DR. ADAM MAXWELL PARKER (M.D.) – Rheumatology Physician, NPI 1023306040
Rheumatology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
152 RHEUMATOLOGY in MO
Provider Addresses for DR. ADAM MAXWELL PARKER (M.D.)
1402 S Grand Blvd
Saint Louis, MO 631041004
Phone: (314) 577-8760
Type: Location
PO BOX 955534
SAINT LOUIS, MO 631952551
Phone:
Type: Mailing
12255 DEPAUL DRIVE SUITE 500
BRIDGETON, MO 63044
Phone: (314) 209-5180
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $238.
Total Amount is formed as General ($238) + Research ($0) + Ownership ($0) = $238.
Last reported payment date: 2024-08-07 • Largest payer in this snapshot: Kerecis Limited ($149).
Total Amount
$238
General + Research + Ownership
Payments
6
Total payment records
General Amount
$238
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Kerecis Limited | $149 |
| Amgen Inc. | $59 |
| E.R. Squibb & Sons, L.L.C. | $30 |
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: 2016-08-30
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 |
|---|---|---|---|---|
| I20160830001749 | 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 | 640 | 312 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 62 | 62 | $0 |
Insurance plans in this area (ZIP 63104)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | MO | |
| - | MO | |
| Nurse Practitioner | MO | |
| Physician Assistant | MO | |
| - | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| - | MO | |
| - | MO | |
| Interventional Pain Management, Anesthesiology | MO |
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