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MR. JAMES P DERUM PA-C
NPI 1447355474
Physician Assistant in Walnut Creek, CA

Active since September 14, 2006PECOS Enrolled
1990 N CALIFORNIA BLVD STE 400, WALNUT CREEK, CA 94596(925) 225-5837(925) 225-5838 Get Directions Write a Review

NPPES record last updated: April 23, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. James P Derum Pa-c NPPES

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

MR. JAMES P DERUM PA-C (NPI 1447355474) is an individual physician assistant in Walnut Creek, California, licensed in California (PA16110) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447355474
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. JAMES P DERUMCredential: PA-C
Location Address1990 N CALIFORNIA BLVD STE 400Walnut Creek, CA 94596-7249
Mailing Address67871 Valley Vista DrCathedral City, CA 92234-2351 · (760) 668-0768
Phone(925) 225-5837
Fax(925) 225-5838
Sole ProprietorNo
Enumeration DateSeptember 14, 2006
Last NPPES UpdateApril 23, 2013
✔ NPI 1447355474 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA16110
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1990 N CALIFORNIA BLVD STE 400, Walnut Creek, CA 94596
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Other Identifiers 2

Medicare PIN0PA161101
Medicare UPINP70866

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. James P Derum Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94596 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.

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.

SCOTT CHAMBERLAIN M.D.
Emergency Medicine
1990 N CALIFORNIA BLVD STE 400
WALNUT CREEK, CA 94596
Contra Costa County (925) 225-5837
ALEXANDRIA GRECHKO PA-C
Physician Assistant
1990 N CALIFORNIA BLVD STE 400
WALNUT CREEK, CA 94596
Contra Costa County (925) 482-2825

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 James Derum's NPI number?

The NPI number for James Derum is 1447355474. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Where is James Derum located?

James Derum practices at 1990 N California Blvd Ste 400, Walnut Creek, CA 94596. The listed phone number is (925) 225-5837.

What is James Derum's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is James Derum enrolled in Medicare?

Yes. James Derum is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for James Derum was last updated on April 23, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.