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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.

GLENN ROBERT MCASKILL MD
NPI 1639162712
Anesthesiology - Critical Care Medicine in Marshall, TX

Active since August 24, 2005PECOS EnrolledAccepts Medicare Assignment
401A E PINECREST DR, MARSHALL, TX 75670(903) 212-3280(903) 212-3265 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 16, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Glenn Robert Mcaskill Md NPPES

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

GLENN ROBERT MCASKILL MD (NPI 1639162712) is an individual critical care medicine provider in Marshall, Texas, licensed in Texas (J4334) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Vanderbilt University School Of Medicine (1996).

NPPES Registry Identity

NPI1639162712
Entity TypeIndividualMale
Primary Taxonomy207LC0200X
Provider Legal NameGLENN ROBERT MCASKILLCredential: MD
Location Address401A E PINECREST DRMarshall, TX 75670-7207
Mailing AddressPo Box 1315Marshall, TX 75671-1315 · (903) 212-3280 · Fax (903) 212-3265
Phone(903) 212-3280
Fax(903) 212-3265
Sole ProprietorNo
Medical School CMSVanderbilt University School Of MedicineGraduated 1996
Enumeration DateAugust 24, 2005
Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
✔ NPI 1639162712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiology · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LC0200X
License✔ Licensed in TX · J4334
Definition
An anesthesiologist, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedAnesthesiologyTaxonomy 207L00000X · License J4334 (TX)
Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X · License J4334 (TX)
401A E PINECREST DR, Marshall, TX 75670
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Glenn Robert Mcaskill Md 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 ID3678738374
PECOS Enrollment IDI20120702000442
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.

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
95 services70 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
26 services22 patients

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 Glenn Mcaskill's NPI number?

The NPI number for Glenn Mcaskill is 1639162712. It was assigned to this individual provider in the NPPES registry on August 24, 2005.

Where is Glenn Mcaskill located?

Glenn Mcaskill practices at 401A E Pinecrest Dr, Marshall, TX 75670. The listed phone number is (903) 212-3280.

What is Glenn Mcaskill's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.

Is Glenn Mcaskill enrolled in Medicare?

Yes. Glenn Mcaskill 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.

What insurance does Glenn Mcaskill accept?

Health plans from Blue Cross and Blue Shield of Texas list Glenn Mcaskill 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 Glenn Mcaskill was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 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.