DR. GEORGE M SONNEBORN AFE23957
NPI 1922187962
Internal Medicine in Pasadena, CA

Active since November 02, 2006PECOS Enrolled
1855 N FAIR OAKS AVE # 200, PASADENA, CA 91103(626) 398-6300(626) 398-5840 Get Directions Write a Review

NPPES record last updated: May 29, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. George M Sonneborn Afe23957 NPPES

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

DR. GEORGE M SONNEBORN AFE23957 (NPI 1922187962) is an individual internal medicine provider in Pasadena, California, licensed in California (AFE23957) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922187962
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. GEORGE M SONNEBORNCredential: AFE23957
Location Address1855 N FAIR OAKS AVE # 200Pasadena, CA 91103-1620
Mailing Address854 Murietta DrArcadia, CA 91007-6028 · (626) 398-6300 · Fax (626) 398-5840
Fax(626) 398-5840
Sole ProprietorNo
Enumeration DateNovember 2, 2006
Last NPPES UpdateMay 29, 2008
NPI 1922187962 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · AFE23957
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedEmergency Medical Technician, BasicTaxonomy 146N00000X · License AFE23957 (CA)
1855 N FAIR OAKS AVE # 200, Pasadena, CA 91103

Other Names 1

Professional Name (2)George M Sonnerborn M.d.

Other Identifiers 4

MedicaidEAP70768FCA
Other187689315CA · Chap Npi
MedicaidFHC70768FCA
MedicaidHAP70768FCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. George M Sonneborn Afe23957 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Podiatrist (Foot & Ankle Surgery)
1855 N FAIR OAKS AVE # 200
PASADENA, CA 91103
Nurse Practitioner
1855 N FAIR OAKS AVE # 200
PASADENA, CA 91103

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 George Sonneborn's NPI number?

The NPI number for George Sonneborn is 1922187962. It was assigned to this individual provider in the NPPES registry on November 2, 2006. The provider is also known as George M Sonnerborn M.D..

Where is George Sonneborn located?

George Sonneborn practices at 1855 N Fair Oaks Ave # 200, Pasadena, CA 91103. The listed phone number is (626) 398-6300.

What is George Sonneborn's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is George Sonneborn enrolled in Medicare?

Yes. George Sonneborn is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for George Sonneborn was last updated on May 29, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.