Individual provider Active NPI

Catherine L Mueller, M.D.

  • Internal Medicine Physician
  • Lebanon, NH
National Provider Identifier
1033596762
Registry record updated Dec 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
20028 Issued in NH
Practice address
1 Medical Center Dr
DHMC Department of Internal Medicine
Lebanon, NH 03756-1000
Phone
(603) 650-5000
Fax
(603) 640-1228
NPI assigned
May 1, 2015
Last updated
Dec 15, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 15, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Internal Medicine Physician 207R00000X 20028 NH Primary
Internal Medicine Physician 207R00000X MD22038 ME

Addresses

Primary practice location

1 Medical Center Dr
DHMC Department of Internal Medicine
Lebanon, NH 03756-1000

Mailing address

1 Medical Center Dr
Lebanon, NH 03756-0001
Phone (603) 650-8380

Other practice location 1

1 Medical Dr
Biddeford, ME 04005-9422
Phone (207) 283-7939

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME, NH2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20180809006190 ME Practitioner - Hospitalist 8426318007 Reassigns benefits to 2 organizations
I20220318000861 NH Practitioner - Hospitalist 8426318007 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
University of Arizona College of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dartmouth-Hitchcock ClinicGroup PAC ID 4183537509, 1,445 clinicians
MainehealthGroup PAC ID 7517860588, 2,616 clinicians
Alice Peck Day Memorial HospitalGroup PAC ID 6103737531, 132 clinicians

Practice addresses (Care Compare)

1 Medical Ctr Dr
Lebanon, NH 03756-1000
Phone (603) 650-5000

1 Medical Ctr Dr
Biddeford, ME 04005-9422
Phone (207) 282-4270

10 Alice Peck Day Dr
Lebanon, NH 03766-2900
Phone (603) 448-3121

22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905

273 Country Rd
New London, NH 03257-5736
Phone (603) 526-5215

5 Alice Peck Day Dr
Lebanon, NH 03766-2901
Phone (603) 448-3122

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
79.66 of 100Reported as apm
Quality
53.51
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
79.66 of 100Reported as apm
Quality
53.51
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
79.66 of 100Reported as apm
Quality
53.51
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
97.93 of 100Reported as apm
Quality
83.31
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD22038MEMDInternal Medicine Physician
20028NHMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Alice Peck Day Memorial Hospital Internal Medicine CurrentSince Mar 7, 2022 Accepting new patients
Mainehealth CurrentSince Nov 1, 2018 Accepting new patients
Mary Hitchcock Memorial Hospital Internal Medicine CurrentSince Jan 2, 2025 Accepting new patients
Alice Peck Day Memorial Hospital Internal Medicine Current Accepting new patients
Mainehealth CurrentSince Jul 31, 2018 Accepting new patients
Dartmouth-Hitchcock Clinic Internal Medicine CurrentSince Mar 7, 2022 Accepting new patients
The New London Hospital Association, Inc. CurrentSince Jun 1, 2025 Accepting new patients
Mainehealth CurrentSince Jul 31, 2018 Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Jan 2, 2025 Accepting new patients
Mainehealth Current Accepting new patients
The New London Hospital Association, Inc. Internal Medicine CurrentSince Jun 1, 2025 Accepting new patients
Mainehealth CurrentSince Nov 1, 2018 Accepting new patients
Alice Peck Day Memorial Hospital CurrentSince Mar 7, 2022 Accepting new patients
Mainehealth Internal Medicine Past Accepting new patients
The New London Hospital Association, Inc. Past Accepting new patients

Locations

1 Medical Dr
Biddeford, ME 04005
Phone (207) 283-7000

22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179

1 Medical Dr
Lebanon, NH 03756
Phone (603) 650-5922

5 Alice Peck Day Dr
Lebanon, NH 03766
Phone (603) 448-3996

273 County Rd
New London, NH 03257
Phone (603) 526-5215

Interoperability endpoints

  • Direct secure messaging: cmueller174027@direct.dartmouth-hitchcock.org
  • Direct secure messaging: cmueller225827@direct.mmc.mainehealth.org
  • FHIR API: https://edhwebportal.hitchcock.org/FHIRProxy/api/FHIR/R4/

Organizations & group practices 15

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 15

Hospital & facility affiliations 47

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

View all 47

NPI Registry JSON

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

{
    "created_epoch": "1430438400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1033596762",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 MEDICAL CENTER DR",
            "city": "LEBANON",
            "state": "NH",
            "postal_code": "037560001",
            "telephone_number": "603-650-8380"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 MEDICAL CENTER DR",
            "address_2": "DHMC DEPARTMENT OF INTERNAL MEDICINE",
            "city": "LEBANON",
            "state": "NH",
            "postal_code": "037561000",
            "telephone_number": "603-650-5000",
            "fax_number": "603-640-1228"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Medical Dr",
            "address_purpose": "LOCATION",
            "city": "Biddeford",
            "state": "ME",
            "postal_code": "040059422",
            "country_code": "US",
            "telephone_number": "207-283-7939",
            "fax_number": "207-283-7018",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MUELLER",
        "first_name": "CATHERINE",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-05-01",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NH",
            "license": "20028",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "MD22038",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lebanon, NH

Sources for this page

Verify at the official NPI Registry.