DR. ANDREW W. BOLLEN (MD) – Neuropathology Physician, NPI 1629036470
Neuropathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,584 PATHOLOGY in CA
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Provider Addresses for DR. ANDREW W. BOLLEN (MD)
1635 DIVISADERO STREET, SUITE 625, BOX 1821
SAN FRANCISCO, CA 941430001
Phone: (415) 476-4029
Fax: (415) 476-4150
Type: Mailing
513 Parnassus Avenue, Parnassus Avenue, Inner Sunset, San Francisco, California, 94117, United States
SAN FRANCISCO, CA 941432205
Phone: (415) 476-5236
Fax: (415) 476-7963
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 $68.
Total Amount is formed as General ($68) + Research ($0) + Ownership ($0) = $68.
Last reported payment date: 2024-06-06 • Largest payer in this snapshot: Carl Zeiss Meditec USA, Inc. ($68).
Total Amount
$68
General + Research + Ownership
Payments
1
Total payment records
General Amount
$68
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Carl Zeiss Meditec USA, Inc. | $68 |
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: 2008-03-13
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 |
|---|---|---|---|---|
| I20080313000384 | I | Pathology | CA | 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 |
|---|---|---|---|---|
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 552 | 92 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 185 | 86 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 125 | 102 | $0 |
| 88360 | Microscopic genetic analysis of tumor, manual | 120 | 80 | $0 |
| 88331 | Pathology examination of specimen during surgery, first tissue block | 88 | 76 | $0 |
Insurance plans in this area (ZIP 94143)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | CA | |
| Hospitalist, Internal Medicine | CA | |
| - | CA | |
| - | CA | |
| Physician Assistant | CA | |
| - | CA | |
| - | ID | |
| Diagnostic Radiology | CA | |
| - | MD | |
| Orthopedic Surgery | CA |
Reviews
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