JEFFREY ALAN WEST MD
NPI 1316977978
Internal Medicine - Cardiovascular Disease in Castro Valley, CA

Active since July 03, 2006PECOS EnrolledAccepts Medicare Assignment
20126 STANTON AVE STE 100, CASTRO VALLEY, CA 94546(510) 537-3556(510) 452-1102 Get Directions Write a Review

NPPES record last updated: August 8, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Jeffrey Alan West Md NPPES

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

JEFFREY ALAN WEST MD (NPI 1316977978) is an individual cardiovascular disease provider in Castro Valley, California, licensed in California (G71311) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1988).

NPPES Registry Identity

NPI1316977978
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameJEFFREY ALAN WESTCredential: MD
Location Address20126 STANTON AVE STE 100Castro Valley, CA 94546-5270
Mailing Address20126 Stanton Ave Ste 100Castro Valley, CA 94546-5270 · (510) 537-3556 · Fax (510) 452-1102
Fax(510) 452-1102
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1988
Enumeration DateJuly 3, 2006
Last NPPES UpdateAugust 8, 2023
NPPES CertifiedAugust 8, 2023
✔ NPI 1316977978 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · G71311
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedNuclear Medicine · Nuclear CardiologyTaxonomy 207UN0901X · License G71311 (CA)
20126 STANTON AVE STE 100, Castro Valley, CA 94546

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

Jeffrey Alan West 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 ID7416970926
PECOS Enrollment IDI20070217000068
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

3

Medicare enrollment records show Jeffrey West reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospitalist
2800 BENEDICT DR
San Leandro, CA 94577
  • Reassigned Medicare billing, California enrollment
  • 204 clinicians in this Medicare group
Multi-Specialty
12 CAMINO ENCINAS
Orinda, CA 94563
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
Diagnostic Radiology
15243 VANOWEN ST
Van Nuys, CA 91405
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Beverly Radiology Medical Group Iii
  • 335 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 23

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.
330 services233 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
286 services281 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
201 services103 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
165 services151 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
165 services165 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.
112 services103 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94546 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
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 6

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

Internal Medicine (Cardiovascular Disease)
20126 STANTON AVE STE 100
CASTRO VALLEY, CA 94546
Internal Medicine (Cardiovascular Disease)
20126 STANTON AVE STE 100
CASTRO VALLEY, CA 94546
Nurse Practitioner
20126 STANTON AVE STE 100
CASTRO VALLEY, CA 94546
Internal Medicine (Cardiovascular Disease)
20126 STANTON AVE STE 100
CASTRO VALLEY, CA 94546
Internal Medicine
20126 STANTON AVE STE 100
CASTRO VALLEY, CA 94546
Internal Medicine (Cardiovascular Disease)
20126 STANTON AVE STE 100
CASTRO VALLEY, CA 94546

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 Jeffrey West's NPI number?

The NPI number for Jeffrey West is 1316977978. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Where is Jeffrey West located?

Jeffrey West practices at 20126 Stanton Ave Ste 100, Castro Valley, CA 94546. The listed phone number is (510) 537-3556.

What is Jeffrey West's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Jeffrey West enrolled in Medicare?

Yes. Jeffrey West 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 Jeffrey West's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey West reassigns Medicare benefits to 3 organizations: Knd Development 59, LLC (San Leandro, CA), Sutter Bay Medical Foundation (Orinda, CA) and Beverly Radiology Medical Group (Van Nuys, 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 Jeffrey West'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 Jeffrey West was last updated on August 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.