JOSEPH J JR. SLIWKOWSKI (MD) – Sports Medicine (Preventive Medicine) Physician, NPI 1861452294
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NPPES metrics only — not quality of care.
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Provider Addresses for JOSEPH J JR. SLIWKOWSKI (MD)
5, Mount Royal Avenue, Marlborough, Middlesex County, Massachusetts, 01752-3260, United States
MARLBOROUGH, MA 017521981
Phone: (508) 251-7262
Fax: (508) 251-7265
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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Medicare Enrollment & Revalidation
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No Medicare enrollment or revalidation data available for this provider in our database.
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Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
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Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 56 | 55 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 55 | 55 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 55 | 54 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 42 | 42 | $0 |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 35 | 17 | $0 |
Insurance plans in this area (ZIP 01752)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MA | |
| Physician Assistant | MA | |
| - | MA | |
| Nurse Practitioner | MA | |
| Physician Assistant | MA | |
| Physician Assistant | MA | |
| Physician Assistant | NY | |
| Physician Assistant | MA | |
| Physician Assistant | MA | |
| - | MA |
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