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DR. JAMES L CROOK MD
NPI 1477519197
Anesthesiology in Oakland, CA

Active since April 21, 2006PECOS Enrolled
747 52ND ST, OAKLAND, CA 94609(510) 428-3070(510) 450-5853 Get Directions Write a Review

NPPES record last updated: April 23, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. James L Crook Md NPPES

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

DR. JAMES L CROOK MD (NPI 1477519197) is an individual anesthesiology provider in Oakland, California, licensed in California (A65420) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477519197
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. JAMES L CROOKCredential: MD
Location Address747 52ND STOakland, CA 94609-1809
Mailing AddressPo Box 45731San Francisco, CA 94145-0731 · (858) 244-0110 · Fax (858) 244-0150
Phone(510) 428-3070
Fax(510) 450-5853
Sole ProprietorNo
Enumeration DateApril 21, 2006
Last NPPES UpdateApril 23, 2015
✔ NPI 1477519197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A65420
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
747 52ND ST, Oakland, CA 94609
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Other Identifiers 3

Medicare PINEM537ZCA
Medicare UPINH22172
Medicare PIN00A654200CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. James L Crook Md 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.

Medicare Billing Reassignments

6

Medicare enrollment records show James Crook reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Childrens Anesthesia Medical Group Inc
Same address
Anesthesiology
747 52ND ST, DEPARTMENT OF ANESTHESIOLOGY
Oakland, CA 94609
  • Reassigned Medicare billing, California enrollment
  • 19 clinicians in this Medicare group
NPI 1265496756 (510) 428-3070
University Of California San Francisco
12 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
12 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
University Anesthesia Medical Group
12 mi
Anesthesiology
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 723 clinicians in this Medicare group
NPI 1528137296 (415) 476-1000
Presbyterian Healthcare Services
890 mi
General Acute Care Hospital
1100 CENTRAL SE
Albuquerque, NM 87106
  • Reassigned Medicare billing, New Mexico enrollment
  • 2,331 clinicians in this Medicare group
NPI 1215913470 (505) 841-1234
Children's Physician Services Of South Texas
1,600 mi
Plastic Surgery
3533 S ALAMEDA ST
Corpus Christi, TX 78411
  • Reassigned Medicare billing, Texas enrollment
  • 510 clinicians in this Medicare group
NPI 1568658227 (361) 694-4444

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.

MRS. SHERYL LEE GARCIA RN
Registered Nurse (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
ERICA TRINGALE N.P,
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3373
MRS. NATALIE PLOTKIN MS, ACPNP
Pediatrics (Pediatric Hematology-Oncology)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3484
REBECCA ROMANOV MD
Pediatrics
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3331
SHELLEY ANNE BULL CPNP-PC
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
KARIDA ADETORO
Student in an Organized Health Care Education/Training Program
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885
ANNIE ROQUE
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-4418
CHILDREN'S HOSPITAL & RESEARCH CENTER AT OAKLAND
General Acute Care Hospital
747 52ND ST
OAKLAND, CA 94609
Alameda County (510) 428-3885

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 Crook's NPI number?

The NPI number for James Crook is 1477519197. It was assigned to this individual provider in the NPPES registry on April 21, 2006.

Where is James Crook located?

James Crook practices at 747 52nd St, Oakland, CA 94609. The listed phone number is (510) 428-3070.

What is James Crook's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is James Crook enrolled in Medicare?

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

Which organizations bill Medicare for James Crook's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Crook reassigns Medicare benefits to 6 organizations: Childrens Anesthesia Medical Group Inc (Oakland, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), University Anesthesia Medical Group (San Francisco, CA), Presbyterian Healthcare Services (Albuquerque, NM) and 1 more organization, listed in the Medicare section above. 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 James Crook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Crook accept?

Health plans from Blue Cross and Blue Shield of Texas list James Crook as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Crook was last updated on April 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.