Doctor profile · Federal record

Dr. Zahra Hassan, MD

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Saint Louis, MO

  • NPI 1912388695
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
615 S New Ballas RD
Saint Louis, MO 631418221
(314) 251-6339
Additional location
10010 Kennerly RD
Saint Louis, MO 631282106
(314) 525-1328
Additional location
1400 US Highway 61
Festus, MO 630284100
(636) 933-5337
Show 1 more location
Additional location
901 E 5Th St
Washington, MO 630903127
(636) 239-8231
Mailing address
621 S New Ballas RD Ste 112A
Saint Louis, MO 631418252

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
October 18, 2022
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Missouri #2018023717

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912388695. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
797
Distinct HCPCS
6
Medicare allowed
$76,145
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 436 200 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 131 91 $116
99239 Hospital discharge day management, more than 30 minutes 112 110 $111
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 52 51 $127
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 44 44 $169
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 22 15 $48

In context: peer comparison

Among 216 peers in Saint Louis Internal Medicine Physician, average services per provider: 171. This provider delivers 4.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
82
Patients
80
Total drug cost
$1,623
Drug Type Claims Patients Total cost
Cefdinir Generic 18 18 $317
Furosemide Generic 16 14 $50
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 14 $126
Pantoprazole Sodium Generic 12 12 $124
Naloxone Hcl Generic 11 11 $950
Oxycodone Hcl Generic 11 11 $57

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zahra Hassan's medical specialty?
Dr. Zahra Hassan practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. Zahra Hassan practice?
Dr. Zahra Hassan practices at 615 S New Ballas RD, Saint Louis, MO 631418221. Office phone: 3142516339.
What is Dr. Zahra Hassan's NPI?
Dr. Zahra Hassan's National Provider Identifier (NPI) is 1912388695, issued by NPPES.
Does Dr. Zahra Hassan accept Medicare assignment?
Yes. Dr. Zahra Hassan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zahra Hassan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.