Individual provider Active NPI

Karen Andrea Markosian, MD

  • Family Medicine Physician
  • Allentown, PA
National Provider Identifier
1649929985
Registry record updated Apr 11, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
MT224925 Issued in PA
Practice address
450 Chew St Ste 101
Allentown, PA 18102-3434
Phone
(610) 776-4888
NPI assigned
Mar 23, 2022
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 11, 2022

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X MT224925 PA Primary

Addresses

Primary practice location

450 Chew St Ste 101
Allentown, PA 18102-3434

Mailing address

450 Chew St Ste 101
Allentown, PA 18102-3434
Phone (610) 776-4888

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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 1

Enrollment IDStateProvider typePAC IDDetails
I20260109001017 NY Practitioner - Family Practice 7012493034 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Westchester Medical Group, P.CGroup PAC ID 6406752963, 410 clinicians

Practice addresses (Care Compare)

171 Huguenot St
New Rochelle, NY 10801-7760
Phone (914) 607-5800

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MT224925PAMDFamily Medicine Physician
338679NYMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Westchester Medical Group, P.C. CurrentSince Oct 13, 2025 Accepting new patients
The Westchester Medical Group PC CurrentSince Oct 13, 2025 Accepting new patients

Locations

171 Huguenot St
New Rochelle, NY 10801
Phone (914) 607-5820

210 Westchester Ave
White Plains, NY 10604
Phone (914) 681-3100

Interoperability endpoints

  • Direct secure messaging: karen.markosian.1@21260.direct.athenahealth.com

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1647993600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1649635200000",
    "number": "1649929985",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 CHEW ST STE 101",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "181023434",
            "telephone_number": "610-776-4888"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 CHEW ST STE 101",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "181023434",
            "telephone_number": "610-776-4888"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKOSIAN",
        "first_name": "KAREN",
        "middle_name": "ANDREA",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-03-23",
        "last_updated": "2022-04-11",
        "certification_date": "2022-04-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "PA",
            "license": "MT224925",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Allentown, PA

Sources for this page

Verify at the official NPI Registry.