Fengshuo Lan, M.D.,PH.D.
NPI 1649337122 · Hematology & Oncology Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fengshuo Lan, M.D.,PH.D. is a Hematology & Oncology Physician provider in Stony Brook, NY (NPI 1649337122).
Provider details
- NPI number
- 1649337122
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.,PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 233819 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
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
1,101 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 | 353 | $149 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 306 | $136 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 216 | $209 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $107 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 49 | $197 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 60 | 20 |
| Hydroxyurea | 34 | — |
| Acyclovir | 28 | — |
| Valacyclovir Hclbrand: Valacyclovir | 23 | — |
| Ursodiol | 22 | — |
| Prednisone | 20 | — |
| Omeprazole | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$111 across 3 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
- 2007-01-03
- Last updated
- 2013-06-28
Frequently asked questions
- What is Fengshuo Lan's NPI number?
- Fengshuo Lan's National Provider Identifier (NPI) is 1649337122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fengshuo Lan's specialty?
- Fengshuo Lan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Fengshuo Lan located?
- Fengshuo Lan's practice location on file with NPPES is Stony Brook University Cancer Ctr, Stony Brook, NY 11794-0001.
- What is Fengshuo Lan's phone number?
- The practice phone number listed in the NPPES registry for Fengshuo Lan is (631) 638-1000.
- Does Fengshuo Lan accept Medicare?
- Fengshuo Lan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fengshuo Lan's NPI active?
- Yes — Fengshuo Lan's NPI (1649337122) is active in the NPPES registry as of the last update on 2013-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.