DR. WILLIAM FREDRICK II GLASS (M.D., PH.D.) – Anatomic Pathology Physician, NPI 1083688824
Anatomic Pathology Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. WILLIAM FREDRICK II GLASS (M.D., PH.D.)
Vivian C Mason Center, 700, East Olney Road, Norfolk, Virginia, 23504, United States
NORFOLK, VA 23507
Phone: (757) 446-5620
Fax: (757) 624-2272
Type: Location
PO BOX 9007
CHARLOTTESVILLE, VA 229069007
Phone:
Type: Mailing
1215 LEE ST
CHARLOTTESVILLE, VA 229080816
Phone: (888) 882-3990
Fax: (434) 243-6499
Type: Location
1029, Assembly Drive, Virginia Beach, Virginia, 23454, United States
VIRGINIA BEACH, VA 234542874
Phone: (757) 446-5620
Fax: (757) 446-5719
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.
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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: 2022-05-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20110910002918 | I | Pathology | TX | TBD |
| I20220513000093 | I | Pathology | VA | 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 |
|---|---|---|---|---|
| 88350 | Antibody evaluation, each additional single antibody stain procedure | 495 | 54 | $0 |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | 365 | 95 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 148 | 93 | $0 |
| 88346 | Antibody evaluation, initial single antibody stain procedure | 68 | 61 | $0 |
| 88348 | Electron microscopy for diagnosis | 65 | 59 | $0 |
Insurance plans in this area (ZIP 23507)
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