DR. WILLIAM III MAZZEI (M.D.) – Family Medicine Physician, NPI 1972586501
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,722 FAMILY PRACTICE in FL
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Provider Addresses for DR. WILLIAM III MAZZEI (M.D.)
1015 BEL AIR DR
APT 3
HIGHLAND BEACH, FL 334874286
Phone: (561) 479-8774
Type: Mailing
Military Trail, Delray Gardens, Palm Beach County, Florida, 33484, United States
SUITE A1
DELRAY BEACH, FL 334843706
Phone: (561) 479-8774
Fax: (305) 403-7700
Type: Location
220 SW NATURA AVE
DEERFIELD BEACH, FL 334413026
Phone: (954) 360-7000
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2004-01-29
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 |
|---|---|---|---|---|
| I20040129001121 | I | Family Practice | 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 | 347 | 116 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 185 | 93 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 147 | 78 | $0 |
| G0446 | Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes | 77 | 77 | $0 |
| 81003 | Automated urinalysis test | 73 | 58 | $0 |
Insurance plans in this area (ZIP 33487)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | FL | |
| Internal Medicine, Gastroenterology | FL | |
| - | FL | |
| Internal Medicine, Geriatric Medicine | FL |
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