WALTER E. MARTIN (M.D.) – Internal Medicine Physician, NPI 1619944600
Internal Medicine Physician
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Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
12,368 INTERNAL MEDICINE in FL
Provider Addresses for WALTER E. MARTIN (M.D.)
11400 4TH ST N APT 307
SAINT PETERSBURG, FL 337162927
Phone: (828) 707-4255
Type: Location
PO BOX 22502
SAINT PETERSBURG, FL 337422502
Phone: (828) 707-4255
Type: Mailing
181 FRANKLIN HEALTH COMMONS
FARMINGTON, ME 04938
Phone: (207) 779-2751
Type: Location
415 KILLINGWORTH RD
HIGGANUM, CT 064414392
Phone: (860) 345-8535
Fax: (860) 345-8678
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $14.
Total Amount is formed as General ($14) + Research ($0) + Ownership ($0) = $14.
Last reported payment date: 2024-01-31 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($14).
Total Amount
$14
General + Research + Ownership
Payments
1
Total payment records
General Amount
$14
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $14 |
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: 2025-09-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20150730011500 | I | Internal Medicine | ME | TBD |
| I20181023001674 | I | Internal Medicine | PA | TBD |
| I20190510000926 | I | Internal Medicine | WI | TBD |
| I20250923000290 | I | Internal Medicine | CT | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 33716)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CT | |
| Nurse Practitioner | CT | |
| - | CT | |
| Physician Assistant | CT | |
| - | CT | |
| Internal Medicine | CT | |
| Family Practice | NY | |
| Physician Assistant | CT | |
| - | CT | |
| - | CT |
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