Jennifer Hsieh, M.D.
NPI 1629357835 · Gastroenterology Physician · Ridgewood, NJ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Hsieh, M.D. is a Gastroenterology Physician provider in Ridgewood, NJ (NPI 1629357835).
Provider details
- NPI number
- 1629357835
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25MA09913500 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
146 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 43 | $175 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 38 | $84 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 20 | $113 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 19 | $139 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $181 |
| 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 142 | 50 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 35 | 33 |
| Pantoprazole Sodium | 29 | — |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 26 | 25 |
| Dicyclomine Hcl | 25 | — |
| Famotidine | 13 | — |
| Esomeprazole Magnesium | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$469 across 31 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
Registry dates
- Enumerated
- 2011-08-05
- Last updated
- 2016-08-17
Frequently asked questions
- What is Jennifer Hsieh's NPI number?
- Jennifer Hsieh's National Provider Identifier (NPI) is 1629357835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Hsieh's specialty?
- Jennifer Hsieh is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Hsieh located?
- Jennifer Hsieh's practice location on file with NPPES is 140 Chestnut St, Ridgewood, NJ 07450-2599.
- What is Jennifer Hsieh's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Hsieh is (212) 444-2600.
- Does Jennifer Hsieh accept Medicare?
- Jennifer Hsieh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Hsieh's NPI active?
- Yes — Jennifer Hsieh's NPI (1629357835) is active in the NPPES registry as of the last update on 2016-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.