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DR. ROBERT JEREMY HACKWORTH M.D.
NPI 1891757456
Anesthesiology in San Diego, CA

Active since April 06, 2006PECOS EnrolledAccepts Medicare Assignment
34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL STAFF SERVICES, SAN DIEGO, CA 92134(619) 532-6460(619) 532-6299 Get Directions Write a Review

NPPES record last updated: December 26, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Robert Jeremy Hackworth M.d. NPPES

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

DR. ROBERT JEREMY HACKWORTH M.D. (NPI 1891757456) is an individual anesthesiology provider in San Diego, California, licensed in California (A81852) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1891757456
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. ROBERT JEREMY HACKWORTHCredential: M.D.
Location Address34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL STAFF SERVICESSan Diego, CA 92134-1098
Mailing Address34800 Bob Wilson Dr, Nmcsd, Attn: Medical Staff ServicesSan Diego, CA 92134-1098 · (619) 532-6460 · Fax (619) 532-6299
Phone(619) 532-6460
Fax(619) 532-6299
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateApril 6, 2006
Last NPPES UpdateDecember 26, 2023
NPPES CertifiedDecember 26, 2023
✔ NPI 1891757456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A81852
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.
Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X · License A81852 (CA)
34800 BOB WILSON DR, San Diego, CA 92134
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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

Dr. Robert Jeremy Hackworth 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 ID9830401777
PECOS Enrollment IDI20150706002399
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 Robert Hackworth reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Los Angeles
95 mi
Clinic/Center
1333 CHESTNUT AVE
Long Beach, CA 90813
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1780877613 (California)
  • 1,939 clinicians in this Medicare group
NPI 1568483766 (562) 599-8709
West Hills Anesthesia And Perioperative Physicians
133 mi
Anesthesiology
7300 MEDICAL CENTER DR
West Hills, CA 91307
  • Reassigned Medicare billing, California enrollment
  • 52 clinicians in this Medicare group
NPI 1881061802 (818) 888-7815

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.

LORENA MARIE FUJII N.P.
Nurse Practitioner (Pediatrics)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-8910
JANELLE MARIE MARRA DO
Family Medicine
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
LAKIESHA NICOLE MURPHY
Nurse's Aide
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 713-3385
SUSANNA BYRNE D.O.
Anesthesiology
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
DR. PAUL CHARLES CAMPBELL D.O.
Urology (Pediatric Urology)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-7200
PHILLIP EDWARD FRY JR. DO
Emergency Medicine
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
BRADLY JAMES STILLEY IDC
Military Health Care Provider (Independent Duty Corpsman)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (360) 941-9989
DR. ELIZABETH WHIPPLE PHD
Military Health Care Provider
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400

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 Robert Hackworth's NPI number?

The NPI number for Robert Hackworth is 1891757456. It was assigned to this individual provider in the NPPES registry on April 6, 2006.

Where is Robert Hackworth located?

Robert Hackworth practices at 34800 Bob Wilson Dr Nmcsd, Attn: Medical Staff Services, San Diego, CA 92134. The listed phone number is (619) 532-6460.

What is Robert Hackworth's specialty?

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

Is Robert Hackworth enrolled in Medicare?

Yes. Robert Hackworth 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 Robert Hackworth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Hackworth reassigns Medicare benefits to 2 organizations: County Of Los Angeles (Long Beach, CA) and West Hills Anesthesia And Perioperative Physicians (West Hills, 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 Robert Hackworth'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 Robert Hackworth was last updated on December 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.