JENNIFER S GASS MD
NPI 1225065139
Internal Medicine - Hematology & Oncology in Providence, RI

Q: What is Jennifer Gass's NPI number?

The NPI number for Jennifer Gass is 1225065139. It was assigned to this individual provider in the NPPES registry on June 27, 2006.

Q: What is Jennifer Gass's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Jennifer Gass was last updated on February 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 27, 2006PECOS EnrolledAccepts Medicare Assignment

101 DUDLEY ST, PROVIDENCE, RI 02905(401) 274-1122 Get Directions Write a Review

NPPES record last updated: February 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Jennifer S Gass Md NPPES

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

JENNIFER S GASS MD (NPI 1225065139) is an individual hematology & oncology provider in Providence, Rhode Island, licensed in Rhode Island (MD08540) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Saint Anne's Hospital, and maintains a secondary practice location in Warwick.

NPPES Registry Identity

NPI1225065139

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameJENNIFER S GASSCredential: MD

Location Address101 DUDLEY STProvidence, RI 02905-2401

Mailing Address455 Toll Gate Rd, Prc And CredentialingWarwick, RI 02886-2759 · (401) 273-0641 · Fax (401) 273-2919

Phone(401) 274-1122

Sole ProprietorNo

Medical School CMSOtherGraduated 1987

Enumeration DateJune 27, 2006

Last NPPES UpdateFebruary 16, 2026

NPPES CertifiedFebruary 16, 2026

✔ NPI 1225065139 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in RI · MD08540

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedSurgery · Surgical OncologyTaxonomy 2086X0206X · License MD08540 (RI)

101 DUDLEY ST, Providence, RI 02905

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Secondary Practice Location 1

Location 1455 Toll Gate RdWarwick, RI 02886-2759 · Phone (401) 737-7010

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

Jennifer S Gass Md 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 ID2466404264

PECOS Enrollment IDI20110120001174

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.

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.

49 services38 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.

43 services34 patients

Partial removal of breast 19301

A partial removal of the breast, also known as a lumpectomy, involves taking out a portion of the breast tissue to eliminate concerning cells. It's typically performed when the problem area is limited in size. This procedure helps to preserve most of the breast's appearance while aiming to remove all the unhealthy cells.

19 services17 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.

17 services17 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

Saint Anne's Hospital

Acute Care Hospitals · Fall River, MA

3/5 CMS rating

OwnershipProprietary

CMS Certification Number220020

Location795 Middle StreetFall River, MA 02721 · Bristol County

Emergency services

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02905 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

$177.03 typical visit price

range $58.57 – $177.03

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

Most-billed visit code 99205

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.

CHRISTOPHER DONALD PALMER DO

Internal Medicine