Doctor profile · Federal record

Dr. Julie Gammack, MD

Geriatric Medicine (Internal Medicine) Physician (CMS: Geriatric Medicine) · St Louis, MO

  • NPI 1518975366
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
Center for Specialized Medicine, 1221 S. Grand Blvd, 2Nd Floor
St Louis, MO 63104
(314) 977-6055
fax (314) 977-3370
Additional location
SSM-St. Lous Universith Hospital, 1201 S. Grand Blvd
St. Louis, MO 63104
(314) 977-8462
Mailing address
1008 S Spring Ave Fl 2
Saint Louis, MO 631102520

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 11, 2021
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Missouri #2003020128

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518975366. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
431
Distinct HCPCS
9
Medicare allowed
$46,027
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 77 55 $96
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 75 41 $78
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 68 32 $105
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 60 26 $105
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 53 27 $125
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 34 34 $128
99214 Established patient office or other outpatient visit, 30-39 minutes 31 29 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 21 $171
99238 Hospital discharge day management, 30 minutes or less 12 12 $79

In context: peer comparison

Among 2 peers in St Louis Geriatric Medicine (Internal Medicine) Physician, average services per provider: 176. This provider delivers 2.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,881
Patients
585
Total drug cost
$117,168
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 362 76 $6,050
Lisinopril Generic 305 62 $3,263
Amlodipine Besylate Generic 296 69 $2,882
Gabapentin Generic 219 39 $4,993
Eliquis (Apixaban) Brand 218 28 $80,582
Tamsulosin Hcl Generic 175 33 $5,363
Hydrochlorothiazide Generic 173 37 $989
Losartan Potassium Generic 171 34 $2,699
Trazodone Hcl Generic 156 30 $1,617
Metformin Hcl Generic 150 32 $1,516

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Julie Gammack's medical specialty?
Dr. Julie Gammack practices Geriatric Medicine (Internal Medicine) Physician in St Louis, MO.
Where does Dr. Julie Gammack practice?
Dr. Julie Gammack practices at Center for Specialized Medicine, St Louis, MO 63104. Office phone: 3149776055.
What is Dr. Julie Gammack's NPI?
Dr. Julie Gammack's National Provider Identifier (NPI) is 1518975366, issued by NPPES.
Does Dr. Julie Gammack accept Medicare assignment?
Yes. Dr. Julie Gammack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julie Gammack commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.