Zsuzsanna Hortobagyi McMahan, MD, MHS
Rheumatology Physician · Houston, TX
Zsuzsanna Hortobagyi McMahan, MD, MHS is a rheumatology physician with a practice address in Houston, Texas, and NPI 1518178516, issued on May 24, 2007. Check the license (Texas N0263, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Zsuzsanna Hortobagyi McMahan
- Credential
- MD, MHS
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- N0263 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6410 Fannin St Ste 450, Houston, TX 77030
- Phone
- (713) 486-3100
- Enumerated
- May 24, 2007
- Record last updated
- Aug 14, 2023
- Fax
- (713) 500-0580
- Medicare enrollment
- Enrolled (PECOS I20230620002305); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 545 in Texas → Look up another NPI →
Also registered at 6410 Fannin St Ste 450
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manjari Devidi, M.DRheumatology Physician1407172448
- Mark Hwang, MDRheumatology Physician1366798647
- Bochra Jandali, MDRheumatology Physician1396151304
- Courtney McCray, MDRheumatology Physician1417117599
- Susan Seago, M.D.Rheumatology Physician1871932897
- Eleni Tiniakou, M.D.Rheumatology Physician1861722530
Verify Zsuzsanna Hortobagyi McMahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N0263Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average rheumatology physician in 2024
140 Medicare Part D claims for 40 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Hydroxychloroquine Sulfate11 claims
- Prednisone11 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 practice group's MIPS final score for 2023 (Medicare payment program): 74.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,660.25
8 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim International GmbH. The 4,486 providers of this specialty with any payment received $8,538.33 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
- UT PhysiciansHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zsuzsanna Hortobagyi McMahan among 545 rheumatology physician records in Texas
Zsuzsanna Hortobagyi McMahan, MD, MHS is one of 545 rheumatology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 44% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2006 · median 2004 among the 417 with a school on file
- Record last updated2023 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Texas
There are 545 rheumatology physician records in Texas.
All 545 in Texas → Every provider in Houston → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Sandeep AgarwalHouston, TX 770301467489757
- Frank Arnett, M.D.Houston, TX 770301922026152
- Shervin Assassi, M.D.Houston, TX 770301043259567
- Kalpana Bhairavarasu, M.DHouston, TX 770301942236682
- Holly Jones, M. D.Houston, TX 770301457344202
- Huifang Lu, M.D. PHDHouston, TX 770301487672879
- Maureen Mayes, M.D.Houston, TX 770301255364238
- John Reveille, M.D.Houston, TX 770301295753408
Common questions
What is Zsuzsanna Hortobagyi McMahan, MD, MHS's NPI number?
Zsuzsanna Hortobagyi McMahan, MD, MHS's National Provider Identifier (NPI) is 1518178516, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Zsuzsanna Hortobagyi McMahan, MD, MHS located?
The NPPES record lists a practice address at 6410 Fannin St Ste 450, Houston, TX, 77030. Phone: (713) 486-3100. Providers update this record themselves, so call before visiting.
How can I verify Zsuzsanna Hortobagyi McMahan, MD, MHS's license?
NPPES lists Texas license number N0263, 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 Zsuzsanna Hortobagyi McMahan, MD, MHS prescribe under Medicare Part D?
In 2024, Zsuzsanna Hortobagyi McMahan, MD, MHS had 140 Medicare Part D claims for 40 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Zsuzsanna Hortobagyi McMahan, MD, MHS's MIPS final score?
The 2023 MIPS final score is 74.4 of 100, reported for the practice group. 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.