DR. CRYSTAL LEE IRWIN WARREN D.O.
NPI 1235585639
Emergency Medicine in Fresno, CA

Q: What is Crystal Irwin Warren's NPI number?

The NPI number for Crystal Irwin Warren is 1235585639. It was assigned to this individual provider in the NPPES registry on May 4, 2016.

Q: What is Crystal Irwin Warren's specialty?

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

Active since May 04, 2016PECOS Enrolled

69.39/100

CMS Quality Rating

1303 E HERNDON AVE, FRESNO, CA 93720(559) 450-3000 Get Directions Write a Review

NPPES record last updated: September 9, 2022. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 9, 2022, Jul 26, 2019 (2 updates tracked since 2019).

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About Dr. Crystal Lee Irwin Warren D.o. NPPES

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

DR. CRYSTAL LEE IRWIN WARREN D.O. (NPI 1235585639) is an individual emergency medicine provider in Fresno, California, licensed in California (20A15353) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in Los Angeles.

NPPES Registry Identity

NPI1235585639

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameDR. CRYSTAL LEE IRWIN WARRENCredential: D.O.

Location Address1303 E HERNDON AVEFresno, CA 93720

Mailing Address2100 Powell St Ste 400Emeryville, CA 94608-1826 · (510) 350-2600

Phone(559) 450-3000

Sole ProprietorYes

Enumeration DateMay 4, 2016

Last NPPES UpdateSeptember 9, 20222 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2022

✔ NPI 1235585639 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 · 20A15353

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.

1303 E HERNDON AVE, Fresno, CA 93720

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Secondary Practice Location 1

Location 12051 Marengo StLos Angeles, CA 90033-1352 · Phone (323) 409-1000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Kansas City, Molina Healthcare.Insurance ›

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. Crystal Lee Irwin Warren D.o. 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 93720 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

69.39/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

57.34

Promoting Interoperability

Improvement Activities

Cost

49.03

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.

MINA EMAD HANDAL MD

Student in an Organized Health Care Education/Training Program