NPIMap

Individual provider Active NPI

Marietta Lim Uy, MD

  • Internal Medicine Physician
  • Phoenix, AZ
National Provider Identifier
1891781290
Registry record updated Aug 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
24339 Issued in AZ
Practice address
721 E Brookwood CT
Phoenix, AZ 85048-1947
Phone
(602) 821-6583
NPI assigned
Sep 21, 2005
Last updated
Aug 25, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 24339 AZ Primary

Addresses

Primary practice location

721 E Brookwood CT
Phoenix, AZ 85048-1947

Mailing address

3115 S Price Rd
#23-117
Chandler, AZ 85248-3544
Phone (888) 488-7640

Other identifiers 1

IdentifierTypeStateIssuer
363276-03MedicaidAZ

Other names 1

  • Marietta Lim Mangubat Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100706000369 AZ Practitioner - Internal Medicine 3476684507 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Pioneer Hospitalists, PLLCGroup PAC ID 0941290290, 50 clinicians

Practice addresses (Care Compare)

475 S Dobson Rd
Chandler, AZ 85224-5605
Phone (888) 488-7640

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
17.3 of 100Reported as individual
Quality
0
Promoting interoperability
0
Improvement activities
0
Cost
57.67

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
24339AZMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Pioneer Hospitalists, PLLC Internal Medicine CurrentSince Aug 1, 2014 Accepting new patients
Chandler United Medical Investors Limited Partnership Past Accepting new patients
Muriel Healthcare LLC PastSince May 1, 2024 Accepting new patients
Gita Jafari-Raske, M.D., PLLC Internal Medicine PastSince Sep 29, 2019 Accepting new patients
Ocotillo Healthcare, Inc. Past Accepting new patients

Locations

3115 S Price Rd
#23117
Chandler, AZ 85248

3100 W Ray Rd
Ste 201
Chandler, AZ 85226
Phone (269) 312-1446

3115 S Price Rd
Chandler, AZ 85248
Phone (480) 855-4011

6644 E Baywood Ave
Mesa, AZ 85206
Phone (480) 321-2000

Ownership & related parties

All facility ownership & control disclosures 3

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Chandler Post Acute and RehabilitationChandler, AZ, CCN 035101 Skilled nursing facility Operational/Managerial Control
Managing Control - Governing Body
Adp of the SNF		 May 9, 2016
May 9, 2016
May 9, 2016
River Park Post AcuteChandler, AZ, CCN 035251 Skilled nursing facility Operational/Managerial Control
Managing Control - Governing Body
Adp of the SNF		 May 1, 2024
May 1, 2024
May 1, 2024
Arizona American Hospice LLCPhoenix, AZ, CCN 031751 Hospice W-2 Managing Employee Jan 11, 2022

Owned or controlled facilities with NPI records 3

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 5

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.

Hospital & facility affiliations 5

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

NPI Registry JSON

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

{
    "created_epoch": "1127260800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1891781290",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3115 S PRICE RD",
            "address_2": "#23-117",
            "city": "CHANDLER",
            "state": "AZ",
            "postal_code": "852483544",
            "telephone_number": "888-488-7640"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "721 E BROOKWOOD CT",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850481947",
            "telephone_number": "602-821-6583"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "UY",
        "first_name": "MARIETTA",
        "middle_name": "LIM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-09-21",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "24339",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "363276-03",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARIETTA",
            "last_name": "MANGUBAT",
            "middle_name": "LIM",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Phoenix, AZ

Sources for this page

Verify at the official NPI Registry.