Doctor profile · Federal record

Dr. Fillmore Gerardson Almiron, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Saint Louis, MO

  • NPI 1558933523
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 5 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Dept Anesthesiology
Saint Louis, MO 631101003
(800) 862-9980
fax (314) 362-1185
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
July 2021 — 5 yrs on file
Profile last updated
April 15, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Missouri #2022004950
Medicaid
MO #910106551

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558933523. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
71
Distinct HCPCS
4
Medicare allowed
$9,187
HCPCS Description Services Patients Avg allowed
36620 Insertion of artery tube for blood sampling or infusion through skin 28 26 $43
00560 Anesthesia for procedure on heart and large blood vessels 19 19 $266
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 12 12 $117
01922 Anesthesia for x-ray or radiation therapy 12 12 $127

In context: peer comparison

Among 156 peers in this city , average services per provider: 32. This provider delivers 2.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Fillmore Gerardson Almiron's medical specialty?
Dr. Fillmore Gerardson Almiron practices Certified Registered Nurse Anesthetist in Saint Louis, MO.
Where does Dr. Fillmore Gerardson Almiron practice?
Dr. Fillmore Gerardson Almiron practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 8008629980.
What is Dr. Fillmore Gerardson Almiron's NPI?
Dr. Fillmore Gerardson Almiron's National Provider Identifier (NPI) is 1558933523, issued by NPPES.
Does Dr. Fillmore Gerardson Almiron accept Medicare assignment?
Yes. Dr. Fillmore Gerardson Almiron accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Fillmore Gerardson Almiron commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for procedure on heart and large blood vessels (HCPCS 00560); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.