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APRIL LYNN DIEP DO
NPI 1871933895
Family Medicine in Walnut Creek, CA

Active since July 05, 2013PECOS EnrolledAccepts Medicare Assignment
2621 SHADELANDS DR, WALNUT CREEK, CA 94598(925) 947-0417(925) 947-4379 Get Directions Write a Review

NPPES record last updated: June 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 26, 2017, Apr 28, 2017 (2 updates tracked since 2017).

About April Lynn Diep Do NPPES

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

APRIL LYNN DIEP DO (NPI 1871933895) is an individual family medicine provider in Walnut Creek, California, licensed in California (20A16610) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS and is a graduate of Western University Of Health Sciences College Of Dental Med (2013).

NPPES Registry Identity

NPI1871933895
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameAPRIL LYNN DIEPCredential: DO
Location Address2621 SHADELANDS DRWalnut Creek, CA 94598-2512
Mailing Address2621 Shadelands DrWalnut Creek, CA 94598-2512 · (925) 947-0417 · Fax (925) 947-4379
Phone(925) 947-0417
Fax(925) 947-4379
Sole ProprietorNo
Medical School CMSWestern University Of Health Sciences College Of Dental MedGraduated 2013
Enumeration DateJuly 5, 2013
Last NPPES UpdateJune 13, 20262 updates tracked since enumeration
NPPES CertifiedJune 13, 2026
✔ NPI 1871933895 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · 20A16610
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

2621 SHADELANDS DR, Walnut Creek, CA 94598
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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

April Lynn Diep Do 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 ID4385887694
PECOS Enrollment IDI20190116002259
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 7

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.

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
87 services87 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.
86 services69 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.
81 services68 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
34 services34 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
32 services32 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
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
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
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 2

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

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
2 suppliers12 claims360 services$4.59 avg. paid by Medicare
Enteral formula, nutritionally complete, hydrolyzed proteins (amino acids and peptide chain), includes fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4153
Other-Enteral and Parenteral · category OB006N
2 suppliers12 claims3,028 services$1.03 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 2

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

DR. NOUSHIN HADDAD-TEHRANI MD
Internal Medicine
2621 SHADELANDS DR
WALNUT CREEK, CA 94598
Contra Costa County (925) 947-0417
KARISHMA AMIN BHARDWAJ NP-C
Nurse Practitioner (Family)
2621 SHADELANDS DR
WALNUT CREEK, CA 94598
Contra Costa County (925) 947-0417

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 April Diep's NPI number?

The NPI number for April Diep is 1871933895. It was assigned to this individual provider in the NPPES registry on July 5, 2013.

Where is April Diep located?

April Diep practices at 2621 Shadelands Dr, Walnut Creek, CA 94598. The listed phone number is (925) 947-0417.

What is April Diep's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is April Diep enrolled in Medicare?

Yes. April Diep 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 April Diep was last updated on June 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.