BERNADETTE DIEKMANN-GUIROY M.D.
NPI 1861589616
Surgery in Salinas, CA

Q: What is Bernadette Diekmann-guiroy's NPI number?

The NPI number for Bernadette Diekmann-guiroy is 1861589616. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Q: What is Bernadette Diekmann-guiroy's specialty?

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

Active since October 05, 2006PECOS EnrolledAccepts Medicare Assignment

236 SAN JOSE ST, SALINAS, CA 93901(831) 424-7389 Get Directions Write a Review

NPPES record last updated: May 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 22, 2026, Jan 24, 2023 (2 updates tracked since 2023).

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About Bernadette Diekmann-guiroy M.d. NPPES

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

BERNADETTE DIEKMANN-GUIROY M.D. (NPI 1861589616) is an individual surgery provider in Salinas, California, licensed in California (A53311) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1980).

NPPES Registry Identity

NPI1861589616

Entity TypeIndividualFemale

Primary Taxonomy208600000X

Provider Legal NameBERNADETTE DIEKMANN-GUIROYCredential: M.D.

Location Address236 SAN JOSE STSalinas, CA 93901-3901

Mailing Address100 Wilson Rd Ste 100Monterey, CA 93940-7885

Phone(831) 424-7389

Sole ProprietorNo

Medical School CMSOtherGraduated 1980

Enumeration DateOctober 5, 2006

Last NPPES UpdateMay 22, 20262 updates tracked since enumeration

NPPES CertifiedMay 22, 2026

✔ NPI 1861589616 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in CA · A53311

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.

236 SAN JOSE ST, Salinas, CA 93901

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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

Bernadette Diekmann-guiroy 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 ID8325029861

PECOS Enrollment IDI20040603000729

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 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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

57 services55 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.

44 services44 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

29 services17 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.

23 services22 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.

22 services22 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.

20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93901 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

$94.44 typical visit price

range $61.69 – $184.30

Typical copayment $23.61 (range $15.42 – $46.07)

Most-billed visit code 99203

Established Patient

$76.53 typical visit price

range $20.34 – $151.02

Typical copayment $19.13 (range $5.08 – $37.75)

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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy skin barrier, pectin-based, paste, per ounce A4406

DME-Orthotic Devices · category DF010N

3 suppliers16 claims96 services$5.49 avg. paid by Medicare

Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407

DME-Orthotic Devices · category DF010N

3 suppliers12 claims400 services$8.01 avg. paid by Medicare

Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each A4425

DME-Orthotic Devices · category DF010N

4 suppliers18 claims520 services$3.32 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 14

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

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