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DR. DANIELLE THERESA WILLIAMS M.D.
NPI 1811061856
Anesthesiology in Alhambra, CA

Active since November 20, 2006PECOS EnrolledAccepts Medicare Assignment
100 S RAYMOND AVE, ALHAMBRA, CA 91801(626) 375-4559 Get Directions Write a Review

NPPES record last updated: March 13, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Danielle Theresa Williams M.d. NPPES

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

DR. DANIELLE THERESA WILLIAMS M.D. (NPI 1811061856) is an individual anesthesiology provider in Alhambra, California, licensed in California (A96182) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of University Of Southern California Keck School Of Medicine (2002).

NPPES Registry Identity

NPI1811061856
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. DANIELLE THERESA WILLIAMSCredential: M.D.
Location Address100 S RAYMOND AVEAlhambra, CA 91801-3166
Mailing Address12334 Montana AveLos Angeles, CA 90049-5209 · (626) 375-4559
Phone(626) 375-4559
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2002
Enumeration DateNovember 20, 2006
Last NPPES UpdateMarch 13, 2020
NPPES CertifiedMarch 13, 2020
✔ NPI 1811061856 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A96182
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.
100 S RAYMOND AVE, Alhambra, CA 91801
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Secondary Practice Location 1

Location 112334 Montana AveLos Angeles, CA 90049-5209 · Phone (626) 375-4559

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. Danielle Theresa 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 ID648372839
PECOS Enrollment IDI20070219000240
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

6

Medicare enrollment records show Danielle Williams reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Consultants For Anesthesia & Management Of Pain
6.3 mi
Anesthesiology
1509 WILSON TER
Glendale, CA 91206
  • Reassigned Medicare billing, California enrollment
  • 42 clinicians in this Medicare group
NPI 1952323909 (818) 409-8000
La Quality Care Anesthesia Consultants Inc
8.7 mi
Anesthesiology
5700 SAN FERNANDO RD
Glendale, CA 91202
  • Reassigned Medicare billing, California enrollment
  • 58 clinicians in this Medicare group
NPI 1427470053 (818) 637-7766
Downey Anesthesia Medical Group Inc.
11 mi
Anesthesiology
11500 BROOKSHIRE AVE
Downey, CA 90241
  • Reassigned Medicare billing, California enrollment
  • 13 clinicians in this Medicare group
NPI 1598779332 (562) 904-5000
Citrus Valley Anesthesia Medical Group
12 mi
Anesthesiology
1115 S SUNSET AVE
West Covina, CA 91790
  • Reassigned Medicare billing, California enrollment
  • 42 clinicians in this Medicare group
NPI 1912920331 (626) 962-4011
Olympic Anesthesia Partnership
14 mi
Anesthesiology
9001 WILSHIRE BLVD STE 100
Beverly Hills, CA 90211
  • Reassigned Medicare billing, California enrollment
  • 37 clinicians in this Medicare group
NPI 1881707586 (310) 275-2339
Anesthesia Specialists Of Orange County, Inc.
21 mi
Anesthesiology
1211 W LA PALMA AVE, SUITE 209
Anaheim, CA 92801
  • Reassigned Medicare billing, California enrollment
  • 73 clinicians in this Medicare group
NPI 1134311319 (877) 594-2787

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 4

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 exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
72 services71 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.
44 services44 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.
20 services20 patients
Anesthesia for other procedure on eye 00140
Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.
14 services14 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.

CHIBONG ALEX YU D.O., M.P.H.
Internal Medicine (Infectious Disease)
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (951) 929-6260
DR. ANTHONY TJIO M.D.
Emergency Medicine
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 836-3020
NELLISA EBANKS
Registered Nurse
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (310) 596-9776
CHUN TER CHEN M.D.
Anesthesiology
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 570-1606
Y C TSENG MD INC
Anesthesiology
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 570-1606
ALHAMBRA HOSPITAL MEDICAL CENTER, LP
General Acute Care Hospital
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 457-7938
MR. RAY REGALADO PT
Physical Therapist
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 458-4707
ALHAMBRA HOSPITAL MEDICAL CENTER, LP
General Acute Care Hospital
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 457-7938

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 Danielle Williams's NPI number?

The NPI number for Danielle Williams is 1811061856. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is Danielle Williams located?

Danielle Williams practices at 100 S Raymond Ave, Alhambra, CA 91801. The listed phone number is (626) 375-4559.

What is Danielle Williams's specialty?

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

Is Danielle Williams enrolled in Medicare?

Yes. Danielle Williams 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 Danielle Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Danielle Williams reassigns Medicare benefits to 6 organizations: Consultants For Anesthesia & Management Of Pain (Glendale, CA), La Quality Care Anesthesia Consultants Inc (Glendale, CA), Downey Anesthesia Medical Group Inc. (Downey, CA), Citrus Valley Anesthesia Medical Group (West Covina, CA), Olympic Anesthesia Partnership (Beverly Hills, CA) and 1 more organization, listed in the Medicare section above. 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 Danielle Williams'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 Danielle Williams was last updated on March 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.