Individual provider Active NPI

Mark Robert Barlow, OD

  • Optometrist
  • Saint Louis, MO
National Provider Identifier
1710974183
Registry record updated Aug 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
2013007905 Issued in MO
Practice address
7331 Watson Rd
Saint Louis, MO 63119-4405
Phone
(314) 633-8575
Fax
(314) 362-3725
NPI assigned
Sep 30, 2005
Last updated
Aug 21, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 21, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Optometrist 152W00000X 2013007905 MO Primary

Addresses

Primary practice location

7331 Watson Rd
Saint Louis, MO 63119-4405

Mailing address

PO Box 736480
Chicago, IL 60673-1407
Phone (314) 633-8575

Other practice location 1

12692 Lamplighter Square Shpg Ctr
Saint Louis, MO 63128-2746
Phone (314) 432-5478

Other practice location 2

1224 Graham Rd Ste 2007
Florissant, MO 63031-8026
Phone (314) 837-3667

Other identifiers 1

IdentifierTypeStateIssuer
310075018MedicaidMO

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20130531000504 MO Practitioner - Optometry 7012047863 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Optometry
Education
University of Missouri St Louis - School of Optometry, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ophthalmology Consultants LLCGroup PAC ID 6800884008, 22 clinicians

Practice addresses (Care Compare)

12990 Manchester Rd
Suite 201
Saint Louis, MO 63131-1860
Phone (314) 909-0633

Merit-based Incentive Payment System (MIPS)

Final score
79.58 of 100Reported as group
Quality
80.09
Promoting interoperability
88
Improvement activities
40
Cost
61.86

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Washington University CurrentSince Dec 1, 2019 Accepting new patients
Ophthalmology Consultants, LLC Optometrist CurrentSince Sep 23, 2019 Accepting new patients
Ophthalmology Consultants, LLC CurrentSince Sep 23, 2019 Accepting new patients
Washington University CurrentSince Dec 1, 2019 Accepting new patients
Marion Eye Centers LTD. Optometrist Past Accepting new patients

Locations

1224 Graham Rd
Ste 2007
Florissant, MO 63031
Phone (314) 837-3667

3513 Harry S Truman Blvd
Saint Charles, MO 63301
Phone (636) 688-7500

1 Barnes Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-9170

12692 Lamplighter Square Shpg Ctr
Saint Louis, MO 63128
Phone (314) 432-5478

12990 Manchester Rd
Ste 201
Saint Louis, MO 63131
Phone (314) 909-0633

4901 Forest Park Ave
Fl 6
Saint Louis, MO 63108

621 S New Ballas Rd
Ste 5006B
Saint Louis, MO 63141
Phone (314) 251-5300

660 S Euclid Ave
#8096
Saint Louis, MO 63110
Phone (314) 362-3935

7331 Watson Rd
Saint Louis, MO 63119
Phone (314) 633-8575

Interoperability endpoints

  • Direct secure messaging: mark.barlow.p1@direct.ocltd.nextgenshare.com
  • Direct secure messaging: mark.barlow.p2@direct.ocltd.nextgenshare.com
  • Direct secure messaging: mbarlow1094207@direct.carenet.org

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1128038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755734400000",
    "number": "1710974183",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 736480",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731407",
            "telephone_number": "314-633-8575",
            "fax_number": "314-743-8399"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7331 WATSON RD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631194405",
            "telephone_number": "314-633-8575",
            "fax_number": "314-362-3725"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12692 Lamplighter Square Shpg Ctr",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631282746",
            "country_code": "US",
            "telephone_number": "314-432-5478",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1224 Graham Rd Ste 2007",
            "address_purpose": "LOCATION",
            "city": "Florissant",
            "state": "MO",
            "postal_code": "630318026",
            "country_code": "US",
            "telephone_number": "314-837-3667",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BARLOW",
        "first_name": "MARK",
        "middle_name": "ROBERT",
        "name_prefix": "Dr.",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-30",
        "last_updated": "2025-08-21",
        "certification_date": "2025-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "MO",
            "license": "2013007905",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "310075018",
            "state": "MO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.