Doctor profile · Federal record

Dr. Mahsa Massumi, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Houston, TX

  • NPI 1568719805
  • Accepts Medicare
  • MIPS 87.6 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6431 Fannin St, Msb 1.134
Houston, TX 770301501
(713) 500-6526
fax (713) 500-6530
Mailing address
7200 Cambridge St
Houston, TX 770304202

Credentials & registration

NPPES · NUCC
NPI registered
August 2012 — 14 yrs on file
Profile last updated
May 3, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Texas #P7503

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568719805. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
360
Distinct HCPCS
4
Medicare allowed
$43,016
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 263 85 $120
99239 Hospital discharge day management, more than 30 minutes 47 45 $116
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 27 19 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 23 $169

In context: peer comparison

Among 142 peers in this city , average services per provider: 131. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,483
Transactions
15
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 10 $1,001.85
Abbott Laboratories 3 $360.56
Bard Peripheral Vascular, Inc. 1 $105.70
W. L. Gore & Associates, Inc. 1 $14.68

By nature of payment

Travel and Lodging
$797
Food and Beverage
$685

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
84
Patients
11
Total drug cost
$1,171
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 20 11 $223
Losartan Potassium Generic 15 0 $202
Furosemide Generic 14 0 $215
Metoprolol Succinate Generic 13 0 $264
Amlodipine Besylate Generic 11 0 $149
Carvedilol Generic 11 0 $118

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mahsa Massumi's medical specialty?
Dr. Mahsa Massumi practices Hospitalist Physician in Houston, TX.
Where does Dr. Mahsa Massumi practice?
Dr. Mahsa Massumi practices at 6431 Fannin St, Houston, TX 770301501. Office phone: 7135006526.
What is Dr. Mahsa Massumi's NPI?
Dr. Mahsa Massumi's National Provider Identifier (NPI) is 1568719805, issued by NPPES.
Does Dr. Mahsa Massumi accept Medicare assignment?
Yes. Dr. Mahsa Massumi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mahsa Massumi commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.