Jenny Sauk
NPI 1376703280 · Gastroenterology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jenny Sauk is a Gastroenterology Physician provider in Los Angeles, CA (NPI 1376703280).
Provider details
- NPI number
- 1376703280
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 241821 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
279 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 172 | $137 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 42 | $116 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 18 | $250 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 18 | $194 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 17 | $237 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mesalamine | 120 | 27 |
| Ustekinumabbrand: Stelara | 90 | 14 |
| Adalimumabbrand: Humira(cf) Pen | 73 | — |
| Methotrexate Sodiumbrand: Methotrexate | 53 | — |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 41 | 37 |
| Risankizumab-Rzaabrand: Skyrizi On-Body | 36 | — |
| Upadacitinib |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18,580 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 165 Cambridge St9th FloorBoston, MA 02114-2783Phone: (617) 726-2047
Registry dates
- Enumerated
- 2008-06-13
- Last updated
- 2018-06-05
Frequently asked questions
- What is Jenny Sauk's NPI number?
- Jenny Sauk's National Provider Identifier (NPI) is 1376703280, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jenny Sauk's specialty?
- Jenny Sauk is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jenny Sauk located?
- Jenny Sauk's practice location on file with NPPES is 100 Ucla Medical Plaza Suite 205, Los Angeles, CA 90095.
- What is Jenny Sauk's phone number?
- The practice phone number listed in the NPPES registry for Jenny Sauk is (855) 423-8252.
- Does Jenny Sauk accept Medicare?
- Jenny Sauk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jenny Sauk's NPI active?
- Yes — Jenny Sauk's NPI (1376703280) is active in the NPPES registry as of the last update on 2018-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.