JAMES FERGUSON M.D.
NPI 1811257850
Internal Medicine - Pulmonary Disease in East Greenwich, RI

Q: What is James Ferguson's NPI number?

The NPI number for James Ferguson is 1811257850. It was assigned to this individual provider in the NPPES registry on May 24, 2012.

Q: What is James Ferguson'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 James Ferguson was last updated on June 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 24, 2012PECOS EnrolledAccepts Medicare Assignment

1407 S COUNTY TRL STE 430A, EAST GREENWICH, RI 02818(401) 886-7910(401) 886-7913 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jun 2, 2026, Dec 17, 2021, Nov 4, 2021 and 3 more (6 updates tracked since 2016).

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About James Ferguson M.d. NPPES

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

JAMES FERGUSON M.D. (NPI 1811257850) is an individual pulmonary disease provider in East Greenwich, Rhode Island, licensed in Rhode Island (MD14925) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Newport Hospital, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1811257850

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameJAMES FERGUSONCredential: M.D.

Location Address1407 S COUNTY TRL STE 430AEast Greenwich, RI 02818-1679

Mailing Address455 Toll Gate RdWarwick, RI 02886-2759 · (401) 737-7010 · Fax (401) 736-4546

Phone(401) 886-7910

Fax(401) 886-7913

Sole ProprietorYes

Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2012

Enumeration DateMay 24, 2012

Last NPPES UpdateJune 2, 20266 updates tracked since enumeration

NPPES CertifiedJune 2, 2026

✔ NPI 1811257850 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in RI · MD14925

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.

1407 S COUNTY TRL STE 430A, East Greenwich, RI 02818

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Secondary Practice Locations 4

Location 1101 Plain St Ste 4Providence, RI 02903-4829 · Phone (401) 886-7010 · Fax (401) 921-6955

Location 2111 Brewster StPawtucket, RI 02860-4400 · Phone (401) 729-2635 · Fax (401) 729-2157

Location 3455 Toll Gate RdWarwick, RI 02886-2759 · Phone (401) 737-7010 · Fax (401) 736-4546

Location 41405 S County Trl Ste 3AEast Greenwich, RI 02818-5081 · Phone (401) 886-7910 · Fax (401) 886-7913

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

James Ferguson M.d. 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 ID1153548425

PECOS Enrollment IDI20150805009291

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 14

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.

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.

274 services195 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

267 services266 patients

Test to determine lung volumes using gas dilution or washout 94727

This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.

206 services205 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

171 services147 patients

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.

160 services73 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

150 services150 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

124 services124 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.

94 services55 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

82 services81 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

58 services58 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

50 services44 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.

26 services23 patients

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

23 services11 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

21 services21 patients

Hospital Affiliations CMS Care Compare 5

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

Newport Hospital

Acute Care Hospitals · Newport, RI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410006

Location11 Friendship StreetNewport, RI 02840 · Newport County

Emergency services Birthing friendly

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

Kent County Memorial Hospital

Acute Care Hospitals · Warwick, RI

3/5 CMS rating

OwnershipProprietary

CMS Certification Number410009

Location455 Toll Gate RdWarwick, RI 02886 · Kent County

Emergency services Birthing friendly

Women & Infants Hospital Of Rhode Island

Acute Care Hospitals · Providence, RI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410010

Location101 Dudley StreetProvidence, RI 02905 · Providence County

Emergency services Birthing friendly

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 02818 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.

Referred Medical Equipment & Supplies CMS DME claims 15

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604