Mark J. Routbort, M.D., PHD
Hematology (Pathology) Physician · Houston, TX
Mark J. Routbort, M.D., PHD is a hematology (pathology) physician with a practice address in Houston, Texas, and NPI 1699849133, issued on Nov 17, 2006. Check the license (Texas L8930, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark J. Routbort
- Credential
- M.D., PHD
- Primary taxonomy
- Hematology (Pathology) Physician 207ZH0000X
- License number
- L8930 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Holcombe Blvd, Houston, TX 77030
- Phone
- (713) 792-6161
- Enumerated
- Nov 17, 2006
- Record last updated
- Jul 6, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 166115901 TX
- Medicare enrollment
- Enrolled (PECOS I20040721001635); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest hematology (pathology) physician records → All 51 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 Mark J. Routbort in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L8930Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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).
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).
Mark J. Routbort among 51 hematology (pathology) physician records in Texas
Mark J. Routbort, M.D., PHD is one of 51 hematology (pathology) physician records with a practice address in Texas. 75% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 65% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1999 · median 1999 among the 35 with a school on file
- Record last updated2012 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZH0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Pathology) Physician providers in Texas
There are 51 hematology (pathology) physician records in Texas.
All 51 in Texas → Every provider in Houston → Hematology (Pathology) Physician nationwide →
The 8 hematology (pathology) physician records with the nearest ZIP codes
- Carlos Bueso-Ramos, M.D., PHDHouston, TX 770301346349073
- Mohamed Elghetany, M.D.Houston, TX 770301467523886
- Xin Han, M.D.Houston, TX 770301992898027
- Cheryl Hirsch-Ginsberg, M.D.Houston, TX 770301548366305
- Jeffrey Jorgensen, M.D., PHDHouston, TX 770301255420923
- Ming-Sheng Lee, M.D.Houston, TX 770301235239468
- Leonard Medeiros, MDHouston, TX 770301609979335
- Laura Sulak, MDHouston, TX 770301427019942
Common questions
What is Mark J. Routbort, M.D., PHD's NPI number?
Mark J. Routbort, M.D., PHD's National Provider Identifier (NPI) is 1699849133, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Routbort, M.D., PHD 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 Mark J. Routbort, M.D., PHD's license?
NPPES lists Texas license number L8930, 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.
What is Mark J. Routbort, M.D., PHD'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.