Doctor profile · Federal record

Dr. Allison Flammang, D.O.

Family Medicine Physician (CMS: Family Practice) · Creve Coeur, MO

  • NPI 1154760163
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11550 Olive Blvd Ste 120
Creve Coeur, MO 631417111
(314) 525-2590
fax (314) 590-5943
Mailing address
2325 Dougherty Ferry RD, Ste 104
Saint Louis, MO 631223356

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
August 3, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Missouri #2016014433

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154760163. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
344
Distinct HCPCS
8
Medicare allowed
$33,173
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 172 83 $124
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 38 38 $125
G0444 Annual depression screening, 5 to 15 minutes 38 38 $18
99213 Established patient office or other outpatient visit, 20-29 minutes 27 26 $88
90662 Influenza vaccine split virus, preservative free 20 20 $71
G0008 Administration of influenza virus vaccine 20 20 $30
83036 Hemoglobin a1c level 18 14 $10
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $162

In context: peer comparison

Among 5 peers in this city , average services per provider: 45. This provider delivers 7.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,258
Transactions
72
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 24 $333.21
AstraZeneca Pharmaceuticals LP 11 $238.45
Novo Nordisk Inc 10 $199.05
Lilly USA, LLC 7 $127.32
Lundbeck LLC 3 $61.30
Abbott Laboratories 3 $53.69
GlaxoSmithKline, LLC. 3 $46.63
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $40.73
PFIZER INC. 2 $32.75
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $30.36
Phathom Pharmaceuticals, Inc. 1 $18.02
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $17.28
Takeda Pharmaceuticals U.S.A., Inc. 1 $16.19
Supernus Pharmaceuticals, Inc. 1 $15.04
Tris Pharma Inc 1 $14.87

By nature of payment

Food and Beverage
$1,258

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,969
Patients
534
Total drug cost
$24,415
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 297 68 $3,897
Atorvastatin Calcium Generic 265 72 $2,873
Lisinopril Generic 175 46 $1,176
Amlodipine Besylate Generic 141 46 $865
Rosuvastatin Calcium Generic 131 37 $2,169
Hydrochlorothiazide Generic 130 36 $594
Gabapentin Generic 117 31 $2,862
Metformin Hcl Generic 114 36 $1,065
Losartan Potassium Generic 107 32 $1,327
Trazodone Hcl Generic 98 26 $933

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allison Flammang's medical specialty?
Dr. Allison Flammang practices Family Medicine Physician in Creve Coeur, MO.
Where does Dr. Allison Flammang practice?
Dr. Allison Flammang practices at 11550 Olive Blvd Ste 120, Creve Coeur, MO 631417111. Office phone: 3145252590.
What is Dr. Allison Flammang's NPI?
Dr. Allison Flammang's National Provider Identifier (NPI) is 1154760163, issued by NPPES.
Does Dr. Allison Flammang accept Medicare assignment?
Yes. Dr. Allison Flammang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allison Flammang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.