NPIMap

Individual provider Active NPI

Michael Stuart Rosen, M.D.

  • Internal Medicine Physician
  • West Chester, PA
National Provider Identifier
1619931672
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD024177E Issued in PA
Practice address
795 E Marshall St
Suite 101
West Chester, PA 19380-4400
Phone
(610) 692-4666
Fax
(610) 692-8261
NPI assigned
Apr 14, 2006
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD024177E PA Primary
Rheumatology Physician 207RR0500X MD024177E PA

Addresses

Primary practice location

795 E Marshall St
Suite 101
West Chester, PA 19380-4400

Mailing address

795 E Marshall St
Suite 101
West Chester, PA 19380-4400
Phone (610) 692-4666

Other identifiers 6

IdentifierTypeStateIssuer
46674OtherPAKEYSTONE MERCY
0026138000OtherKEYSTONE HEALTH PLAN EAST
084229OtherPAHIGHMARK
1151689007OtherCIGNA
0008586860001MedicaidPA
2533691OtherAETNA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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
I20080606000309 PA Practitioner - RheumatologyPractitioner - Internal Medicine 1759451412 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
RheumatologyAlso: Internal Medicine
Education
Medical College of Pennsylvania, 1979
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Chester County Rheumatology PCGroup PAC ID 1456421114, 2 clinicians

Practice addresses (Care Compare)

795 E Marshall St
Suite 101
West Chester, PA 19380-4400
Phone (610) 692-4666

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
97.57 of 100Reported as group
Quality
95.13
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Chester County Rheumatology PC Rheumatology CurrentSince May 30, 2008 Accepting new patients
Rosen Medical Associates Rheumatology PastSince May 30, 2008 Accepting new patients

Locations

213 Reeceville Rd
Ste 35
Coatesville, PA 19320
Phone (610) 466-0300

795 E Marshall St
Ste 101
West Chester, PA 19380
Phone (610) 692-4666

Interoperability endpoints

  • Direct secure messaging: michael.rosen@chestercountyrheumatologypc.chartmakerdirect.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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1144972800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1619931672",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "795 E MARSHALL ST",
            "address_2": "SUITE 101",
            "city": "WEST CHESTER",
            "state": "PA",
            "postal_code": "193804400",
            "telephone_number": "610-692-4666",
            "fax_number": "610-692-8261"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "795 E MARSHALL ST",
            "address_2": "SUITE 101",
            "city": "WEST CHESTER",
            "state": "PA",
            "postal_code": "193804400",
            "telephone_number": "610-692-4666",
            "fax_number": "610-692-8261"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROSEN",
        "first_name": "MICHAEL",
        "middle_name": "STUART",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD024177E",
            "primary": true
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "PA",
            "license": "MD024177E",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KEYSTONE MERCY",
            "identifier": "46674",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KEYSTONE HEALTH PLAN EAST",
            "identifier": "0026138000",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIGHMARK",
            "identifier": "084229",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "1151689007",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0008586860001",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "2533691",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in West Chester, PA

Sources for this page

Verify at the official NPI Registry.