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DR. MARC CARPENTER MCLAWHORN M.D.
NPI 1063774347
Anesthesiology in Phoenix, AZ

Active since June 12, 2012PECOS EnrolledAccepts Medicare Assignment
350 W THOMAS RD, SURGICAL SUITE, PHOENIX, AZ 85013(602) 406-3541(602) 406-7135 Get Directions Write a Review

NPPES record last updated: December 28, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 28, 2022, Oct 15, 2020, Sep 28, 2020 and 1 more (4 updates tracked since 2016).

About Dr. Marc Carpenter Mclawhorn M.d. NPPES

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

DR. MARC CARPENTER MCLAWHORN M.D. (NPI 1063774347) is an individual anesthesiology provider in Phoenix, Arizona, licensed in Arizona (54272) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1063774347
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. MARC CARPENTER MCLAWHORNCredential: M.D.
Location Address350 W THOMAS RD, SURGICAL SUITEPhoenix, AZ 85013
Mailing Address350 W Thomas Rd, Surgical SuitePhoenix, AZ 85013 · (602) 406-3541 · Fax (602) 406-7135
Phone(602) 406-3541
Fax(602) 406-7135
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateJune 12, 2012
Last NPPES UpdateDecember 28, 20224 updates tracked since enumeration
NPPES CertifiedDecember 28, 2022
✔ NPI 1063774347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in AZ · 54272✔ Licensed in SC · LL34793
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedSurgeryTaxonomy 208600000X · License LL34793 (SC)
350 W THOMAS RD, Phoenix, AZ 85013
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Secondary Practice Locations 2

Location 1169 Ashley Ave, Room 202 Main Hospital, MSC333Charleston, SC 29425-8905 · Phone (843) 792-4638
Location 23601 The Vanderbilt ClinicNashville, TN 37232-8905 · Phone (615) 936-2000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc.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

Dr. Marc Carpenter Mclawhorn M.d. 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 ID941599856
PECOS Enrollment IDI20170720001761
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 Marc Mclawhorn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sjhmc Physician Services
Same address
Multi-Specialty
350 W THOMAS RD
Phoenix, AZ 85013
  • Reassigned Medicare billing, Arizona enrollment
  • 773 clinicians in this Medicare group
NPI 1326098005 (602) 406-3729
Valley Anesthesiology Consultants, Inc.
14 mi
Anesthesiology
2262 E ROSE GARDEN LN
Phoenix, AZ 85024
  • Reassigned Medicare billing, Arizona enrollment
  • 518 clinicians in this Medicare group
NPI 1285660704 (954) 939-5000

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 2

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
47 services47 patients
Anesthesia for extensive surgery on spine 00670
Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.
34 services34 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.

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)
Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…
50%62 patients3/55-star benchmark: 100%
Pre-operative OSA assessment
Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)
66%302 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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. JASPREET SIAN M.D.
Student in an Organized Health Care Education/Training Program
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3540
DR. JACOB WESLEY SANDERS
Student in an Organized Health Care Education/Training Program
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-6262
SANFORD ORNSTEIN M.D.
Radiology (Diagnostic Radiology)
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3430
LINDLEY T BLISS MD
Hospitalist
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 615-5672
DR. TILINA N. HU MD
Radiology (Diagnostic Radiology)
350 W THOMAS RD, RADIOLOGY DEPARTMENT
PHOENIX, AZ 85013
Maricopa County (602) 406-3430
JASON AARON BESTE M.D.
Hospitalist
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-5590
JOEL JAMES HAYDEN MD
Radiology (Diagnostic Radiology)
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3430
SARAH BAHSAS
Family Medicine
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3350

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 Marc Mclawhorn's NPI number?

The NPI number for Marc Mclawhorn is 1063774347. It was assigned to this individual provider in the NPPES registry on June 12, 2012.

Where is Marc Mclawhorn located?

Marc Mclawhorn practices at 350 W Thomas Rd Surgical Suite, Phoenix, AZ 85013. The listed phone number is (602) 406-3541.

What is Marc Mclawhorn's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Marc Mclawhorn enrolled in Medicare?

Yes. Marc Mclawhorn 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 organizations bill Medicare for Marc Mclawhorn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Mclawhorn reassigns Medicare benefits to 2 organizations: Sjhmc Physician Services (Phoenix, AZ) and Valley Anesthesiology Consultants, Inc. (Phoenix, 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 Marc Mclawhorn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marc Mclawhorn accept?

Health plans from Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Marc Mclawhorn 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 Marc Mclawhorn was last updated on December 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.