MARY ELLEN MAHONEY M.D.
NPI 1750352621
Surgery in Eureka, CA

Active since January 30, 2006PECOS EnrolledAccepts Medicare Assignment
636 HARRIS ST STE A, EUREKA, CA 95503(707) 476-0690(707) 476-0692 Get Directions Write a Review

NPPES record last updated: February 2, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mary Ellen Mahoney M.d. NPPES

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

MARY ELLEN MAHONEY M.D. (NPI 1750352621) is an individual surgery provider in Eureka, California, licensed in California (G48569) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (1981).

NPPES Registry Identity

NPI1750352621
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameMARY ELLEN MAHONEYCredential: M.D.
Location Address636 HARRIS ST STE AEureka, CA 95503-4448
Mailing AddressPo Box 990208Redding, CA 96099-0208 · (530) 212-0073 · Fax (844) 440-2311
Fax(707) 476-0692
Sole ProprietorYes
Medical School CMSStanford University School Of MedicineGraduated 1981
Enumeration DateJanuary 30, 2006
Last NPPES UpdateFebruary 2, 2024
NPPES CertifiedFebruary 2, 2024
NPI 1750352621 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in CA · G48569
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.
636 HARRIS ST STE A, Eureka, CA 95503

Other Identifiers 1

Medicaid00G485690CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary Ellen Mahoney 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 ID6204986862
PECOS Enrollment IDI20090603000116
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.

Areas of Expertise CMS Part B claims 6

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.

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
Imaging of lymph nodes during surgery 38900
Imaging of lymph nodes during surgery involves taking detailed pictures of your lymph nodes to help surgeons see and assess them in real-time. This procedure can aid in detecting disease, guiding treatment, and improving surgical precision.
26 services26 patients
Biopsy or removal of deep lymph nodes of underarm 38525
A biopsy or removal of deep underarm lymph nodes is a procedure where a small sample of lymph node tissue is taken for testing. This helps in diagnosing or ruling out conditions like infections or cancers. It involves a small incision and is typically done under local or general anesthesia.
22 services22 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.
17 services17 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services14 patients
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.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95503 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
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

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

Surgery (Vascular Surgery)
636 HARRIS ST STE A
EUREKA, CA 95503

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 Mary Mahoney's NPI number?

The NPI number for Mary Mahoney is 1750352621. It was assigned to this individual provider in the NPPES registry on January 30, 2006.

Where is Mary Mahoney located?

Mary Mahoney practices at 636 Harris St Ste A, Eureka, CA 95503. The listed phone number is (707) 476-0690.

What is Mary Mahoney's specialty?

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

Is Mary Mahoney enrolled in Medicare?

Yes. Mary Mahoney 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.

When was this NPI record last updated?

The NPPES record for Mary Mahoney was last updated on February 2, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.