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DR. CHARLES OMONDI OTIENO M.D.
NPI 1326097338
Emergency Medicine in Pasadena, CA

Active since May 08, 2006PECOS EnrolledAccepts Medicare Assignment
960 E GREEN ST. THATCHER MEDICAL CENTER, SUITE L10, PASADENA, CA 91106(626) 486-2674(626) 486-2674 Get Directions Write a Review

NPPES record last updated: March 17, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 17, 2026, Aug 14, 2024, Feb 28, 2017 (3 updates tracked since 2017).

About Dr. Charles Omondi Otieno M.d. NPPES

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

DR. CHARLES OMONDI OTIENO M.D. (NPI 1326097338) is an individual emergency medicine provider in Pasadena, California, licensed in California (A85874) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1326097338
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. CHARLES OMONDI OTIENOCredential: M.D.
Location Address960 E GREEN ST. THATCHER MEDICAL CENTER, SUITE L10Pasadena, CA 91106
Mailing Address2034 Los Amigos StLa Canada, CA 91011-1346 · (323) 459-7089
Phone(626) 486-2674
Fax(626) 486-2674
Sole ProprietorYes
Medical School CMSOtherGraduated 1995
Enumeration DateMay 8, 2006
Last NPPES UpdateMarch 17, 20263 updates tracked since enumeration
NPPES CertifiedMarch 17, 2026
✔ NPI 1326097338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CA · A85874✔ Licensed in NM · MD2006-0790
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
960 E GREEN ST. THATCHER MEDICAL CENTER, Pasadena, CA 91106
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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. Charles Omondi Otieno 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 ID1658323290
PECOS Enrollment IDI20100603000833
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 Charles Otieno reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Michael S. Agron, M.D., Inc.
5.1 mi
Emergency Medicine
300 W HUNTINGTON DR
Arcadia, CA 91007
  • Reassigned Medicare billing, California enrollment
  • 71 clinicians in this Medicare group
NPI 1699716100 (626) 574-3456
Valley Presbyterian Emergency Medical Associates
19 mi
Emergency Medicine
15107 VANOWEN ST
Van Nuys, CA 91405
  • Reassigned Medicare billing, California enrollment
  • 86 clinicians in this Medicare group
NPI 1033133103 (310) 321-0143
Los Robles Emergency Physicians Medical Group
43 mi
Emergency Medicine
215 W JANSS RD
Thousand Oaks, CA 91360
  • Reassigned Medicare billing, California enrollment
  • 70 clinicians in this Medicare group
NPI 1417983552 (805) 370-4435
Em Alliance California, Apc
68 mi
Emergency Medicine
25500 MEDICAL CENTER DR
Murrieta, CA 92562
  • Reassigned Medicare billing, California enrollment
  • 112 clinicians in this Medicare group
NPI 1376305755 (561) 203-0611

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.

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.
112 services108 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
107 services106 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
99 services93 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
55 services50 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91106 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

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 Charles Otieno's NPI number?

The NPI number for Charles Otieno is 1326097338. It was assigned to this individual provider in the NPPES registry on May 8, 2006.

Where is Charles Otieno located?

Charles Otieno practices at 960 E Green St. Thatcher Medical Center Suite L10, Pasadena, CA 91106. The listed phone number is (626) 486-2674.

What is Charles Otieno's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Charles Otieno enrolled in Medicare?

Yes. Charles Otieno 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 Charles Otieno's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Otieno reassigns Medicare benefits to 4 organizations: Michael S. Agron, M.D., Inc. (Arcadia, CA), Valley Presbyterian Emergency Medical Associates (Van Nuys, CA), Los Robles Emergency Physicians Medical Group (Thousand Oaks, CA) and Em Alliance California, Apc (Murrieta, 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 Charles Otieno'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 Charles Otieno was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.