Merrick I. Ross, M.D.
Surgical Oncology Physician · Houston, TX
Merrick I. Ross, M.D. is a surgical oncology physician with a practice address in Houston, Texas, and NPI 1528154549, issued on Oct 5, 2006. Check the license (Texas H4045, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Merrick I. Ross
- Credential
- M.D.
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- H4045 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Holcombe Blvd, Houston, TX 77030
- Phone
- (713) 792-6161
- Enumerated
- Oct 5, 2006
- Record last updated
- Jul 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 036752601 TX
- Medicare enrollment
- Enrolled (PECOS I20101014001038); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 206 in Texas → Look up another NPI →
Also registered at 1515 Holcombe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Aaroe, MDNeurology Physician1902295793
- Linda Abad, PA-CPhysician Assistant1063928240
- Cynthia Abarado, RN, GNPGerontology Nurse Practitioner1851471049
- Hussein Abbas, MD, PHDInternal Medicine Physician1609220532
- James Abbruzzese, M.D.Medical Oncology Physician1134233224
- Karim Abdeldaem, MDEmergency Medicine Physician1558056200
Verify Merrick I. Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H4045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average surgical oncology physician in 2024
27 Medicare Part D claims for 13 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Arimidex11 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): 81.4 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: $40,218.71
24 payments; by number, the most common kind was travel and lodging; the largest payer was Merck Sharp & Dohme LLC. The 1,132 providers of this specialty with any payment received $4,224.74 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
- Physicians Referral ServiceHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Merrick I. Ross among 206 surgical oncology physician records in Texas
Merrick I. Ross, M.D. is one of 206 surgical oncology 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 2% of them.
- NPI issued2006 · 2% of these records are older, 63% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1980 · median 2005 among the 161 with a school on file
- Record last updated2012 · 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 2086X0206X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in Texas
There are 206 surgical oncology physician records in Texas.
All 206 in Texas → Every provider in Houston → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Thomas Aloia, M.D.Houston, TX 770301790724631
- Amanda Arrington, MD MHMHouston, TX 770301932138609
- Yun Chun, MDHouston, TX 770301700841483
- Janice Cormier, M.D. MPHHouston, TX 770301487750246
- Nestor Esnaola, MDHouston, TX 770301013021666
- Elizabeth Fitzsullivan, MDHouston, TX 770301780793794
- Keith Fournier, M.D.Houston, TX 770301649290230
- Elizabeth Grubbs, MDHouston, TX 770301063458206
Common questions
What is Merrick I. Ross, M.D.'s NPI number?
Merrick I. Ross, M.D.'s National Provider Identifier (NPI) is 1528154549, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Merrick I. Ross, M.D. located?
The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.
How can I verify Merrick I. Ross, M.D.'s license?
NPPES lists Texas license number H4045, 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 Merrick I. Ross, M.D. prescribe under Medicare Part D?
In 2024, Merrick I. Ross, M.D. had 27 Medicare Part D claims for 13 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.
What is Merrick I. Ross, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.4 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.