Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DARRELL JAMES DAVID CRNA
NPI 1144869322
Nurse Anesthetist, Certified Registered in Walnut Creek, CA

Active since January 05, 2020
1425 S MAIN ST, WALNUT CREEK, CA 94596(925) 295-4739 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 9, 2026, Feb 2, 2022, Jan 5, 2020 (3 updates tracked since 2020).

About Darrell James David Crna NPPES

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

DARRELL JAMES DAVID CRNA (NPI 1144869322) is an individual nurse anesthetist, certified registered in Walnut Creek, California, licensed in California (711015) and active in the NPI registry since January 2020.

NPPES Registry Identity

NPI1144869322
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameDARRELL JAMES DAVIDCredential: CRNA
Location Address1425 S MAIN STWalnut Creek, CA 94596-5318
Mailing Address1425 S Main StWalnut Creek, CA 94596-5318
Sole ProprietorYes
Enumeration DateJanuary 5, 2020
Last NPPES UpdateSeptember 9, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1144869322 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CA · 711015
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
1425 S MAIN ST, Walnut Creek, CA 94596

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Darrell James David Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

2

Medicare enrollment records show Darrell David reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
Anesthesiology
914 PINE ST
Mount Shasta, CA 96067
  • Reassigned Medicare billing, California enrollment
  • 21 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.

Other Providers at the Same Location NPPES 20

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

Emergency Medicine
1425 S MAIN ST, EMERGENCY MEDICINE DEPARTMENT
WALNUT CREEK, CA 94596
Hospitalist
1425 S MAIN ST, KAISER PERMANENTE WALNUT CREEK ATTN: HBS DEPT
WALNUT CREEK, CA 94596
Obstetrics & Gynecology
1425 S MAIN ST
WALNUT CREEK, CA 94596
General Acute Care Hospital
1425 S MAIN ST
WALNUT CREEK, CA 94596
Nurse Anesthetist, Certified Registered
1425 S MAIN ST
WALNUT CREEK, CA 94596
Surgery (Vascular Surgery)
1425 S MAIN ST
WALNUT CREEK, CA 94596
Social Worker (Clinical)
1425 S MAIN ST
WALNUT CREEK, CA 94596
Psychiatry & Neurology (Neurology)
1425 S MAIN ST
WALNUT CREEK, CA 94596

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 Darrell David's NPI number?

The NPI number for Darrell David is 1144869322. It was assigned to this individual provider in the NPPES registry on January 5, 2020.

Where is Darrell David located?

Darrell David practices at 1425 S Main St, Walnut Creek, CA 94596. The listed phone number is (925) 295-4739.

What is Darrell David's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Darrell David enrolled in Medicare?

Yes. Darrell David is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Darrell David's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Darrell David reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Richmond, CA) and Parish Anesthesia Of California, A Professional Medical Corporation (Mount Shasta, 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 Darrell David'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 Darrell David was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.