MARK S DYKEWICZ (MD) – Allergy & Immunology (Internal Medicine) Physician, NPI 1518971092
Allergy & Immunology (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
115 ALLERGY/IMMUNOLOGY in MO
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Provider Addresses for MARK S DYKEWICZ (MD)
Schwitalla Hall Saint Louis School of Medicine, 1402, South Grand Boulevard, Gate District, City of Saint Louis, Missouri, 63104, United States
M157
SAINT LOUIS, MO 631041004
Phone: (314) 977-8828
Fax: (314) 977-8816
Type: Mailing
3691, Rutger Street, Tiffany, City of Saint Louis, Missouri, 63110, United States
SUITE 100
SAINT LOUIS, MO 631102515
Phone: (314) 977-9050
Fax: (314) 977-9770
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $33.
Total Amount is formed as General ($33) + Research ($0) + Ownership ($0) = $33.
Last reported payment date: 2024-08-28 • Largest payer in this snapshot: PFIZER INC. ($33).
Total Amount
$33
General + Research + Ownership
Payments
2
Total payment records
General Amount
$33
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $33 |
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: 2013-10-11
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 |
|---|---|---|---|---|
| I20131011000767 | I | Allergy/Immunology | 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 | 32 | 32 | $0 |
Insurance plans in this area (ZIP 63104)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ALLERGY/IMMUNOLOGY | MO | 95004 | Injection of allergenic extracts into skin, accessed through the skin | 355 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Anesthesiology Assistant | MO | |
| Pediatric Medicine, Hematology/Oncology | TN | |
| Nurse Practitioner | IL | |
| Certified Registered Nurse Anesthetist (Crna) | MO | |
| Pediatric Medicine | IL | |
| G A S T R O E N T E R O L O G Y | WV | |
| Pediatric Medicine, Cardiovascular Disease (Cardiology) | MO | |
| Infectious Disease | OH | |
| Physician Assistant | MO | |
| Pediatric Medicine, Cardiovascular Disease (Cardiology) | MO |
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