Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ELLIOT CHRISTOPHER WILLIAMS M.D.
NPI 1447660055
Surgery - Surgical Critical Care in San Diego, CA

Q: What is Elliot Williams's NPI number?

The NPI number for Elliot Williams is 1447660055. It was assigned to this individual provider in the NPPES registry on May 5, 2014.

Q: What is Elliot Williams's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Q: When was this NPI record last updated?

The NPPES record for Elliot Williams was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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 May 05, 2014PECOS Enrolled

200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273 Get Directions Write a Review

NPPES record last updated: September 4, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 4, 2026, Sep 1, 2023, Nov 21, 2022 (3 updates tracked since 2022).

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About Elliot Christopher Williams M.d. NPPES

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

ELLIOT CHRISTOPHER WILLIAMS M.D. (NPI 1447660055) is an individual surgical critical care provider in San Diego, California, licensed in California (A140929) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of California, San Diego School Of Medicine (2014).

NPPES Registry Identity

NPI1447660055

Entity TypeIndividualMale

Primary Taxonomy2086S0102X

Provider Legal NameELLIOT CHRISTOPHER WILLIAMSCredential: M.D.

Location Address200 W ARBOR DRSan Diego, CA 92103-9000

Mailing AddressFile 57326Los Angeles, CA 90074-7326 · (800) 926-8273

Phone(800) 926-8273

Sole ProprietorNo

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2014

Enumeration DateMay 5, 2014

Last NPPES UpdateSeptember 4, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 4, 2026

✔ NPI 1447660055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians

Taxonomy Code2086S0102X

License✔ Licensed in CA · A140929

Definition

A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedSurgeryTaxonomy 208600000X · License A140929 (CA)

Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License A140929 (CA)

200 W ARBOR DR, San Diego, CA 92103

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Secondary Practice Locations 2

Location 12823 Fresno StFresno, CA 93721-1324 · Phone (559) 443-2682

Location 29300 Campus Point DrLA Jolla, CA 92037-1300 · Phone (800) 926-8273

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Elliot Christopher Williams 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 ID840678447

PECOS Enrollment IDI20220610001282

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.

Areas of Expertise CMS Part B claims 3

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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

67 services38 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

25 services24 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

20 services20 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.

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