Serenity Medical Weight Loss Clinic LLC

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

SERENITY MEDICAL WEIGHT LOSS CLINIC LLC

Practice address

154 Broad St Ste 1510
Nashua, NH 03063-3207

Phone

(617) 272-7057

Fax

(949) 864-3519

NPI assigned

May 22, 2025

Organization subpart

No

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

Authorized official

Name

Dr. Xiaoxi Ouyang, MDNPI 1649479064

Title

Owner

Phone

(617) 272-7057

Specialties & licenses 1

Addresses

Other names 1

• Serenity Primary Care and Medical Weight Loss Clinic Doing business as

Medicare fee-for-service enrollment

Enrolled in NH

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

Practitioners 1

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

• Xiaoxi Ouyang, MD

  • Internal Medicine Physician
  • Nashua, NH
  • NPI 1649479064
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1747872000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1758844800000",
    "number": "1003608225",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "154 BROAD ST STE 1510",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030633207",
            "telephone_number": "617-272-7057",
            "fax_number": "949-864-3519"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "154 BROAD ST STE 1510",
            "city": "NASHUA",
            "state": "NH",
            "postal_code": "030633207",
            "telephone_number": "617-272-7057",
            "fax_number": "949-864-3519"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SERENITY MEDICAL WEIGHT LOSS CLINIC LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-05-22",
        "last_updated": "2025-09-26",
        "certification_date": "2025-09-26",
        "status": "A",
        "authorized_official_last_name": "OUYANG",
        "authorized_official_first_name": "XIAOXI",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "617-272-7057",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Serenity Primary Care and Medical Weight Loss Clinic",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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• Internal Medicine Physician in Nashua, NH
• Providers in Nashua, NH by specialty
• Internal Medicine Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 26, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.