NPIMap

Individual provider Active NPI

Michael Stekly Van Williams

  • Family Nurse Practitioner
  • Saratoga Springs, NY
National Provider Identifier
1164153516
Registry record updated Feb 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
F355020 Issued in NY
Practice address
211 Church St
Saratoga Springs, NY 12866-1090
Phone
(518) 587-3222
NPI assigned
Jun 17, 2022
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 24, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X RN57571 RI
Family Nurse PractitionerGroup: 193400000X SINGLE SPECIALTY GROUP 363LF0000X RN2326870 MA
Family Nurse Practitioner 363LF0000X F355020 NY Primary

Addresses

Primary practice location

211 Church St
Saratoga Springs, NY 12866-1090

Mailing address

56 Pettis Dr
Warwick, RI 02889-8816
Phone (508) 505-6467

Other practice location 1

90 Ter Heun Dr
Falmouth, MA 02540-2533
Phone (508) 495-8300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, NY2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20221213001741 MA Practitioner - Nurse Practitioner 5395114425 Reassigns benefits to 2 organizations
I20250306001007 NY Practitioner - Nurse Practitioner 5395114425 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Saratoga HospitalGroup PAC ID 6406740273, 353 clinicians

Practice addresses (Care Compare)

1 W Ave
Suite 300
Saratoga Springs, NY 12866-6050
Phone (518) 693-4699

100 Ter Heun Dr
Falmouth, MA 02540-2503
Phone (508) 862-7874

211 Church St
Saratoga Springs, NY 12866-1003
Phone (518) 583-8421

2215 Burdett Ave
Troy, NY 12180-2466
Phone (518) 271-3300

3040 Route 50
Saratoga Springs, NY 12866-3073
Phone (518) 580-2273

3044 Route 50
Saratoga Springs, NY 12866-3073
Phone (518) 886-5800

315 S Manning Blvd
Albany, NY 12208-1707
Phone (518) 525-1550

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
76.23 of 100Reported as group
Quality
56.78
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
95.37 of 100Reported as group
Quality
83.26
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
RN57571RIMDRegistered Nurse
RN2326870MAMDFamily Nurse Practitioner
F355020NYMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Medical Affiliates of Cape Cod, Inc. CurrentSince Nov 18, 2022 Accepting new patients
Saratoga Hospital CurrentSince Nov 30, 2024 Accepting new patients
Physicians of Falmouth Hospital Single Specialty CurrentSince Jan 16, 2022 Accepting new patients
St. Peter's Hospital of the City of Albany Family CurrentSince Nov 24, 2025 Accepting new patients
St. Peter's Hospital of the City of Albany Single Specialty CurrentSince Nov 24, 2025 Accepting new patients
Saratoga Hospital Single Specialty Current Accepting new patients
Medical Affiliates of Cape Cod, Inc. Single Specialty CurrentSince Nov 18, 2022 Accepting new patients
Samaritan Hospital of Troy, New York Single Specialty CurrentSince Nov 24, 2025 Accepting new patients
Saratoga Hospital CurrentSince Nov 30, 2024 Accepting new patients
Samaritan Hospital of Troy, New York Single Specialty CurrentSince Nov 24, 2025 Accepting new patients

Locations

100 Ter Heun Dr
Falmouth, MA 02540
Phone (508) 457-3501

90 Ter Heun Dr
Falmouth, MA 02540
Phone (508) 457-0088

27 Park St
Hyannis, MA 02601
Phone (508) 775-5011

297 North St
Ste 221
Hyannis, MA 02601
Phone (508) 862-5032

315 S Manning Blvd
Albany, NY 12208
Phone (518) 525-1852

211 Church St
Saratoga Springs, NY 12866
Phone (518) 583-8461

1 West Ave
Ste 300
Saratoga Springs, NY 12866
Phone (518) 693-4699

3044 Route 50
Saratoga Springs, NY 12866
Phone (518) 886-5800

2215 Burdett Ave
Troy, NY 12180
Phone (518) 271-3300

Interoperability endpoints

  • Direct secure messaging: mvanwilliams109499@albanymed.direct-ci.com

Organizations & group practices 10

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 20

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

View all 20

NPI Registry JSON

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

{
    "created_epoch": "1655424000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740355200000",
    "number": "1164153516",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "56 PETTIS DR",
            "city": "WARWICK",
            "state": "RI",
            "postal_code": "028898816",
            "telephone_number": "508-505-6467"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "211 CHURCH ST",
            "city": "SARATOGA SPRINGS",
            "state": "NY",
            "postal_code": "128661090",
            "telephone_number": "518-587-3222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "90 Ter Heun Dr",
            "address_purpose": "LOCATION",
            "city": "Falmouth",
            "state": "MA",
            "postal_code": "025402533",
            "country_code": "US",
            "telephone_number": "508-495-8300",
            "fax_number": "508-495-8315",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VAN WILLIAMS",
        "first_name": "MICHAEL",
        "middle_name": "STEKLY",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-06-17",
        "last_updated": "2025-02-24",
        "certification_date": "2025-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "RI",
            "license": "RN57571",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "RN2326870",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "F355020",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saratoga Springs, NY

Sources for this page

Verify at the official NPI Registry.