Individual provider Active NPI

Maritza Terese Harper, M.D.

  • Internal Medicine Physician
  • Pittsburgh, PA
National Provider Identifier
1285973123
Registry record updated Apr 4, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD469451 Issued in PA
Practice address
4401 Penn Ave FL 3
Pittsburgh, PA 15224-1334
Phone
(412) 692-5135
NPI assigned
Feb 13, 2013
Last updated
Apr 4, 2023By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 4, 2023

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

Specialties & licenses 8

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X C1-0012221 DE
Internal Medicine Physician 207R00000X D91075 MD
Pediatrics Physician 208000000X MD469451 PA
Pediatrics Physician 208000000X C1-0012221 DE
Pediatrics Physician 208000000X D91075 MD
General Practice Physician 208D00000X 0101256841 VA
Student in an Organized Health Care Education/Training Program 390200000X MT224829 PA
Internal Medicine Physician 207R00000X MD469451 PA Primary

Addresses

Primary practice location

4401 Penn Ave FL 3
Pittsburgh, PA 15224-1334

Mailing address

3600 Forbes Ave Ste 140
Pittsburgh, PA 15213-3410

Other practice location 1

501 W 14th St
Wilmington, DE 19801-1013
Phone (302) 320-4410

Other practice location 2

106 Bow St
Elkton, MD 21921-5544
Phone (443) 392-4000

Other practice location 3

4755 Ogletown Stanton Rd
Newark, DE 19718-2200
Phone (412) 848-7822

Other practice location 4

200 Lothrop St
Pittsburgh, PA 15213-2536
Phone (412) 647-4044

Other practice location 5

3459 5th Ave # Muhg100
Pittsburgh, PA 15213-3236
Phone (412) 647-4044

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address UPMChospitals@upmcdirect.com Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DE, MD, PA3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20210617003055 DE Practitioner - Internal Medicine 6709155898 Reassigns benefits to 2 organizations
I20210727004120 MD Practitioner - Internal Medicine 6709155898 Reassigns benefits to 1 organization
I20230504001262 PA Practitioner - Pediatric MedicinePractitioner - Internal MedicinePractitioner - Hospitalist 6709155898 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pediatric MedicineAlso: Hospitalist, Internal Medicine
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of Pittsburgh PhysiciansGroup PAC ID 8729990239, 4,166 clinicians
Pinnacle Health Hospitalist Services LLCGroup PAC ID 9739313545, 180 clinicians

Practice addresses (Care Compare)

2 Hot Meal St
Pittsburgh, PA 15203-2348

200 Lothrop St
Pittsburgh, PA 15213-2536

4300 Londonderry Rd
Harrisburg, PA 17109-5317
Phone (717) 657-7332

5230 Centre Ave
Pittsburgh, PA 15232-1304

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C1-0012221DEMDPediatrics Physician
D91075MDMDPediatrics Physician
0101256841VAMDGeneral Practice Physician
MT224829PAMDStudent in an Organized Health Care Education/Training Program

Practice roles

OrganizationSpecialtyStatusNew patients
Pinnacle Health Hospitalist Services LLC Internal Medicine CurrentSince Oct 1, 2025 Accepting new patients
Union Hospital of Cecil County Internal Medicine CurrentSince Jul 1, 2021 Accepting new patients
Christiana Care Health Services Inc Internal Medicine CurrentSince Jul 1, 2021 Accepting new patients
University of Pittsburgh Physicians CurrentSince Jun 1, 2023 Accepting new patients
Pinnacle Health Medical Services CurrentSince Aug 1, 2025 Accepting new patients
University of Pittsburgh Physicians Internal Medicine CurrentSince Jun 1, 2023 Accepting new patients
University of Pittsburgh Physicians Current Accepting new patients
Christiana Care Health Services Inc Internal Medicine CurrentSince Jul 1, 2021 Accepting new patients
Pinnacle Health Medical Services CurrentSince Aug 1, 2025 Accepting new patients
Christiana Care Health Services Inc CurrentSince Jul 1, 2021 Accepting new patients
Pinnacle Health Medical Services Internal Medicine Current Accepting new patients
Upmc Children's Hospital of Pittsburgh Past Accepting new patients
Upmc Presbyterian Shadyside Past Accepting new patients
Upmc Magee-Womens Hospital Past Accepting new patients

