Dr. Guus Martinus Bol, MD, PhD

  • San Francisco, CA
  • Medical oncologist
NPI1932914926PAC ID1153848866
Publications
26
Hospital affiliations
1
Industry payments
$87
Medical groups
4
State license
1
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 9 affiliations

Find Dr. Bol's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Guus Martinus Bol is a medical oncologist in San Francisco, California

Dr. Bol practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Bol's NPI, 1932914926, was assigned on February 8, 2025. Dr. Bol holds ZZ license 69917002401.

NPI and contact details
Medicare PAC ID
1153848866
NPI enumeration date
February 8, 2025
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
41
Medical school graduation
2011

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Guus Martinus Bol practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Bol's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Dr. Guus Martinus Bol is affiliated with 5 sites of care and 4 medical groups

Dr. Bol's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Bol to 4 more group practices and clinics and 3 medical groups, each named with a free account.

See all 9 affiliations for Dr. Bol

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Guus Martinus Bol's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bol practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+4 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Bol practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across University of California Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Guus Martinus Bol is one of 415 medical oncologists in California

Medical oncology is Dr. Bol's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Bol is licensed in ZZ.

Specialties and state licenses

  • Medical oncology, ZZPrimaryZZ license 69917002401 · taxonomy 207RX0202X

Medical oncologists near Dr. Bol

Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Guus Martinus Bol's patients have a median age of 69

Across all payers, Dmand AI patient panel data puts Dr. Bol's median patient age at 69, with 49% women.

Dr. Bol's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women49%
  • Men48%

Source: Dmand AI Patient Panel Data

Dr. Guus Martinus Bol offers telehealth to Medicare patients

Dr. Bol accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bol as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Dr. Guus Martinus Bol has 26 publications on record

Dmand AI links 26 papers to Dr. Bol, published from 2010 to 2024. 2024 was the busiest year, with 5. The most frequent topics are DEAD-box RNA Helicases, Breast Neoplasms and Azepines. Dr. Bol has published most often in Br J Cancer. Dr. Bol's most frequent co-authors are Dorian M. Korz, MD, Matthew Jason Ballew, DO and Martin J. Edelman, MD.

Papers26
Years published2010 to 2024

Dr. Bol's papers by year, 2011 to 2024

Topics Dr. Bol writes about most

  • DEAD-box RNA Helicases
  • Breast Neoplasms
  • Azepines
  • Cell Line, Tumor
  • Colorectal Neoplasms
  • Imidazoles
  • Antineoplastic Agents
  • Antineoplastic Combined Chemotherapy Protocols

Dr. Bol's most frequent co-authors

Recent publications by Dr. Bol

See all 26 publications and co-authors

See who Dr. Bol researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bol works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Guus Martinus Bol received $87 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Bol from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Intera Oncology, Inc paid the most, $87.

Companies that paid Dr. Bol the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Bol

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Guus Martinus Bol's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Guus Martinus Bol

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Guus Martinus Bol's NPI number?

Dr. Guus Martinus Bol's NPI number is 1932914926. It was assigned on February 8, 2025, and it is active in the NPI Registry.

What kind of doctor is Dr. Guus Martinus Bol?

Dr. Guus Martinus Bol is a medical oncologist in San Francisco, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Guus Martinus Bol practice?

Dr. Bol practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Bol's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Bol to 4 group practices and clinics and 3 medical groups.

What is Dr. Guus Martinus Bol's office phone number?

The practice phone on file for Dr. Bol is (415) 353-2733.

What is Dr. Guus Martinus Bol's medical license number?

Dr. Bol holds ZZ license 69917002401.

Which hospitals is Dr. Guus Martinus Bol affiliated with?

Dr. Bol practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.

What medical group is Dr. Guus Martinus Bol part of?

Dr. Bol is linked to UCSF Pediatrics. Dmand AI links Dr. Bol to 3 more medical groups.

Does Dr. Guus Martinus Bol accept Medicare?

Yes. CMS lists Dr. Bol as accepting Medicare assignment.

Does Dr. Guus Martinus Bol offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Bol as offering telehealth services.

Has Dr. Guus Martinus Bol received payments from drug or device companies?

CMS Open Payments shows $87 in general payments to Dr. Bol from 1 company from 2025 to 2025. The largest total came from Intera Oncology, Inc.

Show 3 more questionsShow fewer questions

How long has Dr. Guus Martinus Bol been practicing?

Dr. Bol graduated from medical school in 2011, 15 years ago.

Does Dr. Guus Martinus Bol do research?

Dmand AI links 26 publications to Dr. Bol, published from 2010 to 2024.

Who does Dr. Guus Martinus Bol publish with?

Dr. Bol's most frequent co-authors are Dorian M. Korz, MD (2 shared papers), Matthew Jason Ballew, DO (1 shared paper) and Martin J. Edelman, MD (1 shared paper).

Selling to medical oncology practices?

See medical oncologists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)