Doctor profile · Federal record

Dr. Carolyn Hilliard, M.D.

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

  • NPI 1922488261
  • Accepts Medicare
  • 17 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 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
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
June 13, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Missouri #2020039468 · Iowa #MD-45074

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922488261. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
359
Distinct HCPCS
6
Medicare allowed
$33,016
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 200 93 $78
99239 Hospital discharge day management, more than 30 minutes 58 58 $112
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 40 25 $118
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 29 16 $49
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 19 19 $129
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 13 $172

In context: peer comparison

Among 216 peers in this city , average services per provider: 171. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
35
Patients
35
Total drug cost
$240
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 13 13 $65
Cefdinir Generic 11 11 $104
Prednisone Generic 11 11 $70

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Carolyn Hilliard's medical specialty?
Dr. Carolyn Hilliard practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. Carolyn Hilliard practice?
Dr. Carolyn Hilliard practices at 615 S New Ballas RD, Saint Louis, MO 631418221. Office phone: 3142516339.
What is Dr. Carolyn Hilliard's NPI?
Dr. Carolyn Hilliard's National Provider Identifier (NPI) is 1922488261, issued by NPPES.
Does Dr. Carolyn Hilliard accept Medicare assignment?
Yes. Dr. Carolyn Hilliard accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carolyn Hilliard commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.