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DR. MARK KEITH DAVIS O.D.
NPI 1699760603
Optometrist in San Antonio, TX

Active since September 15, 2005PECOS Enrolled
1742 N LOOP 1604 E, SUITE 118, SAN ANTONIO, TX 78232(210) 403-9050(210) 403-9939 Get Directions Write a Review

NPPES record last updated: November 6, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Mark Keith Davis O.d. NPPES

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

DR. MARK KEITH DAVIS O.D. (NPI 1699760603) is an individual optometrist in San Antonio, Texas, licensed in Texas (3460TG) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1699760603
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. MARK KEITH DAVISCredential: O.D.
Location Address1742 N LOOP 1604 E, SUITE 118San Antonio, TX 78232-1593
Mailing Address6603 Fm 2920 Rd, Spring Klein Vision CenterSpring, TX 77379-2636 · (281) 370-4444 · Fax (281) 320-2012
Phone(210) 403-9050
Fax(210) 403-9939
Sole ProprietorNo
Enumeration DateSeptember 15, 2005
Last NPPES UpdateNovember 6, 2015
✔ NPI 1699760603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in TX · 3460TG
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
1742 N LOOP 1604 E, San Antonio, TX 78232
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Secondary Practice Location 1

Location 16328 Telephone RdHouston, TX 77087-5410 · Phone (713) 644-2375 · Fax (713) 644-0486

Other Identifiers 9

Other200122447TX · Aetna
Other136734195824TX · Humana
Other200122447TX · United Health Care
Other80575QTX · Bcbs
Medicaid100404603TX
Medicare PIN8B1474TX
Other00000072FCTX · Bcbs
Medicare UPINT12925TX
Medicaid161053701TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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)

Dr. Mark Keith Davis O.d. 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

3

Medicare enrollment records show Mark Davis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Med Southwest, PLLC
3.5 mi
Optometrist
22906 US HIGHWAY 281 N STE 101
San Antonio, TX 78258
  • Reassigned Medicare billing, Texas enrollment
  • 396 clinicians in this Medicare group
NPI 1821751199 (210) 495-7483
Premise Health Of Texas Medical PA
61 mi
Multi-Specialty
5202 E BEN WHITE BLVD STE 500
Austin, TX 78741
  • Reassigned Medicare billing, Texas enrollment
  • 13 clinicians in this Medicare group
NPI 1255005534 (512) 643-4050
Central Texas Healthcare Services
146 mi
Optometrist
805 EAST MAIN STREET, SUITE 6
Hamilton, TX 76531
  • Reassigned Medicare billing, Texas enrollment
  • 5 clinicians in this Medicare group
NPI 1255956710 (254) 648-2040

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78232 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
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.

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 Davis's NPI number?

The NPI number for Mark Davis is 1699760603. It was assigned to this individual provider in the NPPES registry on September 15, 2005.

Where is Mark Davis located?

Mark Davis practices at 1742 N Loop 1604 E Suite 118, San Antonio, TX 78232. The listed phone number is (210) 403-9050.

What is Mark Davis's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Mark Davis enrolled in Medicare?

Yes. Mark Davis is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Davis reassigns Medicare benefits to 3 organizations: Med Southwest, PLLC (San Antonio, TX), Premise Health Of Texas Medical PA (Austin, TX) and Central Texas Healthcare Services (Hamilton, TX). 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 Mark Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Davis accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Mark Davis 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 Mark Davis was last updated on November 6, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.