Loretta J. Nastoupil, M.D.
Hematology & Oncology Physician · Houston, TX
Loretta J. Nastoupil, M.D. is a hematology & oncology physician with a practice address in Houston, Texas, and NPI 1407048630, issued on Aug 12, 2007. Check the license (Texas P6877, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Loretta J. Nastoupil
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- P6877 TX
DR.0072477 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Holcombe Blvd, Houston, TX 77030
- Phone
- (713) 792-6161
- Enumerated
- Aug 12, 2007
- Record last updated
- Feb 23, 2024
- Medicaid ID
- 322170701 TX
- Medicare enrollment
- Enrolled (PECOS I20240315002389); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
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 Loretta J. Nastoupil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P6877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
505 Medicare Part D claims for 146 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 27 claims were for opioids.
Most prescribed
- Calquence38 claims
- Dexamethasone38 claims
- Ondansetron Hcl36 claims
- Valacyclovir36 claims
- Prednisone35 claims
- Prochlorperazine Maleate32 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: $10,893.04
16 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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
- Catholic Health Initiatives ColoradoDurango, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology & Oncology Physician providers in Texas
There are 922 hematology & oncology physician records in Texas.
Other hematology & oncology physician records in Texas
- Kanza Abbas, M.D.Houston, TX1396065934
- Elham Abbasi-Hafshejani, M.D.The Woodlands, TX1306856513
- Raghad Abdul-Karim, MDMcAllen, TX1114207172
- Seyed Abedi, M.D.,PH.D.Cedar Park, TX1033567409
- Muhammad Abid, M.D.Lubbock, TX1639480437
- Ambrose Aboud, MDEl Paso, TX1407843873
- Hesham Abowali, MDGalveston, TX1447806955
- Joel Abramowitz, M.D., PHDHouston, TX1447220413
- Hussna Abunafeesa, M.DDallas, TX1902338726
- Prashanth Adapala, M.D.Marble Falls, TX1740484336
Common questions
What is Loretta J. Nastoupil, M.D.'s NPI number?
Loretta J. Nastoupil, M.D.'s National Provider Identifier (NPI) is 1407048630, issued on Aug 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Loretta J. Nastoupil, 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 Loretta J. Nastoupil, M.D.'s license?
NPPES lists Texas license number P6877, 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 Loretta J. Nastoupil, M.D. prescribe under Medicare Part D?
In 2024, Loretta J. Nastoupil, M.D. had 505 Medicare Part D claims for 146 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Loretta J. Nastoupil, 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.