THOMAS A MARSLAND (MD) – Internal Medicine Physician, NPI 1477558716
Internal Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
377 MEDICAL ONCOLOGY in FL
Provider Addresses for THOMAS A MARSLAND (MD)
Lynch Creek Way, Petaluma, Sonoma County, California, 94954, United States
PETALUMA, CA 949542337
Phone:
Type: Mailing
2161 Kingsley Ave
Ste 200
Orange Park, FL 320735113
Phone: (904) 276-2303
Fax: (904) 272-3659
Type: Location
110 Lynch Creek Way Ste A
Petaluma, CA 94954
Phone: (707) 763-0600
Fax: (707) 765-1757
Type: Location
PO BOX 100224
GAINESVILLE, FL 326100278
Phone: (352) 273-7832
Type: Mailing
1600 SW ARCHER RD
GAINESVILLE, FL 326103003
Phone: (352) 265-0111
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 23 Open Payments records for all available years, with a total value of $887.
Total Amount is formed as General ($887) + Research ($0) + Ownership ($0) = $887.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Daiichi Sankyo Inc. ($360).
Total Amount
$887
General + Research + Ownership
Payments
23
Total payment records
General Amount
$887
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Daiichi Sankyo Inc. | $360 |
| PFIZER INC. | $112 |
| Merck Sharp & Dohme LLC | $66 |
| Novartis Pharmaceuticals Corporation | $60 |
| E.R. Squibb & Sons, L.L.C. | $46 |
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: 2005-02-02
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 |
|---|---|---|---|---|
| I20050202000372 | I | Medical Oncology | 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 | 721 | 255 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 426 | 268 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 185 | 95 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 56 | 56 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 47 | 47 | $0 |
Insurance plans in this area (ZIP 94954)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| MEDICAL ONCOLOGY | FL | 85610 | Blood test, clotting time | 28 | 11 |
| MEDICAL ONCOLOGY | FL | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 93 | 32 |
| MEDICAL ONCOLOGY | FL | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 24 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Anesthesiology, Pain Management | FL | |
| Nurse Practitioner | FL | |
| G A S T R O E N T E R O L O G Y | FL | |
| - | FL | |
| Nurse Practitioner | FL | |
| - | FL | |
| - | FL | |
| - | FL | |
| - | FL | |
| Nurse Practitioner | FL |
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