Jennifer Margaret Segar, M.D.
Hematology & Oncology Physician · Houston, TX
Jennifer Margaret Segar, M.D. is a hematology & oncology physician with a practice address in Houston, Texas, and NPI 1225478068, issued on Jun 25, 2013. Check the license (Texas V5127, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jennifer Margaret Segar
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- V5127 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7500 Fannin St Ste 500, Houston, TX 77054
- Phone
- (832) 384-7900
- Enumerated
- Jun 25, 2013
- Record last updated
- Jul 22, 2025
- Fax
- (832) 615-3616
- Medicare enrollment
- Enrolled (PECOS I20241210004755); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 922 in Texas → Look up another NPI →
Also registered at 7500 Fannin St Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Demaria, M.D.Medical Oncology Physician1811230873
Verify Jennifer Margaret Segar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V5127Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
841 Medicare Part D claims for 195 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 51 claims were for opioids.
Most prescribed
- Anastrozole237 claims
- Letrozole101 claims
- Tamoxifen Citrate50 claims
- Gabapentin24 claims
- Ibrance22 claims
- Verzenio20 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): 97.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $8,353.07
26 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Texas Oncology PAWebster, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Margaret Segar among 922 hematology & oncology physician records in Texas
Jennifer Margaret Segar, M.D. is one of 922 hematology & 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 2013, is newer than 72% of them.
- NPI issued2013 · 72% of these records are older, 24% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2012 · median 2004 among the 691 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Texas
There are 922 hematology & oncology physician records in Texas.
All 922 in Texas → Every provider in Houston → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Sita Bushan, MDHouston, TX 770541841635620
- Natalie Chen, MD, PHDHouston, TX 770541619474541
- Akiva DiamondHouston, TX 770541770902579
- Ahmed ElkhananyHouston, TX 770541245572510
- Sophia Lee, MDHouston, TX 770541588151401
- Leonido Luznik, M.D.Houston, TX 770541518902261
- Anaum Maqsood, M.D.Houston, TX 770541801203633
- Charles Osborne, MDHouston, TX 770541811077225
Common questions
What is Jennifer Margaret Segar, M.D.'s NPI number?
Jennifer Margaret Segar, M.D.'s National Provider Identifier (NPI) is 1225478068, issued on Jun 25, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Margaret Segar, M.D. located?
The NPPES record lists a practice address at 7500 Fannin St Ste 500, Houston, TX, 77054. Phone: (832) 384-7900. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Margaret Segar, M.D.'s license?
NPPES lists Texas license number V5127, 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 Jennifer Margaret Segar, M.D. prescribe under Medicare Part D?
In 2024, Jennifer Margaret Segar, M.D. had 841 Medicare Part D claims for 195 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Jennifer Margaret Segar, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 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.