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DR. JONATHAN JACOB PHILLIPS M.D.
NPI 1912263229
Anesthesiology in Pasadena, CA

Active since April 11, 2012PECOS Enrolled
100 W CALIFORNIA BLVD, PASADENA, CA 91105(266) 397-5000 Get Directions Write a Review

NPPES record last updated: September 19, 2017. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Jonathan Jacob Phillips M.d. NPPES

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

DR. JONATHAN JACOB PHILLIPS M.D. (NPI 1912263229) is an individual anesthesiology provider in Pasadena, California, licensed in California (A131610) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912263229
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. JONATHAN JACOB PHILLIPSCredential: M.D.
Location Address100 W CALIFORNIA BLVDPasadena, CA 91105-3010
Mailing Address7300 Medical Center DrWest Hills, CA 91307-1902 · (818) 676-4000
Phone(266) 397-5000
Sole ProprietorNo
Enumeration DateApril 11, 2012
Last NPPES UpdateSeptember 19, 2017
✔ NPI 1912263229 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A131610
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 W CALIFORNIA BLVD, Pasadena, CA 91105
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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 (PECOS)

Dr. Jonathan Jacob Phillips 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

4

Medicare enrollment records show Jonathan Phillips reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Socal Anesthesia Solutions, Inc
9.6 mi
Anesthesiology
1401 S GRAND AVE
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 76 clinicians in this Medicare group
NPI 1407596901 (213) 742-5910
Equity Anesthesia
22 mi
Anesthesiology
18133 VENTURA BLVD STE 400
Tarzana, CA 91356
  • Reassigned Medicare billing, California enrollment
  • 38 clinicians in this Medicare group
NPI 1134746456 (818) 668-6200
West Hills Anesthesia And Perioperative Physicians
28 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
Palm Springs Anesthesia Services, PC
50 mi
Anesthesiology
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 270 clinicians in this Medicare group
NPI 1083928501 (914) 491-9495

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 2

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 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.
41 services41 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.
26 services26 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.

SARAH STEPHENS NP
Nurse Practitioner (Acute Care)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-8300
ROMELIA JALEH BATANG GARCIA RNFA
Registered Nurse (Registered Nurse First Assistant)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-5012
DR. RICHARD A. REED MEDICAL DOCTOR
Radiology (Diagnostic Radiology)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-5139
DR. HENRY LEVENSON M.D.
Pain Medicine (Pain Medicine)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 256-6010
PASADENA HOSPITAL ASSOCIATION, LTD.
Rehabilitation Unit
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-5555
ANIL K HANUMAN D,O.
Hospitalist
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-8300
DR. NICHOLAS WITHROW GRECO M.D.
Emergency Medicine
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 397-5112
DR. MINDY EVE TITTIGER M.D.
Internal Medicine
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Los Angeles County (626) 352-1444

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 Jonathan Phillips's NPI number?

The NPI number for Jonathan Phillips is 1912263229. It was assigned to this individual provider in the NPPES registry on April 11, 2012.

Where is Jonathan Phillips located?

Jonathan Phillips practices at 100 W California Blvd, Pasadena, CA 91105. The listed phone number is (266) 397-5000.

What is Jonathan Phillips's specialty?

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

Is Jonathan Phillips enrolled in Medicare?

Yes. Jonathan Phillips is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jonathan Phillips's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Phillips reassigns Medicare benefits to 4 organizations: Socal Anesthesia Solutions, Inc (Los Angeles, CA), Equity Anesthesia (Tarzana, CA), West Hills Anesthesia And Perioperative Physicians (West Hills, CA) and Palm Springs Anesthesia Services, PC (San Bernardino, 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 Jonathan Phillips'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 Jonathan Phillips was last updated on September 19, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.