Spencer Su, M.D.
NPI 1851414684 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Su, M.D. is a Internal Medicine Physician provider in Houston, TX (NPI 1851414684).
Provider details
- NPI number
- 1851414684
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- M5944 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 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
1,061 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 409 | $79 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 261 | $112 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 101 | $166 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 77 | $106 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 62 | $347 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 55 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 73 | 38 |
| Nifedipinebrand: Nifedipine Er | 47 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 45 | 20 |
| Tamsulosin Hcl | 41 | 11 |
| Carvedilol | 33 | 16 |
| Finerenonebrand: Kerendia | 31 | — |
| Amlodipine Besylate | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,375 across 66 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)
- 17500 W Grand Pkwy SSugar Land, TX 77479-2562Phone: (281) 725-5026
Registry dates
- Enumerated
- 2007-04-08
- Last updated
- 2026-05-20
- Certified
- 2026-05-20
Frequently asked questions
- What is Spencer Su's NPI number?
- Spencer Su's National Provider Identifier (NPI) is 1851414684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Su's specialty?
- Spencer Su is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Su located?
- Spencer Su's practice location on file with NPPES is 6560 Fannin St, Houston, TX 77030-2761.
- What is Spencer Su's phone number?
- The practice phone number listed in the NPPES registry for Spencer Su is (713) 790-4615.
- Does Spencer Su accept Medicare?
- Spencer Su is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Su's NPI active?
- Yes — Spencer Su's NPI (1851414684) is active in the NPPES registry as of the last update on 2026-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.