Peter Howard Rheinstein, M.D.

Primary specialty

Geriatric Medicine (Family Medicine) PhysicianTaxonomy code 207QG0300X

License

MD8060 Issued in DC

Practice address

621 Holly Ridge Rd
Severna Park, MD 21146-3520

Phone

(410) 647-9500

Fax

(410) 647-6135

NPI assigned

May 23, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 12

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1148342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1962457853",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "621 HOLLY RIDGE RD",
            "city": "SEVERNA PARK",
            "state": "MD",
            "postal_code": "211463520",
            "telephone_number": "410-647-9500",
            "fax_number": "410-647-6135"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 HOLLY RIDGE RD",
            "city": "SEVERNA PARK",
            "state": "MD",
            "postal_code": "211463520",
            "telephone_number": "410-647-9500",
            "fax_number": "410-647-6135"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RHEINSTEIN",
        "first_name": "PETER",
        "middle_name": "HOWARD",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MD",
            "license": "D16565",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "DC",
            "license": "MD8060",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "G16665",
            "primary": false
        },
        {
            "code": "207QG0300X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Geriatric Medicine",
            "state": "MD",
            "license": "D16565",
            "primary": false
        },
        {
            "code": "207QG0300X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Geriatric Medicine",
            "state": "CA",
            "license": "G16665",
            "primary": false
        },
        {
            "code": "207QG0300X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Geriatric Medicine",
            "state": "DC",
            "license": "MD8060",
            "primary": true
        },
        {
            "code": "208U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Pharmacology",
            "state": "MD",
            "license": "D16565",
            "primary": false
        },
        {
            "code": "208U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Pharmacology",
            "state": "DC",
            "license": "MD8060",
            "primary": false
        },
        {
            "code": "208U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Pharmacology",
            "state": "CA",
            "license": "G16665",
            "primary": false
        },
        {
            "code": "209800000X",
            "taxonomy_group": "",
            "desc": "Legal Medicine",
            "state": "MD",
            "license": "D16565",
            "primary": false
        },
        {
            "code": "209800000X",
            "taxonomy_group": "",
            "desc": "Legal Medicine",
            "state": "DC",
            "license": "MD8060",
            "primary": false
        },
        {
            "code": "209800000X",
            "taxonomy_group": "",
            "desc": "Legal Medicine",
            "state": "CA",
            "license": "G16665",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lauren A Reider, LCSW-C
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• Geriatric Medicine (Family Medicine) Physician in Severna Park, MD
• Providers in Severna Park, MD by specialty
• Geriatric Medicine (Family Medicine) Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.