Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK GLYNN DAVIES M.D.
NPI 1477581619
Surgery - Vascular Surgery in Waco, TX

Active since June 28, 2006PECOS EnrolledAccepts Medicare Assignment
74.33/100
CMS Quality Rating
405 LONDONDERRY DR STE 306, WACO, TX 76712(254) 537-6591(254) 537-6592 Get Directions Write a Review

NPPES record last updated: June 27, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mark Glynn Davies M.d. NPPES

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

DR. MARK GLYNN DAVIES M.D. (NPI 1477581619) is an individual vascular surgery provider in Waco, Texas, licensed in Texas (M8620) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Ascension Providence, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1477581619
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameDR. MARK GLYNN DAVIESCredential: M.D.
Location Address405 LONDONDERRY DR STE 306Waco, TX 76712-7922
Mailing Address405 Londonderry Dr Ste 306Waco, TX 76712-7922 · (254) 537-6591 · Fax (254) 537-6592
Fax(254) 537-6592
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateJune 28, 2006
Last NPPES UpdateJune 27, 2026
NPPES CertifiedJune 27, 2026
NPI 1477581619 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
License Licensed in TX · M8620
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
405 LONDONDERRY DR STE 306, Waco, TX 76712

Other Identifiers 8

Other8AP706TX · Blue Cross Blue Shield
Medicaid1807532LA
OtherP01039325TX · Rr Medicare
Medicaid196915602TX
Medicaid01995142NY
Medicaid196915603TX
OtherP00633958TX · Railroad Medicare
Medicaid196915601TX

Accepted 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

Dr. Mark Glynn Davies 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 ID6204879133
PECOS Enrollment IDI20080804000553
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 22

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
128 services97 patients
Ultrasound of hemodialysis access 93990
An ultrasound of hemodialysis access is a non-invasive procedure that uses sound waves to create images of your dialysis access site. It helps monitor the access site's health and detect any potential issues like blockages or narrowing.
119 services53 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
109 services109 patients
Complete ultrasound study of arm and leg arteries 93923
This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.
99 services82 patients
Smoking and tobacco use intensive counseling, 4-10 minutes 99406
This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.
80 services57 patients
Ultrasound of both sides of head and neck blood flow 93880
An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.
79 services75 patients

Hospital Affiliations CMS Care Compare

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

Ascension Providence

Acute Care Hospitals · Waco, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450042
Location6901 Medical ParkwayWaco, TX 76712 · Mc Lennan County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76712 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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.

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.

74.33/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.69
Promoting Interoperability100
Improvement Activities40
Cost41.75

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 Mark Davies's NPI number?

The NPI number for Mark Davies is 1477581619. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Mark Davies located?

Mark Davies practices at 405 Londonderry Dr Ste 306, Waco, TX 76712. The listed phone number is (254) 537-6591.

What is Mark Davies's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Mark Davies enrolled in Medicare?

Yes. Mark Davies 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 Mark Davies accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Mark Davies 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 Mark Davies affiliated with any hospitals?

According to CMS data, Mark Davies is affiliated with Ascension Providence.

When was this NPI record last updated?

The NPPES record for Mark Davies was last updated on June 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 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.