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SARAH KOSER
NPI 1184251225
Emergency Medicine in Fresno, CA

Active since March 26, 2020PECOS EnrolledAccepts Medicare Assignment
155 N FRESNO ST, FRESNO, CA 93701(559) 499-6440 Get Directions Write a Review

NPPES record last updated: June 20, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jun 20, 2024, Mar 26, 2020 (2 updates tracked since 2020).

About Sarah Koser NPPES

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

SARAH KOSER (NPI 1184251225) is an individual emergency medicine provider in Fresno, California, licensed in California (A191127) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2020).

NPPES Registry Identity

NPI1184251225
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameSARAH KOSER
Location Address155 N FRESNO STFresno, CA 93701-2302
Mailing Address155 N Fresno StFresno, CA 93701-2302
Phone(559) 499-6440
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2020
Enumeration DateMarch 26, 2020
Last NPPES UpdateJune 20, 20242 updates tracked since enumeration
NPPES CertifiedJune 20, 2024
✔ NPI 1184251225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A191127
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.
155 N FRESNO ST, Fresno, CA 93701
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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

Sarah Koser 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 ID3375998156
PECOS Enrollment IDI20231013002535
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 Sarah Koser reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Faculty Associates, Inc.
0.1 mi
Emergency Medicine
2823 FRESNO ST
Fresno, CA 93721
  • Reassigned Medicare billing, California enrollment
  • 320 clinicians in this Medicare group
NPI 1235537283 (559) 443-2682
Central California Faculty Medical Group, Inc.
0.2 mi
Emergency Medicine
2823 FRESNO ST
Fresno, CA 93721
  • Reassigned Medicare billing, California enrollment
  • 295 clinicians in this Medicare group
NPI 1457603573 (559) 443-2682
Cep America - California
6.5 mi
Emergency Medicine
1303 E HERNDON AVE
Fresno, CA 93720
  • Reassigned Medicare billing, California enrollment
  • 2,323 clinicians in this Medicare group
NPI 1396172615 (559) 450-3000
San Joaquin Emergency Medical Associates
56 mi
Emergency Medicine
333 MERCY AVE
Merced, CA 95340
  • Reassigned Medicare billing, California enrollment
  • 141 clinicians in this Medicare group
NPI 1588960413 (844) 474-4019

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.

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.
123 services122 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.
36 services35 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.
22 services20 patients
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.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93701 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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 20

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

SAAJAN BHAKTA DO
Emergency Medicine
155 N FRESNO ST
FRESNO, CA 93701
Fresno County (559) 499-6440
DR. MIKELA MARIYA PADILLA MD
Student in an Organized Health Care Education/Training Program
155 N FRESNO ST
FRESNO, CA 93701
Fresno County (559) 499-6518
KHALED MOHAMMED SALEH ABDULLAH MBBS
Student in an Organized Health Care Education/Training Program
155 N FRESNO ST
FRESNO, CA 93701
Fresno County (559) 499-6400
ANGELA MARON
Student in an Organized Health Care Education/Training Program
155 N FRESNO ST
FRESNO, CA 93701
Fresno County (599) 499-6540
DR. CHETANNA OKPALEKE AMAZU MD
Student in an Organized Health Care Education/Training Program
155 N FRESNO ST
FRESNO, CA 93701
Fresno County (913) 407-8457
DR. NITIKA NARINDER DHIR M.D.
Pediatrics (Adolescent Medicine)
155 N FRESNO ST, STE 326
FRESNO, CA 93701
Fresno County (559) 499-6466
SANG JO HWANG DO
Internal Medicine (Infectious Disease)
155 N FRESNO ST
FRESNO, CA 93701
Fresno County (559) 499-6400
DR. THURAYA AL-SAYEGH MD
Student in an Organized Health Care Education/Training Program
155 N FRESNO ST
FRESNO, CA 93701
Fresno County (559) 499-6550

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 Sarah Koser's NPI number?

The NPI number for Sarah Koser is 1184251225. It was assigned to this individual provider in the NPPES registry on March 26, 2020.

Where is Sarah Koser located?

Sarah Koser practices at 155 N Fresno St, Fresno, CA 93701. The listed phone number is (559) 499-6440.

What is Sarah Koser's specialty?

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

Is Sarah Koser enrolled in Medicare?

Yes. Sarah Koser 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 Sarah Koser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Koser reassigns Medicare benefits to 4 organizations: University Faculty Associates, Inc. (Fresno, CA), Central California Faculty Medical Group, Inc. (Fresno, CA), Cep America - California (Fresno, CA) and San Joaquin Emergency Medical Associates (Merced, 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 Sarah Koser'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 Sarah Koser was last updated on June 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.