DR. DANIELLE MARIE BERTONI MD
NPI 1780843185
Surgery in Walnut Creek, CA

Q: What is Danielle Bertoni's NPI number?

The NPI number for Danielle Bertoni is 1780843185. It was assigned to this individual provider in the NPPES registry on June 2, 2008.

Q: What is Danielle Bertoni's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Danielle Bertoni was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 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.

Active since June 02, 2008PECOS EnrolledAccepts Medicare Assignment

575 LENNON LN, WALNUT CREEK, CA 94598(925) 433-8786(925) 433-8788 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 2, 2026, Nov 12, 2024, Feb 3, 2023 and 2 more (5 updates tracked since 2018).

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About Dr. Danielle Marie Bertoni Md NPPES

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

DR. DANIELLE MARIE BERTONI MD (NPI 1780843185) is an individual surgery provider in Walnut Creek, California, licensed in California (A105375) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Brentwood, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1780843185

Entity TypeIndividualFemale

Primary Taxonomy208600000X

Provider Legal NameDR. DANIELLE MARIE BERTONICredential: MD

Location Address575 LENNON LNWalnut Creek, CA 94598-2443

Mailing Address575 Lennon LnWalnut Creek, CA 94598-2443 · (925) 433-8786 · Fax (925) 433-8788

Phone(925) 433-8786

Fax(925) 433-8788

Sole ProprietorNo

Medical School CMSOtherGraduated 2007

Enumeration DateJune 2, 2008

Last NPPES UpdateSeptember 2, 20265 updates tracked since enumeration

NPPES CertifiedSeptember 2, 2026

✔ NPI 1780843185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in CA · A105375

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedSurgery · Surgical OncologyTaxonomy 2086X0206X · License A105375 (CA)

575 LENNON LN, Walnut Creek, CA 94598

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Secondary Practice Location 1

Location 16600 Lone Tree WayBrentwood, CA 94513-5256 · Phone (925) 433-8786 · Fax (925) 433-8788

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Danielle Marie Bertoni 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 ID1153545884

PECOS Enrollment IDI20140811001522

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.

Medicare Billing Reassignment

Medicare enrollment records show Danielle Bertoni reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Bay Area Surgical Specialists Inc A Medical Corporation

0.6 mi

Magnetic Resonance Imaging (MRI)

2637 SHADELANDS DR
Walnut Creek, CA 94598

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Bass Medical Group
347 clinicians in this Medicare group

NPI 1023501905 (925) 329-3710

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

84 services67 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

55 services39 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

46 services46 patients

Partial removal of breast 19301

A partial removal of the breast, also known as a lumpectomy, involves taking out a portion of the breast tissue to eliminate concerning cells. It's typically performed when the problem area is limited in size. This procedure helps to preserve most of the breast's appearance while aiming to remove all the unhealthy cells.

27 services25 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

27 services25 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

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

DR. KUANG-HWA KENNETH CHAO M.D.

Radiology (Radiation Oncology)