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ELAN DANIEL KROJANKER MD
NPI 1215431374
Anesthesiology in La Jolla, CA

Active since March 22, 2018PECOS EnrolledAccepts Medicare Assignment
9434 MEDICAL CENTER DR, LA JOLLA, CA 92037(858) 657-7000 Get Directions Write a Review

NPPES record last updated: May 9, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 9, 2023, Mar 22, 2018 (2 updates tracked since 2018).

About Elan Daniel Krojanker Md NPPES

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

ELAN DANIEL KROJANKER MD (NPI 1215431374) is an individual anesthesiology provider in La Jolla, California, licensed in California (A165950) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of University Of Missouri, Columbia School Of Medicine (2018).

NPPES Registry Identity

NPI1215431374
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameELAN DANIEL KROJANKERCredential: MD
Location Address9434 MEDICAL CENTER DRLa Jolla, CA 92037-1337
Mailing Address751 S Bascom AveSan Jose, CA 95128-2604
Phone(858) 657-7000
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 2018
Enumeration DateMarch 22, 2018
Last NPPES UpdateMay 9, 20232 updates tracked since enumeration
NPPES CertifiedMay 9, 2023
✔ NPI 1215431374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A165950
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.
9434 MEDICAL CENTER DR, La Jolla, CA 92037
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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

Elan Daniel Krojanker 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 ID7911312285
PECOS Enrollment IDI20230727002164
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

2

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

Regents Of The University Of
73 mi
Anesthesiology
101 THE CITY DR SOUTH
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 420 clinicians in this Medicare group
NPI 1487602546 (714) 456-8068
East Bay Anesthesiology Medical Group, Inc
444 mi
Anesthesiology
350 HAWTHORNE AVE
Oakland, CA 94609
  • Reassigned Medicare billing, California enrollment
  • 68 clinicians in this Medicare group
NPI 1649226242 (510) 655-4000

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 2

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
25 services25 patients
Anesthesia for procedure on heart and large blood vessels 00560
Anesthesia for heart and large blood vessel procedures involves using medications to block sensation, ensuring you don't feel pain during surgery. It can be general (you're asleep) or regional (part of your body is numbed). It helps ensure comfort and safety throughout the operation.
17 services17 patients

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.

KRISTEN ANNE HERZIK PHARM.D
Pharmacist
9434 MEDICAL CENTER DR
LA JOLLA, CA 92037
San Diego County (858) 249-4030
TONI LEA BIRCH MOSELEY NP
Nurse Practitioner
9434 MEDICAL CENTER DR, MAIL CODE 7892
LA JOLLA, CA 92037
San Diego County (858) 657-7174
CHRISTANNE KURTZ NP
Nurse Practitioner
9434 MEDICAL CENTER DR
LA JOLLA, CA 92037
San Diego County (858) 657-7000
DANIEL POLLACK RN, CNS
Clinical Nurse Specialist (Acute Care)
9434 MEDICAL CENTER DR
LA JOLLA, CA 92037
San Diego County (858) 657-6677
ANNE-SOPHIE LACHARITE-ROBERGE
Internal Medicine (Cardiovascular Disease)
9434 MEDICAL CENTER DR
LA JOLLA, CA 92037
San Diego County (800) 926-8273
STEPHANIE ANN DEFLAVIO PA
Physician Assistant
9434 MEDICAL CENTER DR
LA JOLLA, CA 92037
San Diego County (800) 926-8273
KIMBERLY N HONG MD
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
9434 MEDICAL CENTER DR
LA JOLLA, CA 92037
San Diego County (858) 249-6752
BRYAN STEPHEN AVILEZ
Nurse Practitioner (Acute Care)
9434 MEDICAL CENTER DR
LA JOLLA, CA 92037
San Diego County (858) 657-7000

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 Elan Krojanker's NPI number?

The NPI number for Elan Krojanker is 1215431374. It was assigned to this individual provider in the NPPES registry on March 22, 2018.

Where is Elan Krojanker located?

Elan Krojanker practices at 9434 Medical Center Dr, La Jolla, CA 92037. The listed phone number is (858) 657-7000.

What is Elan Krojanker's specialty?

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

Is Elan Krojanker enrolled in Medicare?

Yes. Elan Krojanker 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 Elan Krojanker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elan Krojanker reassigns Medicare benefits to 2 organizations: Regents Of The University Of (Orange, CA) and East Bay Anesthesiology Medical Group, Inc (Oakland, 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 Elan Krojanker'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 Elan Krojanker was last updated on May 9, 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.