Lyndsey Annette Stadtmueller, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

290497 Issued in MA

Practice address

26 Queen St
Worcester, MA 01610-2473

Phone

(508) 860-7800

Fax

(508) 661-3046

NPI assigned

Apr 3, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MA, RI2 enrollments

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 2

Specialty

Family Practice

Education

Other, 2019

Medicare assignment

May accept Medicare assignment

Group practices

Prime Healthcare Services Landmark LLCGroup PAC ID 3274761069, shared by 5 NPIs, 48 clinicians

Family Health Center of Worcester, Inc.Group PAC ID 4789670985, 94 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Landmark Medical Center Hospital, Woonsocket, RI, CCN 410011
• Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: lstadtmueller47862@direct.ctc.masshiway.net

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.

• Family Health Center of Worcester, Inc.

  • Federally Qualified Health Center (FQHC)
  • Worcester, MA
  • NPI 1841200664
  Medicare reassignment Care Compare group NPD
• Prime Healthcare Services Landmark LLC

  • Orthopaedic Surgery Physician
  • Woonsocket, RI
  • NPI 1457772543

  Family Medicine

  Medicare reassignment NPD
• Prime Healthcare Services Landmark LLC

  • Hematology & Oncology Physician
  • Woonsocket, RI
  • NPI 1518388651
  Medicare reassignment NPD
• Family Health Center of Worcester, Inc.

  • Clinic Pharmacy
  • Worcester, MA
  • NPI 1447399225
  NPD
• Prime Healthcare Services Landmark LLC

  • General Acute Care Hospital
  • Woonsocket, RI
  • NPI 1699752923
  NPD
• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  Care Compare affiliation
• Prime Healthcare Services Landmark LLC

  • General Acute Care Hospital
  • Woonsocket, RI
  • NPI 1699752923
  Care Compare affiliation
• Prime Healthcare Services-Landmark LLC

  • Psychiatric Hospital Unit
  • Woonsocket, RI
  • NPI 1396722666
  Care Compare affiliation

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

{
    "created_epoch": "1554249600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777852800000",
    "number": "1992267447",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26 QUEEN STREET",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016102473",
            "telephone_number": "085-860-7800",
            "fax_number": "508-661-3046"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "26 QUEEN ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016102473",
            "telephone_number": "508-860-7800",
            "fax_number": "508-661-3046"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STADTMUELLER",
        "first_name": "LYNDSEY",
        "middle_name": "ANNETTE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-03",
        "last_updated": "2026-05-04",
        "certification_date": "2026-05-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MA",
            "license": "290497",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Susan Jean St.Germain
• Karen Lynn St.Laurent, D.C.
• Stacey J Rutherford, Licsw P.C.
• Stacy Marie Stackrow, B.S.
• Tessa Stacy
• Mary M Staffa, MD
• Alane Murdock Stalcup
• Joseph Martin Stamm, O.D.
• Alan James Stamper, LMHC
• Kara Standring

• Family Medicine Physician in Worcester, MA
• Providers in Worcester, MA by specialty
• Family Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.