Doctor profile · Federal record

Dr. Melissa Hager, D.O.

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

  • NPI 1033590732
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3023 N Ballas RD Ste 500D
Saint Louis, MO 631312359
(314) 996-7930
Additional location
615 S New Ballas RD
Saint Louis, MO 631418221
(314) 251-6382

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
October 31, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Missouri #2018033547

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033590732. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
610
Distinct HCPCS
7
Medicare allowed
$58,806
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 334 163 $124
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 104 20 $1
99204 New patient office or other outpatient visit, 45-59 minutes 64 64 $160
99213 Established patient office or other outpatient visit, 20-29 minutes 46 35 $86
36415 Insertion of needle into vein for collection of blood sample 30 28 $8
96372 Injection of drug or substance under skin or into muscle 18 12 $14
99215 Established patient office or other outpatient visit, 40-54 minutes 14 13 $177

In context: peer comparison

Among 20 peers in Saint Louis Rheumatology Physician, average services per provider: 4,705. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$99
Transactions
6
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 4 $59.20
Amgen INC. 2 $40.14

By nature of payment

Education
$59
Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,079
Patients
711
Total drug cost
$575,293
Drug Type Claims Patients Total cost
Prednisone Generic 552 185 $4,414
Hydroxychloroquine Sulfate Generic 377 154 $29,483
Methotrexate (Methotrexate Sodium) Brand 239 94 $9,427
Leflunomide Generic 238 75 $13,706
Folic Acid Generic 162 53 $806
Meloxicam Generic 90 35 $598
Gabapentin Generic 59 20 $945
Tramadol Hcl Generic 59 25 $429
Humira(Cf) Pen (Adalimumab) Brand 56 0 $506,958
Celecoxib Generic 49 23 $3,083

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Hager's medical specialty?
Dr. Melissa Hager practices Rheumatology Physician in Saint Louis, MO.
Where does Dr. Melissa Hager practice?
Dr. Melissa Hager practices at 3023 N Ballas RD Ste 500D, Saint Louis, MO 631312359. Office phone: 3149967930.
What is Dr. Melissa Hager's NPI?
Dr. Melissa Hager's National Provider Identifier (NPI) is 1033590732, issued by NPPES.
Does Dr. Melissa Hager accept Medicare assignment?
Yes. Dr. Melissa Hager accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Hager commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.