Dr. Alak Ray, MD

  • Houston, TX
  • Nephrologist
NPI1700891009PAC ID1052220845
Medicare services, 2024
2,312
Medicare patients, 2024
110
Part D claims, 2024
391
Hospital affiliations
1
Industry payments
$3,697
Practice address
1801 N W Loop, Houston, TX 77008
Practice phone
Call (713) 802-0542
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Chouteau Dialysis

Houston, Texas

See all 5 affiliations

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Dr. Alak Ray is a nephrologist in Houston, Texas

Dr. Ray practices at Chouteau Dialysis in Houston, Texas.

Dr. Ray's NPI, 1700891009, was assigned on July 29, 2006. Dr. Ray graduated from Jacobs School of Medicine and Biomedical Sciences in 1983. Dr. Ray holds Texas license G7868.

NPI and contact details
Medicare PAC ID
1052220845
NPI enumeration date
July 29, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(713) 802-0542
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Alak Ray practices at Chouteau Dialysis in Houston, Texas

Dr. Ray's primary practice is Chouteau Dialysis, at 1801 N W Loop, Houston, TX 77008 in Harris County. The practice phone is (713) 802-0542.

  • Chouteau Dialysis
    1801 N W Loop, Houston, TX 77008 · Harris CountyPhone(713) 802-0542

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Alak Ray is affiliated with 4 sites of care and 1 medical group

Dr. Ray's primary practice is Chouteau Dialysis in Houston, Texas. Dr. Ray is also affiliated with Memorial Hermann Greater Heights Hospital. The medical group on file is Greater Heights Nephrology. Dmand AI also links Dr. Ray to 1 more dialysis center and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Ray

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Alak Ray's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ray practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Chouteau DialysisAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alak Ray is one of 1,045 nephrologists in Texas

Nephrology is Dr. Ray's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Ray's licenses on file in 2 states: Texas and New York.

Specialties and state licenses

  • Nephrology, TexasPrimaryLicense G7868 · 1985 to 2026 · taxonomy 207RN0300X
  • New York licenseSince 1982

Clinical focus

Dmand AI lists chronic kidney disease among the conditions Dr. Ray treats.

Nephrologists near Dr. Ray

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Alak Ray billed Medicare for 2,312 services in 2024

CMS data shows 2,312 Medicare services from Dr. Ray across 8 procedure codes in 2024, for 110 Medicare patients. Medicare paid $120,655 for them.

Medicare services, 20242,312
Medicare patients110
Paid by Medicare$120,655
Procedure codes8

Dr. Ray's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 8722024: 2,107142%
Office and hospital visits
2023: 2272024: 20510%

Where Dr. Ray's Medicare services took place, 2024

  • In an office2,12892%
  • In a facility1848%

Dr. Ray compared with the Texas median for nephrologists, 2024

  • Dr. Ray
  • Texas median
Medicare services
2,312vs 1,0482.2 times
Medicare patients
110vs 27760% below
Part D claims
227vs 75870% below

Medians across 1,017 nephrologists in Texas with Dmand AI profiles that report each measure.

Dr. Ray's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Ray

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ray and other nephrologists in Texas.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Alak Ray treated 110 Medicare patients in 2024, average age 66

CMS counts 110 Medicare patients who saw Dr. Ray in 2024. The largest group is under 65, with 44 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 26% are also on Medicaid. Their average risk score is 6.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ray's median patient age at 71, with 57% women.

Medicare patients, 2024110
Average age66
Average risk score6.77
Also on Medicaid26%

Dr. Ray's Medicare patients by age, 2024

Dr. Ray's Medicare patients by sex, 2024

  • Women4541%
  • Men6559%

Chronic conditions among Dr. Ray's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes74%
  5. Heart failure61%
  6. Ischemic heart disease55%
  7. Arthritis43%
  8. Atrial fibrillation31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ray's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women57%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Alak Ray wrote 391 Medicare Part D claims in 2024

In 2024, Dr. Ray wrote 391 Medicare Part D claims for 82 patients. 68% of them were for generic drugs. CMS names the drug for 227 of them, across 10 drugs with 11 or more claims each, at $61,922 in total drug cost. In 2023, CMS named 374 claims across 20 drugs.

