (318) 484-2696
Phone(318) 484-2667
Fax(318) 484-2696
Sole ProprietorNo
Enumeration DateOctober 6, 2006
Last NPPES UpdateDecember 30, 2008
✔ NPI 1972690584 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in LA · 15241R
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 40871 (AZ)
3311 PRESCOTT RD, Alexandria, LA 71301
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Other Identifiers 3

Medicaid1165247LA
Medicare ID-Type Unspecified4F502LA
Medicare UPING74136LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, 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 (PECOS)

William Henry Macklin M.d., Facs 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

4

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

Nes Arizona Inc
1,052 mi
Emergency Medicine
450 S OCOTILLO AVE
Benson, AZ 85602
  • Reassigned Medicare billing, Arizona enrollment
  • 60 clinicians in this Medicare group
NPI 1205217700 (520) 586-2261
Emergency Physicians Southwest, PC
1,132 mi
Emergency Medicine
6644 E BAYWOOD AVE
Mesa, AZ 85206
  • Reassigned Medicare billing, Arizona enrollment
  • 289 clinicians in this Medicare group
NPI 1912053752 (480) 321-2000
Sunset Emergency Physicians LLC
1,284 mi
Emergency Medicine
1200 W MOHAVE RD
Parker, AZ 85344
  • Reassigned Medicare billing, Arizona enrollment
  • 21 clinicians in this Medicare group
NPI 1871504860 (954) 939-5000
Exceptional Physicians Group Bullhead City Hospital PLLC
1,306 mi
Emergency Medical Services
2365 HIGHWAY 95
Bullhead City, AZ 86442
  • Reassigned Medicare billing, Arizona enrollment
  • 147 clinicians in this Medicare group
NPI 1518732023 (928) 224-2443

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
299 services286 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
177 services171 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
52 services51 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
40 services40 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
17 services16 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

15/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality0
Improvement Activities40

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.

DR. RICHARD PAUL TEXADA SR. MD
Urology
3311 PRESCOTT RD, SUITE 100
ALEXANDRIA, LA 71301
Rapides Parish (318) 442-3384
BECKIE LEIGH VINCENT
Nurse Practitioner (Adult Health)
3311 PRESCOTT RD, SUITE 417
ALEXANDRIA, LA 71301
Rapides Parish (318) 487-1122
JOAN WALKER, M.D., LLC
Family Medicine
3311 PRESCOTT RD, SUITE 411
ALEXANDRIA, LA 71301
Rapides Parish (318) 767-2200
DR. YASSER M NAKHLAWI M.D.
Pediatrics (Adolescent Medicine)
3311 PRESCOTT RD, SUITE 210
ALEXANDRIA, LA 71301
Rapides Parish (318) 487-1477
HAILEY WEEKS PA-C
Physician Assistant
3311 PRESCOTT RD, SUITE201
ALEXANDRIA, LA 71301
Rapides Parish (318) 442-6767
DR. LEO L LOWENTRITT MD
Urology
3311 PRESCOTT RD, SUITE 100
ALEXANDRIA, LA 71301
Rapides Parish (318) 442-3384
MRS. DEBRA V. MCCANN R.PH., P.D.
Pharmacist
3311 PRESCOTT RD, STE 110
ALEXANDRIA, LA 71301
Rapides Parish (318) 442-9846
DR. GARY P JONES MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3311 PRESCOTT RD, SUITE 202
ALEXANDRIA, LA 71301
Rapides Parish (318) 442-0106

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 Macklin's NPI number?

The NPI number for William Macklin is 1972690584. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Where is William Macklin located?

William Macklin practices at 3311 Prescott Rd Suite 105, Alexandria, LA 71301. The listed phone number is (318) 484-2667.

What is William Macklin's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is William Macklin enrolled in Medicare?

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

Which organizations bill Medicare for William Macklin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Macklin reassigns Medicare benefits to 4 organizations: Nes Arizona Inc (Benson, AZ), Emergency Physicians Southwest, PC (Mesa, AZ), Sunset Emergency Physicians LLC (Parker, AZ) and Exceptional Physicians Group Bullhead City Hospital PLLC (Bullhead City, AZ). 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 William Macklin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Macklin accept?

Health plans from Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list William Macklin 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 William Macklin was last updated on December 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.