DR. MARLON DE MARCIE TWYMAN (MD) – Family Medicine Physician, NPI 1336104009
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,431 FAMILY PRACTICE in OH
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Provider Addresses for DR. MARLON DE MARCIE TWYMAN (MD)
25 MERCHANT STREET
SUITE 220
CINCINNATI, OH 452463740
Phone: (513) 533-1199
Fax: (513) 645-9827
Type: Mailing
West Third Street Historic District, West Side, Dayton, Montgomery County, Ohio, United States
DAYTON, OH 454026812
Phone: (937) 268-3483
Fax: (937) 268-1884
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $113.
Total Amount is formed as General ($113) + Research ($0) + Ownership ($0) = $113.
Last reported payment date: 2024-02-28 • Largest payer in this snapshot: Bayer Healthcare Pharmaceuticals Inc. ($77).
Total Amount
$113
General + Research + Ownership
Payments
3
Total payment records
General Amount
$113
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $77 |
| PFIZER INC. | $36 |
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: 2005-08-12
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 |
|---|---|---|---|---|
| I20050812000820 | I | Family Practice | OH | 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 | 228 | 100 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 178 | 91 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 78 | 78 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 75 | 75 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 32 | 27 | $0 |
Insurance plans in this area (ZIP 45246)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OH | |
| - | OH | |
| Family Practice, Internal Medicine | OH | |
| Family Practice | OH | |
| Family Practice | OH | |
| Family Practice | OH | |
| - | OH | |
| N E U R O L O G Y | OH | |
| Family Practice | OH | |
| Family Practice | OH |
Reviews
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