Christine A. O'Mahony, MD
Surgery Physician · Houston, TX
Christine A. O'Mahony, MD is a surgery physician with a practice address in Houston, Texas, and NPI 1093895401, issued on Oct 17, 2006. Check the license (Texas M1271, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christine A. O'Mahony
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- M1271 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6620 Main St, Houston, TX 77030
- Phone
- (713) 798-8100
- Enumerated
- Oct 17, 2006
- Record last updated
- Jan 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (713) 798-4530
- Medicaid ID
- 165921101 TX
- Medicare enrollment
- Enrolled (PECOS I20040803000981); accepts Medicare assignment
- Medical or professional school
- Medical College Of Pennsylvania, 1995
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 2,192 in Texas → Look up another NPI →
Also registered at 6620 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christine A. O'Mahony in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M1271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14.3 times the Medicare Part D claims of the average surgery physician in 2024
2,102 Medicare Part D claims for 153 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 70 claims were for opioids.
Most prescribed
- Sulfamethoxazole-Trimethoprim337 claims
- Prednisone265 claims
- Famotidine259 claims
- Valganciclovir Hcl170 claims
- Clotrimazole118 claims
- Carvedilol76 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.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Baylor College OF MedicineHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christine A. O'Mahony among 2,192 surgery physician records in Texas
Christine A. O'Mahony, MD is one of 2,192 surgery physician records with a practice address in Texas. 76% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 58% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1995 · median 2004 among the 1,350 with a school on file
- Record last updated2008 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Texas
There are 2,192 surgery physician records in Texas.
All 2,192 in Texas → Every provider in Houston → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Richard Andrassy, M.D.Houston, TX 770301184665820
- Barbara Bass, M.D., F.A.C.SHouston, TX 770301881632636
- Richard Caplan, M.D.Houston, TX 770301831170166
- Richard Geis, M.D.Houston, TX 770301891756532
- Steven HammermanHouston, TX 770301649268236
- Samer Mattar, MDHouston, TX 770301861466708
- Hemangshu Podder, M.D.Houston, TX 770301407885163
- Patrick Reardon, MDHouston, TX 770301649270265
Common questions
What is Christine A. O'Mahony, MD's NPI number?
Christine A. O'Mahony, MD's National Provider Identifier (NPI) is 1093895401, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christine A. O'Mahony, MD located?
The NPPES record lists a practice address at 6620 Main St, Houston, TX, 77030. Phone: (713) 798-8100. Providers update this record themselves, so call before visiting.
How can I verify Christine A. O'Mahony, MD's license?
NPPES lists Texas license number M1271, 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 Christine A. O'Mahony, MD prescribe under Medicare Part D?
In 2024, Christine A. O'Mahony, MD had 2,102 Medicare Part D claims for 153 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Christine A. O'Mahony, MD's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.