NPIMap

Individual provider Active NPI

Carlos H. Zem, MD

  • Nephrology Physician
  • San Antonio, TX
National Provider Identifier
1437237914
Registry record updated Mar 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
N2350 Issued in TX
Practice address
1123 N Main Ave Ste 120
San Antonio, TX 78212-4738
Phone
(210) 226-2001
NPI assigned
Nov 1, 2006
Last updated
Mar 14, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 14, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X N2350 TX Primary

Addresses

Primary practice location

1123 N Main Ave Ste 120
San Antonio, TX 78212-4738

Mailing address

16620 N US Highway 281
Ste 300
San Antonio, TX 78232-2327
Phone (210) 614-1231

Other identifiers 1

IdentifierTypeStateIssuer
203476101MedicaidTX

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090630000072 TX Practitioner - Nephrology 6305948498 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
Other, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Renal Associates, P.a.Group PAC ID 8729070628, 40 clinicians

Practice addresses (Care Compare)

1123 N Main Ave
Suite 120
San Antonio, TX 78212-4738
Phone (210) 226-2001

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as group

National Provider Directory

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

Interoperability endpoints

  • Direct secure messaging: carlos.zem@ra.eclinicaldirectplus.com

Organizations & group practices 1

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.

Hospital & facility affiliations 5

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": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741910400000",
    "number": "1437237914",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16620 N US HIGHWAY 281",
            "address_2": "STE 300",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782322327",
            "telephone_number": "210-614-1231",
            "fax_number": "210-616-0704"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1123 N MAIN AVE STE 120",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782124738",
            "telephone_number": "210-226-2001"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZEM",
        "first_name": "CARLOS",
        "middle_name": "H.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-01",
        "last_updated": "2025-03-14",
        "certification_date": "2025-03-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "TX",
            "license": "N2350",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "203476101",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.