NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093895401
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6620 Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kjersti Aagaard-Tillery, MDMaternal & Fetal Medicine Physician1033299938
  2. Michelle Agrons, M.D.Diagnostic Radiology Physician1700206166
  3. Aymer Al-Mutairi, M.DFamily Medicine Physician1861712481
  4. Mahboob Alam, M.D.Interventional Cardiology Physician1831342641
  5. Saleema Ali, AGACNP-BCAcute Care Nurse Practitioner1679076103
  6. Gilad Amiel, M.D.Urology Physician1164593869

Verify Christine A. O'Mahony in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M1271
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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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.

  1. Christine O'Mahony2,102
  2. Specialty average147

Most prescribed

  1. Sulfamethoxazole-Trimethoprim337 claims
  2. Prednisone265 claims
  3. Famotidine259 claims
  4. Valganciclovir Hcl170 claims
  5. Clotrimazole118 claims
  6. 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.

  1. Qualityout of 100 · 30% of the final score81.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%89.1
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. 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.

The 8 surgery physician records with the nearest ZIP codes

  1. Richard Andrassy, M.D.Houston, TX 770301184665820
  2. Barbara Bass, M.D., F.A.C.SHouston, TX 770301881632636
  3. Richard Caplan, M.D.Houston, TX 770301831170166
  4. Richard Geis, M.D.Houston, TX 770301891756532
  5. Steven HammermanHouston, TX 770301649268236
  6. Samer Mattar, MDHouston, TX 770301861466708
  7. Hemangshu Podder, M.D.Houston, TX 770301407885163
  8. 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.