Sein See, M.D.
NPI 1639300981 · Nephrology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sein See, M.D. is a Nephrology Physician provider in Brooklyn, NY (NPI 1639300981).
Provider details
- NPI number
- 1639300981
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 271802 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
723 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 196 | $125 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 185 | $371 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 134 | $83 |
| Hemodialysis Procedure With Physician Evaluation90935 | 61 | $74 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 53 | $182 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 52 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sevelamer Carbonate | 84 | 23 |
| Losartan Potassium | 64 | 18 |
| Amlodipine Besylate | 60 | 12 |
| Calcium Acetate | 51 | 16 |
| Furosemide | 30 | 13 |
| Calcitriol | 29 | — |
| Atorvastatin Calcium | 24 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-08-04
- Last updated
- 2025-05-07
- Certified
- 2025-05-07
Frequently asked questions
- What is Sein See's NPI number?
- Sein See's National Provider Identifier (NPI) is 1639300981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sein See's specialty?
- Sein See is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Sein See located?
- Sein See's practice location on file with NPPES is 849 57th St Ste 806, Brooklyn, NY 11220-5391.
- What is Sein See's phone number?
- The practice phone number listed in the NPPES registry for Sein See is (917) 226-0922.
- Does Sein See accept Medicare?
- Sein See is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sein See's NPI active?
- Yes — Sein See's NPI (1639300981) is active in the NPPES registry as of the last update on 2025-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.