Alak Ray, MD
NPI 1700891009 · Nephrology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alak Ray, MD is a Nephrology Physician provider in Houston, TX (NPI 1700891009).
Provider details
- NPI number
- 1700891009
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G7868 (TX)
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
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
2,312 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) |
|---|---|---|
| Dialysis Services, Per Day, Less Than Full Month Service (20 Years Or Older)90970 | 1,762 | $9 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 191 | $351 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 105 | $119 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 81 | $292 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 73 | $292 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 52 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Epoetin Alfabrand: Procrit | 61 | 14 |
| Clonidine Hcl | 35 | — |
| Alprazolam | 25 | — |
| Carvedilol | 21 | — |
| Amlodipine Besylate | 16 | — |
| Ciprofloxacin Hcl | 15 | 12 |
| Losartan Potassium | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$367 across 15 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
- 2006-07-29
- Last updated
- 2010-07-12
Frequently asked questions
- What is Alak Ray's NPI number?
- Alak Ray's National Provider Identifier (NPI) is 1700891009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alak Ray's specialty?
- Alak Ray is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Alak Ray located?
- Alak Ray's practice location on file with NPPES is 1631 North Loop W, Houston, TX 77008-1500.
- What is Alak Ray's phone number?
- The practice phone number listed in the NPPES registry for Alak Ray is (713) 864-6100.
- Does Alak Ray accept Medicare?
- Alak Ray is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alak Ray's NPI active?
- Yes — Alak Ray's NPI (1700891009) is active in the NPPES registry as of the last update on 2010-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.