Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. ANDREW W. BOLLEN MD
NPI 1629036470
Pathology - Neuropathology in San Francisco, CA

Active since May 02, 2006PECOS Enrolled
74.46/100
CMS Quality Rating
513 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 476-5236(415) 476-7963 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Andrew W. Bollen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANDREW W. BOLLEN MD (NPI 1629036470) is an individual neuropathology provider in San Francisco, California, licensed in California (G59408) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (1985).

NPPES Registry Identity

NPI1629036470
Entity TypeIndividualMale
Primary Taxonomy207ZN0500X
Provider Legal NameDR. ANDREW W. BOLLENCredential: MD
Location Address513 PARNASSUS AVESan Francisco, CA 94143-2205
Mailing Address1635 Divisadero Street, Suite 625, Box 1821San Francisco, CA 94143-0001 · (415) 476-4029 · Fax (415) 476-4150
Fax(415) 476-7963
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 1985
Enumeration DateMay 2, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1629036470 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPathology · NeuropathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZN0500X
License Licensed in CA · G59408
Definition
A neuropathologist is expert in the diagnosis of diseases of the nervous system and skeletal muscles and functions as a consultant primarily to neurologists and neurosurgeons. The neuropathologist is knowledgeable in the infirmities of humans as they affect the nervous and neuromuscular systems, be they degenerative, infectious, metabolic, immunologic, neoplastic, vascular or physical in nature.
Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License G59408 (CA)
513 PARNASSUS AVE, San Francisco, CA 94143

Other Identifiers 1

Medicaid0G5940800CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrew W. Bollen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143305227
PECOS Enrollment IDI20080313000384
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
412 services79 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
169 services72 patients
Microscopic genetic analysis of tumor, manual 88360
Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.
108 services68 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
95 services84 patients
Pathology examination of specimen during surgery, first tissue block 88331
A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.
62 services57 patients
Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
57 services39 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability76
Improvement Activities40
Cost46.68

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pathology (Molecular Genetic Pathology)
513 PARNASSUS AVE, HSW4, SUITE 450A
SAN FRANCISCO, CA 94143
Plastic Surgery
513 PARNASSUS AVE, S-321
SAN FRANCISCO, CA 94143
Surgery
513 PARNASSUS AVE
SAN FRANCISCO, CA 94143
General Acute Care Hospital
513 PARNASSUS AVE, BOX 0427
SAN FRANCISCO, CA 94143
Internal Medicine (Pulmonary Disease)
513 PARNASSUS AVE, HSE1314
SAN FRANCISCO, CA 94143
Internal Medicine (Infectious Disease)
513 PARNASSUS AVE, S-380, BOX 0654
SAN FRANCISCO, CA 94143
Pathology (Neuropathology)
513 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Gastroenterology)
513 PARNASSUS AVE
SAN FRANCISCO, CA 94143

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrew Bollen's NPI number?

The NPI number for Andrew Bollen is 1629036470. It was assigned to this individual provider in the NPPES registry on May 2, 2006.

Where is Andrew Bollen located?

Andrew Bollen practices at 513 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-5236.

What is Andrew Bollen's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Neuropathology, with taxonomy code 207ZN0500X.

Is Andrew Bollen enrolled in Medicare?

Yes. Andrew Bollen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Andrew Bollen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.