Mahsa Massumi, MD
Hospitalist Physician · Houston, TX
Mahsa Massumi, MD is a hospitalist physician with a practice address in Houston, Texas, and NPI 1568719805, issued on Aug 6, 2012. Check the license (Texas P7503, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mahsa Massumi
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- P7503 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6431 Fannin St, Houston, TX 77030
- Phone
- (713) 500-6526
- Enumerated
- Aug 6, 2012
- Record last updated
- May 3, 2022
- Fax
- (713) 500-6530
- Medicare enrollment
- Enrolled (PECOS I20130923000165); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,587 in Texas → Look up another NPI →
Also registered at 6431 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessica Abhulimhen, MDInternal Medicine Physician1639665136
- Andrew Abikhaled, MD CANDIDATEStudent in an Organized Health Care Education/Training Program1699574335
Verify Mahsa Massumi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P7503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average hospitalist physician in 2024
368 Medicare Part D claims for 118 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 12 claims were for opioids.
Most prescribed
- Amlodipine Besylate22 claims
- Atorvastatin Calcium20 claims
- Amiodarone Hcl19 claims
- Carvedilol16 claims
- Metoprolol Succinate15 claims
- Metoprolol Tartrate13 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): 91.3 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: $1,482.79
15 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 7,324 providers of this specialty with any payment received $494.84 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
- Baylor College OF MedicineHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mahsa Massumi among 1,587 hospitalist physician records in Texas
Mahsa Massumi, MD is one of 1,587 hospitalist physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 36% of them.
- NPI issued2012 · 36% of these records are older, 58% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2010 · median 2013 among the 1,298 with a school on file
- Record last updated2022 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Texas
There are 1,587 hospitalist physician records in Texas.
All 1,587 in Texas → Every provider in Houston → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jamuna Daniel, M.D.Houston, TX 770301679541304
- John FlynnHouston, TX 770301144263955
- Ron Giveon, M.D.Houston, TX 770301386606788
- Josiah Halm, MDHouston, TX 770301275640880
- Matthew Harbison, MDHouston, TX 770301043223209
- Lubna Khawaja, M.D.Houston, TX 770301891748935
- Gina Khraish, M.D.Houston, TX 770301295764413
- Achilia Morrow, M.D.Houston, TX 770301548374044
Common questions
What is Mahsa Massumi, MD's NPI number?
Mahsa Massumi, MD's National Provider Identifier (NPI) is 1568719805, issued on Aug 6, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Mahsa Massumi, MD located?
The NPPES record lists a practice address at 6431 Fannin St, Houston, TX, 77030. Phone: (713) 500-6526. Providers update this record themselves, so call before visiting.
How can I verify Mahsa Massumi, MD's license?
NPPES lists Texas license number P7503, 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 Mahsa Massumi, MD prescribe under Medicare Part D?
In 2024, Mahsa Massumi, MD had 368 Medicare Part D claims for 118 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Mahsa Massumi, MD's MIPS final score?
The 2023 MIPS final score is 91.3 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.