William M Oldham, MD, PHD

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

MD20598 Issued in RI

Practice address

593 Eddy St
Providence, RI 02903-4923

Phone

(401) 444-3565

Fax

(401) 444-5493

NPI assigned

Jun 2, 2008

Last updated

Apr 15, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in MA, RI2 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 2

Specialty

Pulmonary DiseaseAlso: Critical Care (Intensivists)

Education

Vanderbilt University School of Medicine, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Rhode Island HospitalGroup PAC ID 8921900044, 430 clinicians

Lifespan Physician Group IncGroup PAC ID 2567455082, 1,151 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Rhode Island Hospital Hospital, Providence, RI, CCN 410007
• The Miriam Hospital Hospital, Providence, RI, CCN 410012

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Practice roles

Locations

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.

• Rhode Island Hospital

  • Multi-Specialty Clinic/Center
  • Providence, RI
  • NPI 1154537520
  Medicare reassignment Care Compare group NPD
• Lifespan Physician Group, Inc.

  dba Brown Health Medical Group

  • General Practice Physician
  • Providence, RI
  • NPI 1407116643
  Medicare reassignment Care Compare group
• Brown Medicine

  • Internal Medicine Physician
  • Riverside, RI
  • NPI 1689626764
  Medicare reassignment NPD
• The Miriam Hospital

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1770520462
  Medicare reassignment NPD
• Mass General Brigham Medical Group Suburban Massachusetts Inc

  • Family Medicine Physician
  • Newton, MA
  • NPI 1538191218
  Medicare reassignment NPD
• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497
  Medicare reassignment
• Brown Medicine

  • Pulmonary Disease Physician
  • Riverside, RI
  • NPI 1346988375

  Critical Care Medicine

  NPD
• Brown Medicine

  • Gastroenterology Physician
  • Providence, RI
  • NPI 1730827767
  NPD
• Lifespan Physician Group Inc

  dba Brown Health Medical Group

  • Dermatology Physician
  • Providence, RI
  • NPI 1578424602
  NPD
• Lifespan Physician Group, Inc.

  dba Brown Health Medical Group

  • Emergency Medicine Physician
  • Providence, RI
  • NPI 1568325678
  NPD
• Rhode Island Hospital

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1972768174
  NPD
• The Miriam Hospital

  • Cardiac Rehabilitation Clinic/Center
  • East Greenwich, RI
  • NPI 1518482389
  NPD

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

• Rhode Island Hospital

  dba LifePact

  • Ambulance
  • Providence, RI
  • NPI 1053552299

  Hospital

  Care Compare affiliation
• Rhode Island Hospital

  • Clinic/Center
  • Providence, RI
  • NPI 1154663383

  Hospital

  Care Compare affiliation
• Rhode Island Hospital

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1588659528
  Care Compare affiliation
• Rhode Island Hospital

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1972768174
  Care Compare affiliation
• The Miriam Hospital

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1487649430
  Care Compare affiliation

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

{
    "created_epoch": "1212364800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744675200000",
    "number": "1518126945",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "DEPT 3010, PO BOX 986524",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022986524",
            "telephone_number": "833-924-5546"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "593 EDDY ST",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029034923",
            "telephone_number": "401-444-3565",
            "fax_number": "401-444-5493"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-732-7420",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OLDHAM",
        "first_name": "WILLIAM",
        "middle_name": "M",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-06-02",
        "last_updated": "2025-04-15",
        "certification_date": "2025-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "L-236013",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "RI",
            "license": "MD20598",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MA",
            "license": "242571",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "RI",
            "license": "MD20598",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Erika Olaverria, ISCH
• Adedayo A Olayanju, PHARM D.,RPH
• Daniel Olbrych, RD
• Isabella Maria Oldenburg, PA
• Nicklas B Oldenburg, M.D.
• Leanna Olitsky, LICSW
• Jeanne M Oliva, MD
• Alvaro Jose Olivares, MD
• Olive Branch Nutrition Therapy LLC
• Mariana Oliveira de Castro Alves, MD

• Pulmonary Disease Physician in Providence, RI
• Providers in Providence, RI by specialty
• Pulmonary Disease Physician in Rhode Island

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.