Marlyn Jean Mayo, MD
Hepatology Physician · Dallas, TX
Marlyn Jean Mayo, MD is a hepatology physician with a practice address in Dallas, Texas, and NPI 1003872292, issued on Apr 25, 2006. Check the license (Texas J0852, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marlyn Jean Mayo
- Credential
- MD
- Primary taxonomy
- Hepatology Physician 207RI0008X
- License number
- J0852 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5323 Harry Hines Blvd, Dallas, TX 75390
- Phone
- (214) 645-8600
- Enumerated
- Apr 25, 2006
- Record last updated
- Apr 3, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 128518104 TX
- Medicare enrollment
- Enrolled (PECOS I20050121000147); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest hepatology physician records → All 23 in Texas → Look up another NPI →
Also registered at 5323 Harry Hines Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marlyn Jean Mayo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J0852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average hepatology physician in 2024
580 Medicare Part D claims for 144 beneficiaries, against an average of 762 among the 228 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Ursodiol221 claims
- Ocaliva54 claims
- Carvedilol25 claims
- Azathioprine24 claims
- Sod Sulf-Potass Sulf-Mag Sulf22 claims
- Gavilyte-G21 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): 74.6 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: $14,865.80
10 payments; by number, the most common kind was consulting fee; the largest payer was Ironwood Pharmaceuticals, Inc. The 177 providers of this specialty with any payment received $18,492.64 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
- University OF Texas Southwestern Medical Center AT DallasDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marlyn Jean Mayo among 23 hepatology physician records in Texas
Marlyn Jean Mayo, MD is one of 23 hepatology 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 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 48% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1990 · median 2006 among the 15 with a school on file
- Record last updated2008 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0008X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hepatology Physician providers in Texas
There are 23 hepatology physician records in Texas.
All 23 in Texas → Every provider in Dallas → Hepatology Physician nationwide →
The 8 hepatology physician records with the nearest ZIP codes
- William Lee, MDDallas, TX 753901043262512
- Willis Maddrey, MDDallas, TX 753901528037009
- Dwain Thiele, MDDallas, TX 753901730145152
- Gary Davis, M.D.Dallas, TX 752461265479364
- Robert Rahimi, M.D., M.S.C.R.Dallas, TX 752461093927188
- Sarah Lieber, M.D.Dallas, TX 752351659613461
- Maria Lepe Suastegui, M.D.Dallas, TX 752311396799847
- Ussama Ghumman, MDDallas, TX 752301104454347
Common questions
What is Marlyn Jean Mayo, MD's NPI number?
Marlyn Jean Mayo, MD's National Provider Identifier (NPI) is 1003872292, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marlyn Jean Mayo, MD located?
The NPPES record lists a practice address at 5323 Harry Hines Blvd, Dallas, TX, 75390. Phone: (214) 645-8600. Providers update this record themselves, so call before visiting.
How can I verify Marlyn Jean Mayo, MD's license?
NPPES lists Texas license number J0852, 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 Marlyn Jean Mayo, MD prescribe under Medicare Part D?
In 2024, Marlyn Jean Mayo, MD had 580 Medicare Part D claims for 144 beneficiaries; the average among hepatology physician prescribers was 762. Part D covers Medicare prescriptions only.
What is Marlyn Jean Mayo, MD's MIPS final score?
The 2023 MIPS final score is 74.6 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.