DR. MELISSA A HAGER (D.O.) – Rheumatology Physician, NPI 1033590732
Rheumatology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
152 RHEUMATOLOGY in MO
Provider Addresses for DR. MELISSA A HAGER (D.O.)
615 S NEW BALLAS RD
SAINT LOUIS, MO 631418221
Phone: (314) 251-6382
Type: Mailing
3023 N BALLAS RD STE 500D
SAINT LOUIS, MO 631312359
Phone: (314) 996-7930
Type: Location
615 S New Ballas Rd
Saint Louis, MO 631418221
Phone: (314) 251-6382
Type: Location
4438 TELEGRAPH RD
SAINT LOUIS, MO 631293316
Phone: (314) 996-7930
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $129.
Total Amount is formed as General ($129) + Research ($0) + Ownership ($0) = $129.
Last reported payment date: 2024-06-27 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($59).
Total Amount
$129
General + Research + Ownership
Payments
8
Total payment records
General Amount
$129
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $59 |
| Amgen Inc. | $40 |
| Almatica Pharma LLC | $15 |
| ABBVIE INC. | $14 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2020-07-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20200709003423 | I | Rheumatology | MO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 334 | 163 | $0 |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 104 | 20 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 64 | 64 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 46 | 35 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 30 | 28 | $0 |
Insurance plans in this area (ZIP 63141)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| - | MO | |
| - | MO | |
| Family Practice | MO | |
| Nurse Practitioner | MO | |
| Hospitalist, Family Practice | MO | |
| - | MO | |
| Family Practice | MO | |
| Internal Medicine, Hospitalist | MO | |
| Internal Medicine | MO |
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