DR. JOSEPH W MASLAK (M.D.) – Internal Medicine Physician, NPI 1497754022
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,994 INTERNAL MEDICINE in CO
Provider Addresses for DR. JOSEPH W MASLAK (M.D.)
PO BOX 17503
DENVER, CO 802170503
Phone: (303) 306-7783
Fax: (303) 306-7753
Type: Mailing
16420 W US HIGHWAY 24
WOODLAND PARK, CO 808638760
Phone: (719) 365-1292
Fax: (719) 365-6997
Type: Location
4911 N VALLEY TER
BEVERLY HILLS, FL 344654429
Phone: (352) 423-3208
Type: Mailing
502 W HIGHLAND BLVD
INVERNESS, FL 344524720
Phone: (352) 726-1551
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 $170.
Total Amount is formed as General ($170) + Research ($0) + Ownership ($0) = $170.
Last reported payment date: 2024-02-29 • Largest payer in this snapshot: Stryker Corporation ($170).
Total Amount
$170
General + Research + Ownership
Payments
1
Total payment records
General Amount
$170
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Stryker Corporation | $170 |
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: 2024-05-06
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 |
|---|---|---|---|---|
| I20240506001925 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 80217)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | FL | |
| Physician Assistant | FL | |
| Internal Medicine, Hospitalist | FL | |
| Hospitalist, Family Practice | FL | |
| Internal Medicine | FL | |
| Internal Medicine | FL | |
| Family Practice | FL | |
| Internal Medicine | FL | |
| Internal Medicine, Hospitalist | FL | |
| Internal Medicine | PA |
Reviews
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