Dr. Raina Shivashankar, MD
Gastroenterology (Gastroenterology Physician)
- Medicare participating
At a glance
- Medical school
- Hahnemann University College of Medicine (2010)
- Years since graduation
- 16
- In the NPI registry since
- 2010
- Medicare patients seen, 2024
- 136
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2010Medical school: Hahnemann University College of Medicine
- 2010Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Gastroenterology Physician primary
PA license MD456659 · MN license 54258 -
Internal Medicine Physician
MN license 54258
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Thomas Jefferson University Hospital Philadelphia, PA
Medical groups
- Jefferson University Physicians (1,531 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 136
- Services billed
- 226
- Patients’ average age
- 70
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 40-54 minutes | 59 | 44 |
| Established patient office or other outpatient visit, 30-39 minutes | 58 | 48 |
| Biopsy of large bowel using a flexible endoscope | 45 | 44 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 28 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 25 | 25 |
| New patient office or other outpatient visit, 45-59 minutes | 16 | 16 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Mesalamine Other prescribers in Philadelphia, PA | 51 |
| Stelara (ustekinumab) | 50 |
| Famotidine Other prescribers in Philadelphia, PA | 33 |
| Linzess (linaclotide) Other prescribers in Philadelphia, PA | 21 |
| Omeprazole Other prescribers in Philadelphia, PA | 21 |
| Pantoprazole Sodium Other prescribers in Philadelphia, PA | 20 |
| Esomeprazole Magnesium Other prescribers in Philadelphia, PA | 15 |
| Gavilyte-G (peg3350/sod sulf,bicarb,cl/kcl) Other prescribers in Philadelphia, PA | 11 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 2 companies reported 8 payments worth $13,835 in total to this clinician.
| Pfizer Inc. | $8,622 |
|---|---|
| AbbVie Inc. | $5,213 |
| Consulting Fee | $8,600 |
|---|---|
| Compensation for services other than consulting (speaking, faculty) | $5,175 |
| Food and Beverage | $60.02 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Pfizer Inc. Jun 12, 2025 | Consulting Fee | $7,955 |
| AbbVie Inc. Apr 15, 2025 | Compensation for services other than consulting (speaking, faculty) | $1,725 |
| AbbVie Inc. Apr 29, 2025 | Compensation for services other than consulting (speaking, faculty) | $1,725 |
| AbbVie Inc. Nov 10, 2025 | Compensation for services other than consulting (speaking, faculty) | $1,725 |
| Pfizer Inc. Jun 12, 2025 | Consulting Fee | $645 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.