Catherine C. Corovessis, M. D.
Obstetrics & Gynecology Physician · Katy, TX
Catherine C. Corovessis, M. D. is an obstetrics & gynecology physician with a practice address in Katy, Texas, and NPI 1487688891, issued on Jul 10, 2006. Check the license (Texas L4894, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Catherine C. Corovessis
- Credential
- M. D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- L4894 TX
Self-reported in NPPES; status is on the state search - Practice location
- 21700 Kingsland Blvd, Suite 203, Katy, TX 77450
- Phone
- (281) 398-2140
- Enumerated
- Jul 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (281) 398-0017
- Medicare enrollment
- Enrolled (PECOS I20050321000099); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1998
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →
Verify Catherine C. Corovessis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L4894Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
195 Medicare Part D claims for 49 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Estradiol29 claims
- Levothyroxine Sodium24 claims
- Fluconazole12 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: $234.73
12 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Privia Medical Group Gulf Coast PLLCSugar Land, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine C. Corovessis among 3,524 obstetrics & gynecology physician records in Texas
Catherine C. Corovessis, M. D. is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% 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 · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1998 · median 2005 among the 2,093 with a school on file
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Texas
There are 3,524 obstetrics & gynecology physician records in Texas.
All 3,524 in Texas → Every provider in Katy → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Ann Bertles, MDKaty, TX 774501922263037
- Robert Friedman, MDKaty, TX 774501700073590
- Ashley Hester, M.D.Katy, TX 774501770826356
- Mohammed Kabir, DOKaty, TX 774501861494122
- Tania Lee, MDKaty, TX 774501841586682
- Ziyad Mansur, MDKaty, TX 774501164986816
- Kelly McCullagh, M.D.Katy, TX 774501588662886
- Kien Anh NguyenKaty, TX 774501043501455
Common questions
What is Catherine C. Corovessis, M. D.'s NPI number?
Catherine C. Corovessis, M. D.'s National Provider Identifier (NPI) is 1487688891, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine C. Corovessis, M. D. located?
The NPPES record lists a practice address at 21700 Kingsland Blvd, Suite 203, Katy, TX, 77450. Phone: (281) 398-2140. Providers update this record themselves, so call before visiting.
How can I verify Catherine C. Corovessis, M. D.'s license?
NPPES lists Texas license number L4894, 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 Catherine C. Corovessis, M. D. prescribe under Medicare Part D?
In 2024, Catherine C. Corovessis, M. D. had 195 Medicare Part D claims for 49 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.