Ann M Mass, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

CO21624 Issued in CO

Practice address

225 N Mill St
Ste 116
Aspen, CO 81611-1958

Phone

(970) 544-1234

Fax

(970) 544-1310

NPI assigned

Jun 9, 2005

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

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Opted out of Medicare

Yes, effective Jan 1, 2024 through Jan 1, 2028

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• Direct secure messaging: ann.mass.1@29471.direct.athenahealth.com

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

{
    "created_epoch": "1118275200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1453766400000",
    "number": "1598769358",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 N MILL ST",
            "address_2": "STE 116",
            "city": "ASPEN",
            "state": "CO",
            "postal_code": "816111958",
            "telephone_number": "970-544-1234",
            "fax_number": "970-544-1310"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "225 N MILL ST",
            "address_2": "STE 116",
            "city": "ASPEN",
            "state": "CO",
            "postal_code": "816111958",
            "telephone_number": "970-544-1234",
            "fax_number": "970-544-1310"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASS",
        "first_name": "ANN",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-06-09",
        "last_updated": "2016-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CO",
            "license": "21624",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "CO21624",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01216241",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Charlotte Lockhart Margulies, LCSW
• Susan M. Markwood, B.A.
• Brooke Leigh Marshall, PHARM.D.
• Gladys M Martinez-Augello, MSW,LAC, ACD
• Joseph C Martinez, M.D.
• Lindsay Erin May, M.A.
• Cameron McCall, PA-C
• Patricia McCall, RN
• Serena McGown-Kauffman
• Glen David McLeod, PT

• Internal Medicine Physician in Aspen, CO
• Providers in Aspen, CO by specialty
• Internal Medicine Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 26, 2016; 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; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.