WILLIAM M OLDHAM MD, PHD
NPI 1518126945
Internal Medicine - Pulmonary Disease in Providence, RI

Q: What is William Oldham's NPI number?

The NPI number for William Oldham is 1518126945. It was assigned to this individual provider in the NPPES registry on June 2, 2008.

Q: What is William Oldham's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for William Oldham was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 02, 2008PECOS EnrolledAccepts Medicare Assignment

593 EDDY ST, PROVIDENCE, RI 02903(401) 444-3565(401) 444-5493 Get Directions Write a Review

NPPES record last updated: April 15, 2025. Verified against the NPPES registry weekly; last sync: September 27, 2026.

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About William M Oldham Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM M OLDHAM MD, PHD (NPI 1518126945) is an individual pulmonary disease provider in Providence, Rhode Island, licensed in Rhode Island (MD20598) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Rhode Island Hospital, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1518126945

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameWILLIAM M OLDHAMCredential: MD, PHD

Location Address593 EDDY STProvidence, RI 02903-4923

Mailing AddressDept 3010, Po Box 986524Boston, MA 02298-6524 · (833) 924-5546

Phone(401) 444-3565

Fax(401) 444-5493

Sole ProprietorNo

Medical School CMSVanderbilt University School Of MedicineGraduated 2008

Enumeration DateJune 2, 2008

Last NPPES UpdateApril 15, 2025

NPPES CertifiedApril 15, 2025

✔ NPI 1518126945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

Licenses✔ Licensed in RI · MD20598✔ Licensed in MA · 242571

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License L-236013 (MA)

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License MD20598 (RI)

593 EDDY ST, Providence, RI 02903

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Secondary Practice Location 1

Location 175 Francis StBoston, MA 02115-6110 · Phone (617) 732-7420

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William M Oldham Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486830221

PECOS Enrollment IDI20250416002336

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

38 services22 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

34 services19 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

19 services17 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

16 services15 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Rhode Island Hospital

Acute Care Hospitals · Providence, RI

3/5 CMS rating

OwnershipTribal

CMS Certification Number410007

Location593 Eddy StreetProvidence, RI 02903 · Providence County

Emergency services

The Miriam Hospital

Acute Care Hospitals · Providence, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410012

Location164 Summit AvenueProvidence, RI 02906 · Providence County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02903 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.17 typical visit price

range $58.57 – $177.03

Typical copayment $33.54 (range $14.64 – $44.25)

Most-billed visit code 99204

Established Patient

$103.10 typical visit price

range $18.92 – $144.38

Typical copayment $25.77 (range $4.73 – $36.09)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KEITH-AUSTIN SCARFO D.O.

Anesthesiology

593 EDDY ST, APC 6
PROVIDENCE, RI 02903

Providence County (401) 444-3777

AILEEN HSUEH

Surgery

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 444-8450

RHODE ISLAND HOSPITAL

General Acute Care Hospital

593 EDDY ST, MAIN 4
PROVIDENCE, RI 02903

Providence County (401) 444-7585

DR. GA HIE NAM M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 444-5057

EUGENIE ATALLAH

Psychiatry & Neurology (Neurology)

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 606-2645

BRET CAULFIELD

Physician Assistant

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 444-4000

JUNG HO GONG

Student in an Organized Health Care Education/Training Program

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 793-2695

FANNY HUANG MD

Student in an Organized Health Care Education/Training Program

593 EDDY ST
PROVIDENCE, RI 02903

Providence County (401) 444-4741

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Oldham's NPI number?

The NPI number for William Oldham is 1518126945. It was assigned to this individual provider in the NPPES registry on June 2, 2008.

Where is William Oldham located?

William Oldham practices at 593 Eddy St, Providence, RI 02903. The listed phone number is (401) 444-3565.

What is William Oldham's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is William Oldham enrolled in Medicare?

Yes. William Oldham is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is William Oldham affiliated with any hospitals?

According to CMS data, William Oldham is affiliated with Rhode Island Hospital and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for William Oldham was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.