Doctor profile · Federal record

Dr. Allison Winkler, AGNP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Saint Louis, MO

  • NPI 1275290389
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Div Im Hospitalist
Saint Louis, MO 631101003
(314) 362-1700
fax (314) 362-9878
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
November 2021 — 5 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Missouri #2021045330
Medicaid
MO #420108536

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275290389. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
167
Distinct HCPCS
4
Medicare allowed
$13,499
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 77 34 $65
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 43 42 $108
99497 Advance care planning, first 30 minutes 36 29 $62
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $144

In context: peer comparison

Among 71 peers in this city , average services per provider: 155. This provider delivers 1.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allison Winkler's medical specialty?
Dr. Allison Winkler practices Adult Health Nurse Practitioner in Saint Louis, MO.
Where does Dr. Allison Winkler practice?
Dr. Allison Winkler practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143621700.
What is Dr. Allison Winkler's NPI?
Dr. Allison Winkler's National Provider Identifier (NPI) is 1275290389, issued by NPPES.
Does Dr. Allison Winkler accept Medicare assignment?
Yes. Dr. Allison Winkler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allison Winkler commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.