Dr. Dawn Marie Darbonne , MD
Pathology - Anatomic Pathology & Clinical Pathology • San Jose, CA
751 S Bascom Ave, Pathology Dept
San Jose, CA 951282604
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. Dawn Darbonne is listed in NPPES under Pathology - Anatomic Pathology & Clinical Pathology.
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NPI assigned on March 15, 2006; this date does not establish years in practice.
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Published CMS data list 508 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 88305 — Pathology examination of tissue using a microscope, intermediate complexity: 155 service units.
- 88175 — Pap test, automated thin layer preparation; automated system and manual rescreening: 108 service units.
- 88341 — Special stained specimen slides to examine tissue, each additional procedure: 99 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 9 records in the table · Guide: How to read Medicare Part B data
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Fewer Medicare Part B services than 75% of clinicians listed under Pathology - Anatomic Pathology & Clinical Pathology in California (2024, 801 clinicians with data). Median for this group: 1,627. Middle half: 653 to 3,115.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 11 in 2020 to 508 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
751 S Bascom Ave
Pathology Dept
San Jose, CA 951282604
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: County Of Santa Clara. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
University Of Illinois College Of Med (Chi/peor/rock/chm-Urb)
2000
What Public CMS Data Show
Pathology - Anatomic Pathology & Clinical Pathology: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
260 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $20,427 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Paid by Medicare
About $16,539 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019–2025.
Years since graduation
26 years (graduated 2000)
CMS Doctors and Clinicians data list 2000 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Darbonne has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Darbonne as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in San Jose and California
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Fewer Medicare Part B services than 75% of clinicians listed under Pathology - Anatomic Pathology & Clinical Pathology in California (2024, 801 clinicians with data). Median for this group: 1,627. Middle half: 653 to 3,115.
Too few clinicians listed under Pathology - Anatomic Pathology & Clinical Pathology in San Jose have Medicare Part B data for 2024 to compare.
Medicare-allowed amount
A lower Medicare-allowed amount than 75% of clinicians listed under Pathology - Anatomic Pathology & Clinical Pathology in California (2024, 801 clinicians with data). Median for this group: $62,784. Middle half: $24,321 to $148,044.
Too few clinicians listed under Pathology - Anatomic Pathology & Clinical Pathology in San Jose have Medicare Part B data for 2024 to compare.
Paid by Medicare
A lower Medicare payment amount than 75% of clinicians listed under Pathology - Anatomic Pathology & Clinical Pathology in California (2024, 801 clinicians with data). Median for this group: $50,146. Middle half: $19,163 to $116,065.
Too few clinicians listed under Pathology - Anatomic Pathology & Clinical Pathology in San Jose have Medicare Part B data for 2024 to compare.
10 active clinicians are listed under Pathology - Anatomic Pathology & Clinical Pathology with a practice address in San Jose, CA (1,556 in California).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services went from 11 in 2020 to 508 in 2024.
- 2020: 11
- 2021: 273
- 2022: 704
- 2023: 612
- 2024: 508
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Medicare-allowed amount
Medicare-allowed amount went from $166 in 2020 to $20,427 in 2024.
- 2020: $166
- 2021: $12,301
- 2022: $28,772
- 2023: $23,190
- 2024: $20,427
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Paid by Medicare
Paid by Medicare went from $121 in 2020 to $16,539 in 2024.
- 2020: $121
- 2021: $9,790
- 2022: $22,563
- 2023: $18,361
- 2024: $16,539
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2019–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2020–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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88305
Pathology examination of tissue using a microscope, intermediate complexity
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155 | 90 | $458.77 | $42.46 |
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88175
Pap test, automated thin layer preparation; automated system and manual rescreening
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108 | 108 | $244.00 | $26.08 |
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88341
Special stained specimen slides to examine tissue, each additional procedure
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99 | 20 | $348.65 | $31.83 |
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88342
Special stained specimen slides to examine tissue, initial procedure
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37 | 29 | $443.59 | $39.70 |
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88307
Pathology examination of tissue using a microscope, moderately high complexity
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35 | 24 | $1018.80 | $93.49 |
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88112
Cell examination of specimen, selective cellular enhancement technique
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22 | 21 | $339.91 | $31.28 |
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88173
Evaluation of fine needle aspirate with interpretation and report
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22 | 19 | $859.73 | $79.61 |
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88141
Pap test
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17 | 17 | $387.71 | $30.62 |
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88311
Preparation of tissue for examination by removing any calcium present
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13 | 12 | $149.85 | $13.57 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2024-11-05NUCC Taxonomy Code: 207ZP0102X
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
NUCC Taxonomy Code: 207ZC0500X
A cytopathologist is an anatomic pathologist trained in the diagnosis of human disease by means of the study of cells obtained from body secretions and fluids, by scraping, washing, or sponging the surface of a lesion, or by the aspiration of a tumor mass or body organ with a fine needle. A major aspect of a cytopathologist's practice is the interpretation of Papanicolaou-stained smears of cells from the female reproductive systems, the "Pap" test. However, the cytopathologist's expertise is applied to the diagnosis of cells from all systems and areas of the body. He/she is a consultant to all medical specialists.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - PATHOLOGY
I20060327000487
CA
0648288035
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
County Of Santa Clara
751 S Bascom Ave, San Jose, CA 951282604
Phone: 4088855000
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Anesthesiology
Doctor of Medicine (M.D.)
Specialist/Technologist, Health Information - Coding Specialist, Physician Office Based
Internal Medicine
Doctor of Medicine (M.D.)
Obstetrics & Gynecology
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Physician Assistant
Physician Assistant
Career & Practice History
NPI enumerated March 15, 2006.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.
NPI Administrative Meta
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Mailing Address
715 Washington St
Daly City, CA 940152032
Phone: 6507581113