Individual provider Active NPI

Michael J. Williams, M.D.

  • Anesthesiology Physician
  • Philadelphia, PA
National Provider Identifier
1750300083
Registry record updated Dec 16, 2014
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
MD047174L Issued in PA
Practice address
111 S 11TH St
Suite 8490
Philadelphia, PA 19107-4824
Phone
(215) 955-6161
Fax
(215) 923-5507
NPI assigned
Jul 18, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 16, 2014

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X MD047174L PA Primary

Addresses

Primary practice location

111 S 11TH St
Suite 8490
Philadelphia, PA 19107-4824

Mailing address

111 S 11TH St
Suite 8490
Philadelphia, PA 19107-4824

Other identifiers 2

IdentifierTypeStateIssuer
001299850MedicaidPA
5638101MedicaidNJ

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, ME, TN, NJ4 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 4

Enrollment IDStateProvider typePAC IDDetails
I20100608000771 PA Practitioner - Anesthesiology 5991835506 Reassigns benefits to 1 organization
I20211109003029 ME Practitioner - Anesthesiology 5991835506 Reassigns benefits to 1 organization
I20250703003876 TN Practitioner - Anesthesiology 5991835506 Reassigns benefits to 1 organization
I20251203000358 NJ Practitioner - Anesthesiology 5991835506 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Washington University School of Medicine, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Jefferson University PhysiciansGroup PAC ID 7911819180, 1,528 clinicians
Methodist Associates in Healthcare of New Jersey, P.C.Group PAC ID 4981965324, 136 clinicians
Eastern Maine Medical CenterGroup PAC ID 2062315161, 659 clinicians

Practice addresses (Care Compare)

111 S 11TH St
Suite 8490
Philadelphia, PA 19107-4824
Phone (215) 955-6161

2201 Chapel Ave W
Cherry Hill, NJ 08002-2048
Phone (856) 488-6500

3140 Princeton Pike
FL 2
Lawrenceville, NJ 08648-2330
Phone (609) 895-1919

435 Hurffville Cross Keys Rd
Turnersville, NJ 08012-2453
Phone (833) 958-2198

489 State St
Bangor, ME 04401-6616
Phone (207) 973-7000

Hospital & facility affiliations

  • Northern Light Eastern Maine Medical Center Hospital, Bangor, ME, CCN 200033
  • Thomas Jefferson University Hospital Hospital, Philadelphia, PA, CCN 390174
  • Jefferson Stratford Hospital Hospital, Stratford, NJ, CCN 310086

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD047174LPAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Eastern Maine Medical Center CurrentSince Nov 28, 2021 Accepting new patients
Jefferson University Physicians Anesthesiology CurrentSince Oct 22, 1992 Accepting new patients
Methodist Associates in Healthcare of New Jersey, P.C. Anesthesiology Current Accepting new patients
Ut Lebonheur Pediatric Specialists, Inc. Anesthesiology CurrentSince Apr 25, 2025 Accepting new patients
Methodist Associates in Healthcare of New Jersey, P.C. CurrentSince Dec 1, 2025 Accepting new patients
Eastern Maine Medical Center CurrentSince Nov 28, 2021 Accepting new patients

Locations

489 State St
Bangor, ME 04401
Phone (207) 973-8837

3140 Princeton Pike
Fl 2
Lawrenceville, NJ 08648
Phone (609) 895-1919

111 S 11th St
#8490
Philadelphia, PA 19107
Phone (215) 955-6161

925 Chestnut St
Fl 6
Philadelphia, PA 19107
Phone (215) 955-6760

900 Walnut St
Fl 2
Philadelphia, PA 19107
Phone (215) 955-1234

111 S 11th St
Philadelphia, PA 19107
Phone (215) 955-6161

111 S 11th St
Ste 8490
Philadelphia, PA 19107
Phone (215) 955-6161

850 Poplar Ave
Bldg 2
Memphis, TN 38105
Phone (901) 287-5594

848 Adams Ave
Memphis, TN 38103
Phone (901) 287-5437

100 N Humphreys Blvd
Memphis, TN 38120
Phone (901) 747-1800

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 and National Provider Directory roles.

Hospital & facility affiliations 3

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": "1153180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1418688000000",
    "number": "1750300083",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "111 S 11TH ST",
            "address_2": "SUITE 8490",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191074824"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 S 11TH ST",
            "address_2": "SUITE 8490",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191074824",
            "telephone_number": "215-955-6161",
            "fax_number": "215-923-5507"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MICHAEL",
        "middle_name": "J.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-18",
        "last_updated": "2014-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "PA",
            "license": "MD047174L",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001299850",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "5638101",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

Verify at the official NPI Registry.