Individual provider Active NPI

John C Baer, M.D.

  • Ophthalmology Physician
  • Baltimore, MD
National Provider Identifier
1013984848
Registry record updated Dec 12, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
D0029740 Issued in MD
Practice address
600 N Wolfe St
Baltimore, MD 21287-0005
Phone
(410) 955-5000
NPI assigned
Mar 1, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 12, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X MD418865 PA
Ophthalmology Physician 207W00000X D0029740 MD Primary

Addresses

Primary practice location

600 N Wolfe St
Baltimore, MD 21287-0005

Mailing address

6201 Greenleigh Ave
Baltimore, MD 21220-2004

Other practice location 1

250 E Walnut St
Hanover, PA 17331-2534
Phone (717) 632-6063

Other identifiers 11

IdentifierTypeStateIssuer
4121977OtherPAAETNA PPO
1308JCOtherMDCAREFIRST BC BS
3190310OtherPAAETNA HMO
3821719OtherMDAETNA MARYLAND OFFICES
50000867OtherPACAPITAL BLUE CROSS
1363854OtherPAHIGHMARK BLUE SHIELD
180044592OtherPARAILROAD MEDICARE
50000867OtherPAKEYSTONE HPC
T274 0001OtherMDCAREFIRST BLUE CHOICE
P00050680OtherMDRAILROAD MEDICARE
D0029740MedicaidMD

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jbaer@spec.integrityemrdirect.com Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, MD2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20110726000323 PA Practitioner - Ophthalmology 6204853153
I20110802000442 MD Practitioner - Ophthalmology 6204853153 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
University of Maryland School of Medicine, 1982
Medicare assignment
May accept Medicare assignment
Group practices
Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians

Practice addresses (Care Compare)

10751 Falls Rd
Lutherville, MD 21093-4517
Phone (410) 955-3663

1800 Orleans St
Baltimore, MD 21287-0010
Phone (410) 955-5000

4940 Eastern Ave
Baltimore, MD 21224-2735
Phone (410) 550-0100

6201 Greenleigh Ave
Middle River, MD 21220-2004

Hospital & facility affiliations

  • Johns Hopkins Bayview Medical Center Hospital, Baltimore, MD, CCN 210029
  • Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery14

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University Ophthalmology CurrentSince Nov 1, 2024 Accepting new patients
Johns Hopkins University Ophthalmology CurrentSince Nov 1, 2024 Accepting new patients
Johns Hopkins University Current Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
George S. Malouf, M.D., P.a. Ophthalmology Past Accepting new patients
Mohr & Barber MD LLC Ophthalmology Past Accepting new patients

Locations

600 N Wolfe St
Baltimore, MD 21287

6201 Greenleigh Ave
Middle River, MD 21220
Phone (410) 933-2704

10751 Falls Rd
Timonium, MD 21093
Phone (410) 583-2727

Interoperability endpoints

  • Direct secure messaging: jbaer1319602@direct.hopkinsmedicine.org

Organizations & group practices 6

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

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1141171200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1733961600000",
    "number": "1013984848",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212202004"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 N WOLFE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870005",
            "telephone_number": "410-955-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "250 E Walnut St",
            "address_purpose": "LOCATION",
            "city": "Hanover",
            "state": "PA",
            "postal_code": "173312534",
            "country_code": "US",
            "telephone_number": "717-632-6063",
            "fax_number": "717-632-8337",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BAER",
        "first_name": "JOHN",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-01",
        "last_updated": "2024-12-12",
        "certification_date": "2024-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "PA",
            "license": "MD418865",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MD",
            "license": "D0029740",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA PPO",
            "identifier": "4121977",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BC BS",
            "identifier": "1308JC",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA HMO",
            "identifier": "3190310",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA MARYLAND OFFICES",
            "identifier": "3821719",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAPITAL BLUE CROSS",
            "identifier": "50000867",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIGHMARK BLUE SHIELD",
            "identifier": "1363854",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "180044592",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KEYSTONE HPC",
            "identifier": "50000867",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BLUE CHOICE",
            "identifier": "T274 0001",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00050680",
            "state": "MD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "D0029740",
            "state": "MD"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jbaer@spec.integrityemrdirect.com",
            "affiliation": "N",
            "endpointDescription": "Direct Address",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "contentOtherDescription": "Hanover",
            "address_1": "250 E Walnut St",
            "city": "Hanover",
            "state": "PA",
            "country_code": "US",
            "postal_code": "173312534",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.