DR. STEPHEN DANIEL MAYPER (M.D.) – Internal Medicine Physician, NPI 1598150518
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,309 PEDIATRIC MEDICINE in FL
Provider Addresses for DR. STEPHEN DANIEL MAYPER (M.D.)
8839 BRYAN DAIRY RD STE 200
LARGO, FL 337771207
Phone: (727) 391-5650
Fax: (813) 635-7939
Type: Mailing
2995 DREW ST FL 2
CLEARWATER, FL 337593012
Phone: (727) 532-1355
Fax: (813) 635-2613
Type: Mailing
8787 BRYAN DAIRY RD STE 275
LARGO, FL 337771260
Phone: (727) 394-5650
Fax: (727) 635-7939
Type: Location
8787 Bryan Dairy Rd Ste 275
Largo, FL 337771260
Phone: (727) 394-5650
Fax: (727) 635-7939
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $195.
Total Amount is formed as General ($195) + Research ($0) + Ownership ($0) = $195.
Last reported payment date: 2024-10-15 • Largest payer in this snapshot: Lilly USA, LLC ($48).
Total Amount
$195
General + Research + Ownership
Payments
10
Total payment records
General Amount
$195
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $48 |
| Merck Sharp & Dohme LLC | $37 |
| PFIZER INC. | $33 |
| AstraZeneca Pharmaceuticals LP | $22 |
| Amgen Inc. | $21 |
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: 2019-08-29
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 |
|---|---|---|---|---|
| I20190829000400 | I | Internal Medicine | FL | 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 | 303 | 156 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 125 | 125 | $0 |
| G0008 | Administration of influenza virus vaccine | 31 | 31 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 30 | 30 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 17 | 16 | $0 |
Insurance plans in this area (ZIP 33777)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | FL | |
| - | FL | |
| Nurse Practitioner | FL | |
| - | FL | |
| Nurse Practitioner | FL | |
| Nurse Practitioner | FL | |
| - | FL | |
| Nurse Practitioner | FL | |
| Nurse Practitioner | FL |
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