Doctor profile · Federal record
Dr. Jennifer Gass, MD
Hematology & Oncology Physician (CMS: Obstetrics/Gynecology) · Surgical Oncology Physician · Providence, RI
- NPI 1225065139
- Accepts Medicare
- 39 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
101 Dudley St
Providence, RI 029052401
(401) 274-1122 - Additional location
-
455 Toll Gate RD
Warwick, RI 028862759
(401) 737-7010 - Mailing address
-
455 Toll Gate RD, Prc and Credentialing
Warwick, RI 028862759
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 16, 2026
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Rhode Island #MD08540
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225065139. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
166
Distinct HCPCS
6
Medicare allowed
$23,278
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 59 | 53 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 32 | 28 | $99 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 31 | 31 | $39 | |
19301 |
Partial removal of breast | 16 | 15 | $640 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 15 | 15 | $183 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $137 |
In context: peer comparison
Among 21 peers in this city , average services per provider: 527. This provider delivers 0.3× the peer median.Open Payments
Industry payments received
All-time total
$1,323
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Illumina, Inc. | 1 | $1,065.00 | |
| Endomagnetics Ltd | 2 | $258.00 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Jennifer Gass's medical specialty?
Dr. Jennifer Gass practices Hematology & Oncology Physician in Providence, RI.
Where does Dr. Jennifer Gass practice?
Dr. Jennifer Gass practices at 101 Dudley St, Providence, RI 029052401. Office phone: 4012741122.
What is Dr. Jennifer Gass's NPI?
Dr. Jennifer Gass's National Provider Identifier (NPI) is 1225065139, issued by NPPES.
Does Dr. Jennifer Gass accept Medicare assignment?
Yes. Dr. Jennifer Gass accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Gass commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.