Mark S Reginato, M.D.

Internal Medicine · Danville, CA

At a glance

4165 Blackhawk Plaza Circle, Danville, CA 94506-2308

Published activity: Removal of nail tissue · Removal of skin lesions · Removal or shaving of skin growth. View counts and coverage

NPPES record updated Feb 27, 2025. Public records can lag behind changes at a practice.

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Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

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Practice location

4165 Blackhawk Plaza Circle Suite 100
Danville, CA 94506-2308

REPORTED BACKGROUND

Education & affiliations

Medical / professional school: Georgetown University School Of Medicine
Graduation year: 1999
CMS specialties: Internal Medicine

CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.

Practice groups

Bass Medical Group

Reported hospital affiliations

Alta Bates Summit Medical Center - Alta Bates Camp Berkeley, CA
John Muir Medical Center - Concord Campus Concord, CA
John Muir Medical Center - Walnut Creek Campus Walnut Creek, CA
San Ramon Regional Medical Center San Ramon, CA
Stanford Health Care Tri-Valley Pleasanton, CA

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

Procedure category	Published Medicare activity
Removal of nail tissue	1-10
Removal of skin lesions	24
Removal or shaving of skin growth	1-10
Skin biopsy	1-10

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

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Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

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Reported clinician measures

Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.

Published clinical measures

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%): 17%2024Published MIPS performance rate. Lower rates indicate better performance for this inverse measure. Measure: MIPS_EC_001_overall. Collection type: EHR. Measure denominator: 364.
Appropriate Testing for Pharyngitis: 91%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_066_overall. Collection type: EHR. Measure denominator: 444.
Diabetes: Eye Exam: 10%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_117_overall. Collection type: EHR. Measure denominator: 364.

See all 13 reported measures

Documentation of Current Medications in the Medical Record: 86%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_130_overall. Collection type: EHR. Measure denominator: 10377.
Preventive Care and Screening: Screening for Depression and Follow-Up Plan: 37%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_134_overall. Collection type: EHR. Measure denominator: 6413.
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention: 22%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_226_performance. Collection type: EHR. Measure denominator: 153.
Controlling High Blood Pressure: 74%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_236_overall. Collection type: EHR. Measure denominator: 1532.
Childhood Immunization Status: 52%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_240_overall. Collection type: EHR. Measure denominator: 23.
Cervical Cancer Screening: 68%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_309_overall. Collection type: EHR. Measure denominator: 1524.
Chlamydia Screening for Women: 8%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_310_overall. Collection type: EHR. Measure denominator: 192.
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented: 39%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_317_overall. Collection type: EHR. Measure denominator: 6923.
Falls: Screening for Future Fall Risk: 56%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_318_overall. Collection type: EHR. Measure denominator: 2076.
HIV Screening: 27%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_475_overall. Collection type: EHR. Measure denominator: 4430.

Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.

PAYMENT TRANSPARENCY

Industry-reported general payments

$3,388.99General payments · 2025

161Reported transactions

49Reporting companies

Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.

See payment purposes and reporting companies

Reported purposes

Purpose	Amount
Food and beverage	$3,388.99

Reporting companies

Company	Amount
ABBVIE INC.	$348.43
PFIZER INC.	$217.45
AMGEN INC.	$167.90
NOVO NORDISK INC	$154.57
ASTRAZENECA PHARMACEUTICALS LP	$150.62
GLAXOSMITHKLINE, LLC.	$135.03
EXACT SCIENCES CORPORATION	$132.83
ITI, INC. (D/B/A INTRA-CELLULAR THERAPIES, INC.)	$125.86
Other reporting companies	$1,956.30

View official Open Payments profile ↗

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record

NPI1194884502

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Registry details

Primary taxonomy: Internal Medicine
Taxonomy code: 207R00000X
Enumeration date: Dec 8, 2006
Record updated: Feb 27, 2025

More registry details

Provider type: Individual · Type 1
Reported credentials: M.D.

Reported taxonomies and licenses

Internal Medicine

207R00000X · Primary

License reported: A78956 CA

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

4165 Blackhawk Plaza Circle
Suite 100
Danville, CA 94506-2308

Phone: (925) 736-7070
Fax: (925) 736-7075

Mailing address

4165 BLACKHAWK PLAZA CIRCLE
SUITE 100
DANVILLE, CA 945062308

Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

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