Jianjun Li, M.D.
NPI 1437171683 · Gastroenterology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jianjun Li, M.D. is a Gastroenterology Physician provider in Brooklyn, NY (NPI 1437171683).
Provider details
- NPI number
- 1437171683
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 203883 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
122 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $103 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 35 | $145 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 34 | $189 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 12 | $126 |
Typical Medicare-allowed amounts for these services range $103–$189 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 754 | 319 |
| Sucralfate | 279 | 112 |
| Omeprazole | 211 | 119 |
| Peg3350/Sod Sul/Nacl/Kcl/Asb/Cbrand: Plenvu | 158 | 157 |
| Esomeprazole Magnesium | 130 | 44 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 95 | 95 |
| Peg 3350/Sod Sulf,chlr/Pot/Magbrand: Suflave | 77 | 76 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28,762 across 84 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
- 2006-07-24
- Last updated
- 2015-04-02
Frequently asked questions
- What is Jianjun Li's NPI number?
- Jianjun Li's National Provider Identifier (NPI) is 1437171683, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jianjun Li's specialty?
- Jianjun Li is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jianjun Li located?
- Jianjun Li's practice location on file with NPPES is 730 58th St, Brooklyn, NY 11220-3917.
- What is Jianjun Li's phone number?
- The practice phone number listed in the NPPES registry for Jianjun Li is (718) 567-8808.
- Does Jianjun Li accept Medicare?
- Jianjun Li is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jianjun Li's NPI active?
- Yes — Jianjun Li's NPI (1437171683) is active in the NPPES registry as of the last update on 2015-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.