Alak Ray, MD
Nephrology Physician · Houston, TX
Alak Ray, MD is a nephrology physician with a practice address in Houston, Texas, and NPI 1700891009, issued on Jul 29, 2006. Check the license (Texas G7868, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alak Ray
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- G7868 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1631 North Loop W, Houston, TX 77008
- Phone
- (713) 864-6100
- Enumerated
- Jul 29, 2006
- Record last updated
- Jul 12, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (713) 864-1755
- Medicaid ID
- 098667107 TX
- Medicare enrollment
- Enrolled (PECOS I20100810000347); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Also registered at 1631 North Loop W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alak Ray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G7868Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average nephrology physician in 2024
391 Medicare Part D claims for 82 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Procrit61 claims
- Clonidine Hcl35 claims
- Alprazolam25 claims
- Carvedilol21 claims
- Amlodipine Besylate16 claims
- Ciprofloxacin Hcl15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $367.03
15 payments; by number, the most common kind was food and beverage; the largest payer was Ardelyx, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Greater Heights Nephrology, PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alak Ray among 1,159 nephrology physician records in Texas
Alak Ray, MD is one of 1,159 nephrology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1983 · median 2001 among the 954 with a school on file
- Record last updated2010 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in Houston → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Eletha FieldsHouston, TX 770081942792213
- Juan Frommer, M.D.Houston, TX 770081528052404
- Kim Horn, MDHouston, TX 770081114052545
- Dana Mitchell, M.D.Houston, TX 770081659308450
- Thang Nguyen, DOHouston, TX 770081245727890
- Nehal Patel, MDHouston, TX 770081285840462
- Sumia Rashid, M.D.Houston, TX 770081073784252
- Washington Sereatan, M.D.Houston, TX 770081750351698
Common questions
What is Alak Ray, MD's NPI number?
Alak Ray, MD's National Provider Identifier (NPI) is 1700891009, issued on Jul 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alak Ray, MD located?
The NPPES record lists a practice address at 1631 North Loop W, Houston, TX, 77008. Phone: (713) 864-6100. Providers update this record themselves, so call before visiting.
How can I verify Alak Ray, MD's license?
NPPES lists Texas license number G7868, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alak Ray, MD prescribe under Medicare Part D?
In 2024, Alak Ray, MD had 391 Medicare Part D claims for 82 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.