Individual provider Active NPI

Raymond Joseph Kreienkamp, MD, PHD

  • Pediatric Endocrinology Physician
  • Boston, MA
National Provider Identifier
1205496643
Registry record updated May 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Endocrinology PhysicianTaxonomy code 2080P0205X
License
287083 Issued in MA
Practice address
300 Longwood Ave
Boston, MA 02115-5724
Phone
(617) 355-6000
NPI assigned
Jun 18, 2019
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 13, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Endocrinology Physician 2080P0205X 287083 MA Primary
Pediatrics Physician 208000000X 2019021239 MO

Addresses

Primary practice location

300 Longwood Ave
Boston, MA 02115-5724

Mailing address

300 Longwood Ave
Boston, MA 02115-5724
Phone (617) 355-6000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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
I20250519001670 MA Practitioner - Endocrinology 1153849641 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2019021239MOMDPediatrics Physician
287083MAMDPediatric Endocrinology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Pratt Pediatric Associates Inc Pediatrics CurrentSince Aug 2, 2025 Accepting new patients
Children'S Hospital Pediatric Associates, Inc Pediatrics CurrentSince Jul 1, 2025 Accepting new patients

Locations

300 Longwood Ave
Boston, MA 02115
Phone (617) 355-4956

800 Washington St
Boston, MA 02111
Phone (617) 636-4800

Interoperability endpoints

  • Direct secure messaging: rkreienkamp34311@direct.bostonchildrens.org

Organizations & group practices 2

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": "1560816000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747094400000",
    "number": "1205496643",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KREIENKAMP",
        "first_name": "RAYMOND",
        "middle_name": "JOSEPH",
        "credential": "MD, PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-06-18",
        "last_updated": "2025-05-13",
        "certification_date": "2025-05-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0205X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Endocrinology",
            "state": "MA",
            "license": "287083",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MO",
            "license": "2019021239",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.