Individual provider Active NPI

Ralf Holzer, MD

  • Pediatric Cardiology Physician
  • New York, NY
National Provider Identifier
1629064795
Registry record updated Oct 15, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Cardiology PhysicianTaxonomy code 2080P0202X
License
287050 Issued in NY
Practice address
525 E 68TH St
New York, NY 10065-4870
Phone
(212) 746-3561
NPI assigned
Sep 23, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 15, 2018

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Interventional Cardiology Physician 207RI0011X 35086049 OH
Pediatric Cardiology Physician 2080P0202X 35086049 OH
Pediatric Cardiology Physician 2080P0202X 287050 NY Primary

Addresses

Primary practice location

525 E 68TH St
New York, NY 10065-4870

Mailing address

525 E 68TH St # F666
New York, NY 10065-4870
Phone (212) 746-2240

Other identifiers 4

IdentifierTypeStateIssuer
HO4168321OtherOHIO MEDICARE
64107337MedicaidKY
3810004595MedicaidWV
2576985MedicaidOH

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CA2 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
I20170616001057 NY Practitioner - Pediatric MedicinePractitioner - Other (Physician)Practitioner - Cardiovascular Disease (Cardiology) 8820022981 Reassigns benefits to 3 organizations
I20221202000663 CA Practitioner - Pediatric MedicinePractitioner - Cardiovascular Disease (Cardiology) 8820022981 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pediatric MedicineAlso: Cardiovascular Disease (Cardiology)
Education
Other, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Regents of the Univ of CaGroup PAC ID 3375456619, 1,571 clinicians

Practice addresses (Care Compare)

2521 Stockton Blvd
Sacramento, CA 95817-2207
Phone (916) 734-2111

Merit-based Incentive Payment System (MIPS)

Final score
83.15 of 100Reported as group
Quality
64.8
Promoting interoperability
100
Improvement activities
40
Cost
68.65

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
35086049OHMDInterventional Cardiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
New York Queens Medicine and Surgery, P.C. CurrentSince Mar 10, 2018 Accepting new patients
Regents of the Univ of Ca Pediatric Cardiology CurrentSince Dec 1, 2022 Accepting new patients
Weill Medical College of Cornell Pediatric Cardiology CurrentSince Jun 1, 2017 Accepting new patients
Regents of the Univ of Ca CurrentSince Dec 1, 2022 Accepting new patients
Memorial Pediatric Group CurrentSince Feb 22, 2018 Accepting new patients
Regents of the University of California CurrentSince Sep 5, 2025 Accepting new patients
New York Queens Medicine and Surgery, P.C. CurrentSince Mar 10, 2018 Accepting new patients
Regents of the Univ of Ca Current Accepting new patients
Weill Medical College of Cornell CurrentSince Jun 1, 2017 Accepting new patients
Weill Medical College of Cornell Current Accepting new patients
Regents of the Univ of Ca Past Accepting new patients
Essent PRMC LP Past Accepting new patients

Locations

3247 Esplanade
Ste 165
Chico, CA 95973
Phone (530) 715-2900

4900 Broadway
Ste 2800
Sacramento, CA 95820
Phone (916) 734-9313

2521 Stockton Blvd
Ste 3200
Sacramento, CA 95817
Phone (916) 734-3112

2521 Stockton Blvd
Sacramento, CA 95817
Phone (916) 734-1104

4860 Y St
Ste 200
Sacramento, CA 95817
Phone (916) 734-3761

16303 Horace Harding Expy
Fl 2
Fresh Meadows, NY 11365
Phone (718) 888-9121

525 E 68th St
#M6
New York, NY 10065
Phone (212) 746-3558

525 E 68th St
#F666
New York, NY 10065
Phone (212) 746-3561

525 E 68th St
New York, NY 10065
Phone (212) 746-2846

1275 York Ave
New York, NY 10065
Phone (212) 639-3813

1981 Marcus Ave
Ste 208
North New Hyde Park, NY 11042
Phone (718) 670-1415

Networks

  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H3359

Organizations & group practices 12

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.

NPI Registry JSON

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

{
    "created_epoch": "1127433600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1539561600000",
    "number": "1629064795",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "525 E 68TH ST # F666",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100654870",
            "telephone_number": "212-746-2240",
            "fax_number": "614-722-2549"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "525 E 68TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100654870",
            "telephone_number": "212-746-3561"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLZER",
        "first_name": "RALF",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-23",
        "last_updated": "2018-10-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "OH",
            "license": "35086049",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "OH",
            "license": "35086049",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "NY",
            "license": "287050",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OHIO MEDICARE",
            "identifier": "HO4168321",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "64107337",
            "state": "KY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3810004595",
            "state": "WV"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2576985",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.