Part D claims, 2024391
Drugs named by CMS10
Total drug cost$61,922
Part D patients82

Dr. Ray's Part D claims by kind of drug, 2024

  • Generic267 claims68%
  • Brand-name and other124 claims32%

Dr. Ray's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Ray's Part D claims, 2024

  • Antibiotics7%26 of 391 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3742024: 22739%

Drugs named by CMS: 10 in 2024, 20 in 2023.

See all prescribing by Dr. Ray

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Alak Ray takes part in Medicare

Dr. Ray accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Alak Ray received $3,697 in industry payments from 2016 to 2025

CMS Open Payments shows 109 general payments to Dr. Ray from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Relypsa, Inc. paid the most, $1,130.

General payments to Dr. Ray by program year, 2016 to 2025

Companies that paid Dr. Ray the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ray

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Alak Ray graduated from Jacobs School of Medicine and Biomedical Sciences

Dr. Ray graduated from Jacobs School of Medicine and Biomedical Sciences in 1983.

  1. Medical schoolJacobs School of Medicine and Biomedical Sciences

Source: Dmand AI Professional Profile Data

Dr. Alak Ray accepts plans from 20 insurance carriers

Dr. Ray is in network with 20 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Ray accepts, by number of carriers

  1. HMO12
  2. PPO11
  3. Medicare9
  4. POS6
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Alak Ray's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Alak Ray

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Alak Ray's NPI number?

Dr. Alak Ray's NPI number is 1700891009. It was assigned on July 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Alak Ray?

Dr. Alak Ray is a nephrologist in Houston, Texas. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Alak Ray practice?

Dr. Ray practices at 1801 N W Loop, Houston, TX 77008. Dr. Ray's primary practice is Chouteau Dialysis in Houston, Texas. Dmand AI also links Dr. Ray to 1 dialysis center and 1 group practice or clinic.

What is Dr. Alak Ray's office phone number?

The practice phone on file for Dr. Ray is (713) 802-0542.

What is Dr. Alak Ray's medical license number?

Dr. Ray holds Texas license G7868, one of the licenses on file in 2 states.

Which states has Dr. Alak Ray been licensed in?

Dmand AI has state licenses on file for Dr. Ray in Texas (1985 to 2026) and New York (since 1982).

Which hospitals is Dr. Alak Ray affiliated with?

Dr. Ray is affiliated with Memorial Hermann Greater Heights Hospital.

What medical group is Dr. Alak Ray part of?

Dr. Ray is linked to Greater Heights Nephrology.

Does Dr. Alak Ray accept Medicare?

Yes. CMS data shows Dr. Ray billed Medicare for 2,312 services in 2024, and Dr. Ray accepts Medicare assignment.

How many Medicare patients does Dr. Alak Ray see?

CMS counts 110 Medicare patients who saw Dr. Ray in 2024, with an average age of 66.

Show 6 more questionsShow fewer questions

What services does Dr. Alak Ray bill to Medicare?

In 2024, Dr. Ray's most billed Medicare services were dialysis (90970), dialysis (90960) and hospital inpatient care (99233).

Where did Dr. Alak Ray go to medical school?

Dr. Ray graduated from Jacobs School of Medicine and Biomedical Sciences in 1983.

What drugs does Dr. Alak Ray prescribe most?

In 2024 Medicare Part D data, Dr. Ray's most prescribed drugs by claims were Procrit, Clonidine HCl and Alprazolam.

Has Dr. Alak Ray received payments from drug or device companies?

CMS Open Payments shows $3,697 in general payments to Dr. Ray from 19 companies from 2016 to 2025. The largest total came from Relypsa, Inc.

How long has Dr. Alak Ray been practicing?

Dr. Ray graduated from medical school in 1983, 43 years ago.

What insurance does Dr. Alak Ray accept?

Dr. Ray is in network with 20 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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