DR. MOLLY HONEGGER M.D.
NPI 1780648766
Radiology - Diagnostic Radiology in Walnut Creek, CA

Active since April 14, 2006PECOS EnrolledAccepts Medicare Assignment
90.81/100
CMS Quality Rating
1601 YGNACIO VALLEY RD, WALNUT CREEK, CA 94598(925) 296-7156(925) 296-7174 Get Directions Write a Review

NPPES record last updated: January 30, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Molly Honegger M.d. NPPES

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

DR. MOLLY HONEGGER M.D. (NPI 1780648766) is an individual diagnostic radiology provider in Walnut Creek, California, licensed in California (A94905) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Southern Illinois University School Of Medicine (1995).

NPPES Registry Identity

NPI1780648766
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. MOLLY HONEGGERCredential: M.D.
Location Address1601 YGNACIO VALLEY RDWalnut Creek, CA 94598-3122
Mailing Address2125 Oak Grove Rd Ste 200Walnut Creek, CA 94598-2520 · (925) 296-7150 · Fax (925) 296-7171
Fax(925) 296-7174
Sole ProprietorNo
Medical School CMSSouthern Illinois University School Of MedicineGraduated 1995
Enumeration DateApril 14, 2006
Last NPPES UpdateJanuary 30, 2019
✔ NPI 1780648766 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in CA · A94905✔ Licensed in NY · 226792
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1601 YGNACIO VALLEY RD, Walnut Creek, CA 94598

Other Identifiers 1

Medicaid259191NY

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. Molly Honegger M.d. 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 ID1951382274
PECOS Enrollment IDI20060926000226
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 Reassignments

4

Medicare enrollment records show Molly Honegger reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 181 clinicians in this Medicare group
Hospitalist
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 810 clinicians in this Medicare group
Diagnostic Radiology
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 129 clinicians in this Medicare group
Diagnostic Radiology
5730 TELEGRAPH AVE
Oakland, CA 94609
  • Reassigned Medicare billing, California enrollment
  • 158 clinicians in this Medicare group

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 15

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.

Injection, gadobutrol, 0.1 ml A9585
Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.
1,075 services14 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
574 services574 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
569 services569 patients
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279
Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.
166 services163 patients
Diagnostic mammography of 1 breast 77065
Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.
138 services133 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
121 services121 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.

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.

90.81/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.12
Improvement Activities40

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.

Emergency Medicine
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Personal Emergency Response Attendant
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Pediatrics (Neonatal-Perinatal Medicine)
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Anesthesiology
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Emergency Medicine
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Registered Nurse
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598

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 Molly Honegger's NPI number?

The NPI number for Molly Honegger is 1780648766. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Molly Honegger located?

Molly Honegger practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. The listed phone number is (925) 296-7156.

What is Molly Honegger's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Molly Honegger enrolled in Medicare?

Yes. Molly Honegger 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.

Which organizations bill Medicare for Molly Honegger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Molly Honegger reassigns Medicare benefits to 4 organizations: Bay Imaging Consultants Medical Group Inc (Walnut Creek, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA), John Muir Magnetic Imaging Center (Walnut Creek, CA) and Magnetic Imaging Affiliates, LLC (Oakland, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Molly Honegger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Molly Honegger was last updated on January 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.