MR. HERBERT J BRENNAN DO
NPI 1659489060
Internal Medicine in East Greenwich, RI

Active since August 26, 2006PECOS Enrolled
2358 SOUTH COUNTY TRAIL, EAST GREENWICH, RI 02818(401) 886-6000(401) 886-6002 Get Directions Write a Review

NPPES record last updated: September 10, 2008. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mr. Herbert J Brennan Do NPPES

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

MR. HERBERT J BRENNAN DO (NPI 1659489060) is an individual internal medicine provider in East Greenwich, Rhode Island, licensed in Rhode Island (D000445) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Kent County Memorial Hospital, and is a graduate of Chicago College Of Osteopathy (1992).

NPPES Registry Identity

NPI1659489060
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. HERBERT J BRENNANCredential: DO
Location Address2358 SOUTH COUNTY TRAILEast Greenwich, RI 02818
Mailing Address2358 South County TrailEast Greenwich, RI 02818 · (401) 886-6000 · Fax (401) 886-6002
Fax(401) 886-6002
Sole ProprietorNo
Medical School CMSChicago College Of OsteopathyGraduated 1992
Enumeration DateAugust 26, 2006
Last NPPES UpdateSeptember 10, 2008
NPI 1659489060 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in RI · D000445
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2358 SOUTH COUNTY TRAIL, East Greenwich, RI 02818

Other Identifiers 5

Other0400679Uhc
Other401019RI · Blue Chip
Medicare UPING22668
Other0000025578RI · Blue Cross
Medicare PIN119020286RI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mr. Herbert J Brennan Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214831908
PECOS Enrollment IDI20031124000631
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 12

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 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, 30-39 minutes 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.
275 services132 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
147 services147 patients
Annual depression screening, 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
138 services138 patients
Stool analysis for blood to screen for colon tumors 82270
A stool analysis for blood is a non-invasive procedure used to check for the presence of hidden blood in your stool. This can be an early sign of colon tumors. The test involves collecting a small sample of stool at home and sending it to a lab for analysis.
92 services92 patients
Follow-up hospital inpatient care per day, typically 35 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.
80 services17 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
75 services31 patients

Hospital Affiliations CMS Care Compare 3

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

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 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
12 suppliers31 claims85 services$6.40 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers13 claims17 services$1.18 avg. paid by Medicare
Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470
DME-Other DME · category DE001N
2 suppliers13 claims15 services$68.79 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

Internal Medicine
2358 SOUTH COUNTY TRAIL
EAST GREENWICH, RI 02818

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659489060, enumerated as an "individual" on August 26, 2006.

The provider is located at 2358 SOUTH COUNTY TRAIL EAST GREENWICH, RI 02818 and the phone number is (401) 886-6000.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Medicare, Medicaid and Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to verify.

Herbert Brennan is affiliated with: KENT COUNTY MEMORIAL HOSPITAL, WOMEN & INFANTS HOSPITAL OF RHODE ISLAND and THE MIRIAM HOSPITAL.