MICHAEL NUSSBAUM M.D.
NPI 1932100856
Anesthesiology in Poway, CA

Q: What is Michael Nussbaum's NPI number?

The NPI number for Michael Nussbaum is 1932100856. It was assigned to this individual provider in the NPPES registry on August 2, 2005.

Q: What is Michael Nussbaum's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Michael Nussbaum was last updated on August 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since August 02, 2005PECOS Enrolled

15525 POMERADO RD, POWAY, CA 92064(858) 521-0031(858) 521-0912 Get Directions Write a Review

NPPES record last updated: August 19, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Michael Nussbaum M.d. NPPES

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

MICHAEL NUSSBAUM M.D. (NPI 1932100856) is an individual anesthesiology provider in Poway, California, licensed in California (G60727) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Escondido.

NPPES Registry Identity

NPI1932100856

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameMICHAEL NUSSBAUMCredential: M.D.

Location Address15525 POMERADO RDPoway, CA 92064-2435

Mailing AddressPo Box 34120Reno, NV 89533-4120 · (877) 747-5050 · Fax (877) 747-5005

Phone(858) 521-0031

Fax(858) 521-0912

Sole ProprietorNo

Enumeration DateAugust 2, 2005

Last NPPES UpdateAugust 19, 2021

NPPES CertifiedAugust 19, 2021

✔ NPI 1932100856 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in CA · G60727

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.

15525 POMERADO RD, Poway, CA 92064

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Secondary Practice Location 1

Location 1555 E Valley PkwyEscondido, CA 92025-3048 · Phone (760) 739-3000

Other Identifiers 1

Medicaid00G607270CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael Nussbaum M.d. 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

Medicare enrollment records show Michael Nussbaum reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesia Consultants Of California Medical Group Inc

9.1 mi

Anesthesiology

555 E VALLEY PARKWAY, PALOMAR MEDICAL CENTER
Escondido, CA 92025

Reassigned Medicare billing, California enrollment
64 clinicians in this Medicare group

NPI 1164463055 (760) 739-3000

Michael Nussbaum, M.D., Inc.

15 mi

Anesthesiology

6719 ALVARADO RD
San Diego, CA 92120

Reassigned Medicare billing, California enrollment

NPI 1114297892 (858) 495-0971

Regents Of The University Of California

18 mi

Anesthesiology

200 W ARBOR DR
San Diego, CA 92103

Reassigned Medicare billing, California enrollment
251 clinicians in this Medicare group

NPI 1356444897 (800) 926-8273

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 5

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 procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810

Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.

42 services40 patients

Anesthesia for other procedure or exam of knee joint using an endoscope 01400

Anesthesia for a knee joint procedure or exam using an endoscope involves administering medication to numb the area or put you in a sleep-like state. This ensures you don't feel pain during the procedure. The endoscope, a thin tube with a camera, allows the doctor to view the knee joint internally without making large incisions.

22 services22 patients

Anesthesia for other procedure on top of arm bone and shoulder joint 01630

Anesthesia for a procedure on the arm bone or shoulder joint involves using medication to numb the area or make you unconscious during surgery. This ensures you feel no pain during the procedure. It's a common and safe practice in medical surgeries.

19 services18 patients

Anesthesia for procedure for total knee joint replacement 01402

Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.

14 services14 patients

Anesthesia for other procedure on lower leg, ankle, and foot bones 01480

Anesthesia for procedures on lower leg, ankle, and foot bones involves administering medication to block pain and sensation in these areas. This allows doctors to perform necessary treatments or surgeries without causing discomfort. The type of anesthesia used can vary based on the specific procedure.

11 services11 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.

PHILIP GREGORY BOHART M.D

Orthopaedic Surgery

15525 POMERADO RD, SUITE A-1
POWAY, CA 92064

San Diego County (858) 485-0050

DR. JOSHUA MICHAEL HARRIS HALL M.D., PH.D.

Psychiatry & Neurology (Psychiatry)

15525 POMERADO RD, SUITE E-3
POWAY, CA 92064

San Diego County (858) 592-6644

DR. DEBRA JOAN ABEL AU.D.

Audiologist

15525 POMERADO RD, E-1
POWAY, CA 92064

San Diego County (858) 618-1249

YUAN WANG ACUPUNCTURIST

Acupuncturist

15525 POMERADO RD, SUITE E-4
POWAY, CA 92064

San Diego County (858) 829-9485

DR. GEORGE B SACHS MD

Otolaryngology

15525 POMERADO RD
POWAY, CA 92064

San Diego County (858) 485-7870

SAN DIEGO PSYCHOLOGICAL CENTER INC.

Psychologist

15525 POMERADO RD, SUITE B3
POWAY, CA 92064

San Diego County (760) 607-6463

GEORGE B. SACHS M.D. A MEDICAL CORPORATION

Otolaryngology

15525 POMERADO RD, SUITE E1
POWAY, CA 92064

San Diego County (858) 705-1366

MR. THOMAS L DE WILDT LCSW

Social Worker (Clinical)

15525 POMERADO RD, SUITE A-7
POWAY, CA 92064

San Diego County (858) 279-1223

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 Michael Nussbaum's NPI number?

The NPI number for Michael Nussbaum is 1932100856. It was assigned to this individual provider in the NPPES registry on August 2, 2005.

Where is Michael Nussbaum located?

Michael Nussbaum practices at 15525 Pomerado Rd, Poway, CA 92064. The listed phone number is (858) 521-0031.

What is Michael Nussbaum's specialty?

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

Is Michael Nussbaum enrolled in Medicare?

Yes. Michael Nussbaum is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Nussbaum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Nussbaum reassigns Medicare benefits to 3 organizations: Anesthesia Consultants Of California Medical Group Inc (Escondido, CA), Michael Nussbaum, M.D., Inc. (San Diego, CA) and Regents Of The University Of California (San Diego, 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 Michael Nussbaum'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 Michael Nussbaum was last updated on August 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.