Individual provider Active NPI

Jon Thomas Heald, DO

  • Hematology & Oncology Physician
  • Bethesda, MD
National Provider Identifier
1639735822
Registry record updated Aug 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
2020041194 Issued in MO
Practice address
4954 N Palmer Rd BLDG 19
Bethesda, MD 20889-5630
Phone
(301) 319-2100
Fax
(301) 319-2119
NPI assigned
May 14, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 22, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 2020041194 MO
Hematology & Oncology Physician 207RH0003X 2020041194 MO Primary

Addresses

Primary practice location

4954 N Palmer Rd BLDG 19
Bethesda, MD 20889-5630

Mailing address

4954 N Palmer Rd BLDG 19
Bethesda, MD 20889-5630
Phone (301) 319-2100

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
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
I20210729001465 MO Order and Referring Only - Hematology/OncologyPractitioner - Hematology/OncologyPractitioner - Internal Medicine 6103229059

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2020041194MOMDHematology & Oncology Physician

NPI Registry JSON

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

{
    "created_epoch": "1557792000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755820800000",
    "number": "1639735822",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4954 N PALMER RD BLDG 19",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208895630",
            "telephone_number": "301-319-2100",
            "fax_number": "301-319-2119"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4954 N PALMER RD BLDG 19",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208895630",
            "telephone_number": "301-319-2100",
            "fax_number": "301-319-2119"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HEALD",
        "first_name": "JON",
        "middle_name": "THOMAS",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-05-14",
        "last_updated": "2025-08-22",
        "certification_date": "2025-08-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2020041194",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MO",
            "license": "2020041194",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bethesda, MD

Sources for this page

Verify at the official NPI Registry.