Individual provider Active NPI

William Stuart Asch, M.D., PH.D.

  • Nephrology Physician
  • New Haven, CT
National Provider Identifier
1003933326
Registry record updated Oct 27, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
044496 Issued in CT
Practice address
20 York Street CB 2041
Hospitalist Service
New Haven, CT 06510
Phone
(203) 688-4748
Fax
(203) 688-4740
NPI assigned
Mar 23, 2007
Last updated
Oct 27, 2007By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 27, 2007

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 044496 CT
Nephrology Physician 207RN0300X 044496 CT Primary
Hospitalist Physician 208M00000X 044496 CT

Addresses

Primary practice location

20 York Street CB 2041
Hospitalist Service
New Haven, CT 06510

Mailing address

216 Bishop Street
Apartment 314
New Haven, CT 06511-3794
Phone (203) 785-4184

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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
I20081020000215 CT Practitioner - Nephrology 4082772140 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
State University of New York at Stony Brook, School of Medicine, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians

Practice addresses (Care Compare)

1450 Chapel St B
New Haven, CT 06511-4405
Phone 20386754204405

20 York St
New Haven, CT 06510-3220
Phone (203) 688-4242

800 Howard Ave
New Haven, CT 06519-1369
Phone (203) 785-2140

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.36 of 100Reported as group
Quality
77.36
Promoting interoperability
100
Improvement activities
40
Cost
74.27

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Greenwich Hospital CurrentSince Jan 5, 2020 Accepting new patients
Yale University Internal Medicine CurrentSince Nov 7, 2007 Accepting new patients
Yale University CurrentSince Nov 7, 2007 Accepting new patients
Greenwich Hospital CurrentSince Jan 5, 2020 Accepting new patients
Ynh Medical Services PC Hospitalist Past Accepting new patients
Mill Hill Medical Consultants Inc Hospitalist Past Accepting new patients

Locations

5 Perryridge Rd
Greenwich, CT 06830
Phone (203) 661-5330

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

20 York St
#2041
North Haven, CT 06510
Phone (203) 688-1734

789 Howard Ave
North Haven, CT 06519
Phone (203) 688-2471

Interoperability endpoints

  • Direct secure messaging: wasch2445@direct.ynhh.org

Organizations & group practices 6

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 10

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": "1174608000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1193443200000",
    "number": "1003933326",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "216 BISHOP STREET",
            "address_2": "APARTMENT 314",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065113794",
            "telephone_number": "203-785-4184",
            "fax_number": "203-785-7068"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK STREET CB 2041",
            "address_2": "HOSPITALIST SERVICE",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "06510",
            "telephone_number": "203-688-4748",
            "fax_number": "203-688-4740"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ASCH",
        "first_name": "WILLIAM",
        "middle_name": "STUART",
        "name_prefix": "Dr.",
        "credential": "M.D., PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-23",
        "last_updated": "2007-10-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "044496",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CT",
            "license": "044496",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CT",
            "license": "044496",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.