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DirJournal Editorial Verdict

Cardinal Digital Marketing has cleared DirJournal's 12-point manual editorial audit and is verified as an active SEO Agencies entity. Last reviewed August 25, 2026.

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Editorial Verification

Full Audit Transparency Report

Last Reviewed: August 25, 2026
  • 200 OK StatusVerified

    Primary website is live, secure (HTTPS), and free of malware.

  • Domain AgeVerified

    Real-world domain age (≥1 yr, verified via the Wayback Machine) OR pre-migration legacy ID OR ≥2 years of platform tenure. Survival across multiple search-engine update cycles is itself a trust signal.

  • Schema ValidationVerified

    Valid Organization / ProfessionalService JSON-LD emitted on every page load — checked at render time.

  • Citation ClarityVerified

    Verified outbound links to at least two authoritative sources (social profiles, sameAs URLs).

  • Operational HistoryVerified

    Minimum 12-month active history in the claimed industry — derived from the business's founding year, Wayback-verified domain age, or listing tenure (any one signal passes).

  • Entity RegistrationPending Manual Review

    Cross-referenced with official state or country business registries.

  • Physical FootprintPending Manual Review

    Verified non-virtual presence via Google Maps or official lease documentation.

  • Active LeadershipVerified

    Confirmation of key team members and executive roles.

  • NAP ConsistencyPending Manual Review

    Verified match of Name, Address, and Phone data across platforms.

  • Professional LicensingPending Manual Review

    Verification of required industry-specific certifications or licenses.

  • Sentiment AuditPending Manual Review

    Manual review of third-party reputation signals (BBB, Trustpilot, etc.).

  • Editorial DiscretionPending Manual Review

    Final human review to ensure the business provides genuine value.

About

Cardinal Digital Marketing

Cardinal Digital Marketing is a healthcare performance marketing agency that now operates as Power Digital's dedicated healthcare division. The agency focuses on patient acquisition for multi-location provider groups, health systems and other healthcare organizations. Alex Membrillo is identified by current first-party material as Cardinal's Chief Executive Officer. Services include paid media, search engine optimization and AI-search optimization, website design, business intelligence, performance creative and patient-acquisition strategy. Cardinal works with healthcare sectors including behavioral health, dental service organizations, primary care, veterinary medicine and dermatology, as well as provider groups backed by private equity. Its current approach uses forecasting, campaign analysis, channel testing and marketing measurement to connect advertising investment with patient growth. Cardinal also offers RevRx, a strategic planning and business-intelligence framework that incorporates media mix modeling. The company states that it brings approximately 15 years of healthcare and marketing experience to current engagements. Cardinal's integration with Power Digital expands its data and measurement resources while preserving its healthcare specialization.

Cardinal Digital Marketing is a healthcare performance marketing agency operating as Power Digital's dedicated healthcare division. The company focuses on patient acquisition for multi-location provider groups and other healthcare organizations. Current first-party material identifies Alex Membrillo as CEO and describes Cardinal as a specialized healthcare partner rather than a general-purpose digital agency. Services include paid media, SEO and AI-search optimization, website design, business intelligence, performance creative and patient-acquisition strategy. Cardinal works with health systems, behavioral-health organizations, dental service organizations, primary-care groups, veterinary organizations, dermatology providers and private-equity-backed healthcare businesses. Its programs use campaign audits, forecasting, media allocation and ongoing testing to connect marketing activity with patient volume and acquisition costs. Cardinal's current structure reflects an important entity change. The agency has joined Power Digital as its dedicated healthcare division, giving Cardinal access to broader data, measurement and optimization capabilities while retaining its healthcare focus. Its RevRx planning framework combines media mix modeling with healthcare-specific performance analysis to guide marketing investment decisions.

DirJournal's Perspective · Human-in-the-Loop

Editorial analysis

Cardinal Digital Marketing dominates the narrow intersection of healthcare SEO and multi-location provider expansion, where most generalist agencies falter. Their specialization in geographically dispersed medical practices gives them structural advantages that competitors cannot easily replicate.

Reviewed by DirJournal Editorial Board

Frequently Asked

About Cardinal Digital Marketing

What does Cardinal Digital Marketing do?
Cardinal Digital Marketing is a healthcare performance marketing agency that now operates as Power Digital's dedicated healthcare division. The agency focuses on patient acquisition for multi-location provider groups, health systems and other healthcare organizations. Alex Membrillo is identified by current first-party material as Cardinal's Chief Executive Officer.
Where is Cardinal Digital Marketing based?
Cardinal Digital Marketing is based in Atlanta, Georgia, United States.
When was Cardinal Digital Marketing founded?
Cardinal Digital Marketing was founded in 2009 and has been operating for 17 years.
How can I contact Cardinal Digital Marketing?
Contact Cardinal Digital Marketing by phone at 404-585-2096.
Technical Grounding
JSON-LDProfessionalService
Address
5342 Peachtree Rd Suite A, Atlanta, GA 30341
Location
Atlanta, Georgia, United States
Founded
2009
Team Size
51-200 employees
Digital Footprint · Technical Entity Graph
  • Website
  • Schema Type
    ProfessionalService
  • JSON-LD
    Active
  • NAP Vault ID
    Not assigned
  • Social Profiles
    1 verified profile
  • Platform Tenure
    New listing
View Technical Schema
@type
ProfessionalService
areaServed
Atlanta metropolitan area

Knows About

Healthcare MarketingSEOPaid Media

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