East Side Primary Medical Care, P.C.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

172225 Issued in NY

Legal business name

EAST SIDE PRIMARY MEDICAL CARE, P.C.

Practice address

229 E 79TH St
New York, NY 10075-0866

Phone

(212) 737-2000

NPI assigned

Mar 31, 2009

Organization subpart

No

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

Authorized official

Name

Dr. Daniel P Klein, M.D.NPI 1306924519

Title

President

Phone

(212) 737-2000

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Enrollment records 1

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/20953/brand/1/csg/1/fhir/r4

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Daniel P Klein, M.D.

  • Internal Medicine Physician
  • New York, NY
  • NPI 1306924519
  Medicare reassignment NPD Authorized official
• Corazon Bautista Cajulis, N.P.

  • Adult Health Nurse Practitioner
  • New York, NY
  • NPI 1467757468
  NPD

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

{
    "created_epoch": "1238457600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782864000000",
    "number": "1508008996",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "229 E 79TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100750866",
            "telephone_number": "212-737-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "229 E 79TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100750866",
            "telephone_number": "212-737-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "EAST SIDE PRIMARY MEDICAL CARE, P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2009-03-31",
        "last_updated": "2026-07-01",
        "certification_date": "2026-07-01",
        "status": "A",
        "authorized_official_last_name": "KLEIN",
        "authorized_official_first_name": "DANIEL",
        "authorized_official_middle_name": "P",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "212-737-2000",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "172225",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• East Side Medical, P.C.
• East Side Oncology Associates PLLC Dba American Infusion Center (American Infusion Center)
• East Side Pediatric Dental
• East Side Pharmacy, Inc (Eastview Pharmacy)
• East Side Podiatric Surgical Suite P.C.
• East Side Psychiatric Services, PC
• East Side Smile Solutions Dentistry PC (East Side Smile Solutions)
• East Side Social
• East Side Specialized Services Inc
• East Side Sports Physical Therapy, P.C.

• Internal Medicine Physician in New York, NY
• Providers in New York, NY by specialty
• Internal Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.