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DR. ALEXANDER KORETZ M.D.
NPI 1306869573
Anesthesiology in Burbank, CA

Active since July 26, 2006PECOS EnrolledAccepts Medicare Assignment
501 S BUENA VISTA ST, BURBANK, CA 91505(818) 843-5111(818) 847-3935 Get Directions Write a Review

NPPES record last updated: August 6, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Alexander Koretz M.d. NPPES

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

DR. ALEXANDER KORETZ M.D. (NPI 1306869573) is an individual anesthesiology provider in Burbank, California, licensed in California (A55014) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1306869573
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. ALEXANDER KORETZCredential: M.D.
Location Address501 S BUENA VISTA STBurbank, CA 91505-4809
Mailing AddressPo Box 60790Pasadena, CA 91116-6790 · (626) 795-6596 · Fax (626) 795-8247
Phone(818) 843-5111
Fax(818) 847-3935
Sole ProprietorYes
Medical School CMSOtherGraduated 1990
Enumeration DateJuly 26, 2006
Last NPPES UpdateAugust 6, 2014
✔ NPI 1306869573 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A55014
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.
501 S BUENA VISTA ST, Burbank, CA 91505
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Other Identifiers 5

Medicare PINWA55014ACA
Other00A550140CA · Blue Shield
Medicare UPING86450
Medicare PINWA55014BCA
Medicaid00A550140CA

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

Dr. Alexander Koretz M.d. 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 ID4183642788
PECOS Enrollment IDI20051102000619
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 Reassignment

Medicare enrollment records show Alexander Koretz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Buena Vista Anesthesia Medical Group
Same address
Anesthesiology
501 S BUENA VISTA ST
Burbank, CA 91505
  • Reassigned Medicare billing, California enrollment
  • 98 clinicians in this Medicare group
NPI 1366462293 (818) 843-5111

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 7

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
38 services38 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
36 services35 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
22 services22 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
19 services19 patients
Injection of substance into lower spine canal 62322
This procedure involves injecting a substance into your lower spine canal, often for pain relief or diagnostic purposes. A needle is carefully inserted into the area, and the substance is then administered. It's generally safe and can provide valuable information about your spinal health.
15 services15 patients
Anesthesia for total hip replacement 01214
Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.
13 services13 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.

DR. KENT VU M.D.
Anesthesiology
501 S BUENA VISTA ST
BURBANK, CA 91505
Los Angeles County (818) 843-5111
ERNEST ESTRADA VII P.A.
Physician Assistant
501 S BUENA VISTA ST, EM DEPT.
BURBANK, CA 91505
Los Angeles County (818) 843-5111
ST. JOSEPH PULMONARY DIAGNOSTIC MEDICAL GROUP
Specialist
501 S BUENA VISTA ST
BURBANK, CA 91505
Los Angeles County (818) 972-2626
CHRISTIAN JOSEPH GARIA PA
Physician Assistant
501 S BUENA VISTA ST
BURBANK, CA 91505
Los Angeles County (818) 843-5111
QUYNH THIEN QUACH D.O.
Anesthesiology
501 S BUENA VISTA ST
BURBANK, CA 91505
Los Angeles County (818) 843-5111
MARIA FISK R.D., C.D.E
Dietitian, Registered
501 S BUENA VISTA ST
BURBANK, CA 91505
Los Angeles County (818) 953-4494
KRISTEN RUMSEY KNAUFF RD
Dietitian, Registered
501 S BUENA VISTA ST
BURBANK, CA 91505
Los Angeles County (818) 847-3314
DR. JOHN BRANDON HAWKINS D.O.
Anesthesiology
501 S BUENA VISTA ST
BURBANK, CA 91505
Los Angeles County (818) 843-5111

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 Alexander Koretz's NPI number?

The NPI number for Alexander Koretz is 1306869573. It was assigned to this individual provider in the NPPES registry on July 26, 2006.

Where is Alexander Koretz located?

Alexander Koretz practices at 501 S Buena Vista St, Burbank, CA 91505. The listed phone number is (818) 843-5111.

What is Alexander Koretz's specialty?

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

Is Alexander Koretz enrolled in Medicare?

Yes. Alexander Koretz 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 organization bills Medicare for Alexander Koretz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Koretz reassigns Medicare benefits to Buena Vista Anesthesia Medical Group (Burbank, CA). The 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 Alexander Koretz'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 Alexander Koretz was last updated on August 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.