Joseph J. Oolut, M.D.
Nephrology Physician · Katy, TX
Joseph J. Oolut, M.D. is a nephrology physician with a practice address in Katy, Texas, and NPI 1912913484, issued on Aug 1, 2006. Check the license (Texas M4410, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joseph J. Oolut
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- M4410 TX
Self-reported in NPPES; status is on the state search - Practice location
- 411 Park Grove Dr Ste 310, Katy, TX 77450
- Phone
- (281) 579-5799
- Enumerated
- Aug 1, 2006
- Record last updated
- Mar 25, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (281) 579-5798
- Medicaid ID
- 181612605 TX
- Medicare enrollment
- Enrolled (PECOS I20060912000356); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2003
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Also registered at 411 Park Grove Dr Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Iyore Iyamu, APRN-CNPAcute Care Nurse Practitioner1114649415
Verify Joseph J. Oolut in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M4410Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average nephrology physician in 2024
248 Medicare Part D claims for 53 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Sevelamer Carbonate48 claims
- Carvedilol22 claims
- Furosemide19 claims
- Amlodipine Besylate14 claims
- Nifedipine Er13 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: $393.61
11 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, 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 2 group practices
- Greenhouse Vascular Access Center, LLCHouston, TX
- Rahul Prakash, M.D., P.A.Houston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph J. Oolut among 1,159 nephrology physician records in Texas
Joseph J. Oolut, M.D. 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
- Graduated2003 · median 2001 among the 954 with a school on file
- Record last updated2020 · 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 Katy → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Anil Chunduri, M.D.Katy, TX 774501922291764
- Hemanth Hampole, M.D.Katy, TX 774501295042471
- Syed Hussain, MDKaty, TX 774501619921988
- Shalin Patel, MDKaty, TX 774501558380428
- Rahul Prakash, MDKaty, TX 774501902846108
- Alicia Romero, MDKaty, TX 774501346444924
- Ozer Farooqui, M.D.Katy, TX 774491285054650
- Sumiko Armstead, MDCypress, TX 774331528267812
Common questions
What is Joseph J. Oolut, M.D.'s NPI number?
Joseph J. Oolut, M.D.'s National Provider Identifier (NPI) is 1912913484, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph J. Oolut, M.D. located?
The NPPES record lists a practice address at 411 Park Grove Dr Ste 310, Katy, TX, 77450. Phone: (281) 579-5799. Providers update this record themselves, so call before visiting.
How can I verify Joseph J. Oolut, M.D.'s license?
NPPES lists Texas license number M4410, 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 Joseph J. Oolut, M.D. prescribe under Medicare Part D?
In 2024, Joseph J. Oolut, M.D. had 248 Medicare Part D claims for 53 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.