Locations

4755 Ogletown Stanton Rd
Newark, DE 19718
Phone (302) 733-1700

4755 Ogletown Stanton Rd
Ste 5A43
Newark, DE 19718
Phone (302) 623-0188

1401 Foulk Rd
Ste 100B
Wilmington, DE 19803
Phone (302) 320-9440

501 W 14th St
Wilmington, DE 19801
Phone (302) 320-4411

106 Bow St
Elkton, MD 21921
Phone (410) 298-2000

111 S Front St
Harrisburg, PA 17101
Phone (717) 782-3282

2501 N 3rd St
Fl 2
Harrisburg, PA 17110
Phone (717) 782-2100

4300 Londonderry Rd
Lower Paxton, PA 17109
Phone (717) 597-7044

2 Hot Metal St
#One
Pittsburgh, PA 15203
Phone (412) 432-5864

200 Lothrop St
Pittsburgh, PA 15213
Phone (412) 647-3553

3600 Forbes Ave
Ste 140
Pittsburgh, PA 15213

4401 Penn Ave
Fl 3
Pittsburgh, PA 15224
Phone (412) 692-5135

519 Penn Ave
Ste 206
Turtle Creek, PA 15145
Phone (412) 823-3121

Interoperability endpoints

  • Direct secure messaging: maritza.harper@upmcdirect.com
  • Direct secure messaging: mharper111742@upmc.direct-ci.com
  • Direct secure messaging: upmchospitals@upmcdirect.com

Organizations & group practices 14

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 14

Hospital & facility affiliations 4

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": "1360713600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1680566400000",
    "number": "1285973123",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3600 FORBES AVE STE 140",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152133410"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4401 PENN AVE FL 3",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152241334",
            "telephone_number": "412-692-5135"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "501 W 14th St",
            "address_purpose": "LOCATION",
            "city": "Wilmington",
            "state": "DE",
            "postal_code": "198011013",
            "country_code": "US",
            "telephone_number": "302-320-4410",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "106 Bow St",
            "address_purpose": "LOCATION",
            "city": "Elkton",
            "state": "MD",
            "postal_code": "219215544",
            "country_code": "US",
            "telephone_number": "443-392-4000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4755 Ogletown Stanton Rd",
            "address_purpose": "LOCATION",
            "city": "Newark",
            "state": "DE",
            "postal_code": "197182200",
            "country_code": "US",
            "telephone_number": "412-848-7822",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 Lothrop St",
            "address_purpose": "LOCATION",
            "city": "Pittsburgh",
            "state": "PA",
            "postal_code": "152132536",
            "country_code": "US",
            "telephone_number": "412-647-4044",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3459 5th Ave # Muhg100",
            "address_purpose": "LOCATION",
            "city": "Pittsburgh",
            "state": "PA",
            "postal_code": "152133236",
            "country_code": "US",
            "telephone_number": "412-647-4044",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARPER",
        "first_name": "MARITZA",
        "middle_name": "TERESE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-02-13",
        "last_updated": "2023-04-04",
        "certification_date": "2023-04-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "DE",
            "license": "C1-0012221",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D91075",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "PA",
            "license": "MD469451",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "DE",
            "license": "C1-0012221",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MD",
            "license": "D91075",
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "VA",
            "license": "0101256841",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "PA",
            "license": "MT224829",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD469451",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "UPMChospitals@upmcdirect.com",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "600 Grant St Fl 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192739",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Pittsburgh, PA

Sources for this page

Verify at the official NPI Registry.