Individual provider Active NPI

Howard Chen, MD

  • Ophthalmology Physician
  • Saint Louis, MO
National Provider Identifier
1619537776
Registry record updated Jul 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
346306 Issued in LA
Practice address
1 Barnes Jewish Hospital PLZ
Saint Louis, MO 63110-1003
Phone
(314) 362-5000
NPI assigned
Jun 19, 2019
Last updated
Jul 10, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 2019018937 MO
Ophthalmology Physician 207W00000X 346306 LA Primary

Addresses

Primary practice location

1 Barnes Jewish Hospital PLZ
Saint Louis, MO 63110-1003

Mailing address

660 S Euclid Ave
Internal Medicine, Box 8121
Saint Louis, MO 63110-1010
Phone (314) 362-5000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in LA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250714002093 LA Practitioner - Ophthalmology 9931435153 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Azar Instruments Inc.Group PAC ID 2466416540, 9 clinicians
Williamson Eye CenterGroup PAC ID 9335131192, 19 clinicians

Practice addresses (Care Compare)

516 Saint Landry St
Lafayette, LA 70506-4626
Phone (337) 235-7791

550 Connell Park LN
Baton Rouge, LA 70806-6539
Phone (225) 924-2020

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Williamson Eye Center Ophthalmology CurrentSince Jul 1, 2025 Accepting new patients
Azar Instruments Inc. CurrentSince Jan 1, 2026 Accepting new patients
Williamson Eye Center Ophthalmology Current Accepting new patients
Williamson Eye Center Ophthalmology CurrentSince Jul 1, 2025 Accepting new patients
Marguerite Potier LLC Past Accepting new patients

Locations

550 Connell Park Ln
Baton Rouge, LA 70806
Phone (225) 924-2020

9001 Summa Ave
Baton Rouge, LA 70809

9001 Summa Ave
Ste 245
Baton Rouge, LA 70809
Phone (225) 490-5299

2290 S Range Ave
Denham Springs, LA 70726
Phone (225) 665-2019

2308 S Burnside Ave
Gonzales, LA 70737
Phone (225) 644-7525

516 E Landry Rd
Lafayette, LA 70506
Phone (337) 235-7791

516 Saint Landry St
Lafayette, LA 70506
Phone (318) 235-7791

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": "1560902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752105600000",
    "number": "1619537776",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "660 S EUCLID AVE",
            "address_2": "INTERNAL MEDICINE, BOX 8121",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101010",
            "telephone_number": "314-362-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "314-362-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHEN",
        "first_name": "HOWARD",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-19",
        "last_updated": "2025-07-10",
        "certification_date": "2025-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2019018937",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "LA",
            "license": "346306",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.