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CAROLINE KOAN M.D.
NPI 1205298767
Internal Medicine - Infectious Disease in Long Beach, CA

Active since March 24, 2016PECOS EnrolledAccepts Medicare Assignment
1333 CHESTNUT AVE, LONG BEACH, CA 90813(562) 753-2422 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 10, 2025, Mar 24, 2016 (2 updates tracked since 2016).

About Caroline Koan M.d. NPPES

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

CAROLINE KOAN M.D. (NPI 1205298767) is an individual infectious disease provider in Long Beach, California, licensed in California (A150384) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and is a graduate of University Of Toledo College Of Medicine (2016).

NPPES Registry Identity

NPI1205298767
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameCAROLINE KOANCredential: M.D.
Location Address1333 CHESTNUT AVELong Beach, CA 90813-2944
Mailing Address1333 Chestnut AveLong Beach, CA 90813-2944 · (562) 753-2422
Phone(562) 753-2422
Sole ProprietorNo
Medical School CMSUniversity Of Toledo College Of MedicineGraduated 2016
Enumeration DateMarch 24, 2016
Last NPPES UpdateSeptember 10, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2025
✔ NPI 1205298767 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · A150384
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
1333 CHESTNUT AVE, Long Beach, CA 90813
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Caroline Koan 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 ID7517343650
PECOS Enrollment IDI20251016001172
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 90813 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 20

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

MAYRA P MONTOYA MANRIQUEZ LVN
Registered Nurse (Ambulatory Care)
1333 CHESTNUT AVE
LONG BEACH, CA 90813
Los Angeles County (323) 753-2300
KATYA C CORADO M.D.
Internal Medicine
1333 CHESTNUT AVE
LONG BEACH, CA 90813
Los Angeles County (562) 599-8601
SHANA JORDAN M.D.
Family Medicine
1333 CHESTNUT AVE
LONG BEACH, CA 90813
Los Angeles County (562) 599-8601
MS. PATRICIA SERNA L.C.S.W.
Social Worker (Clinical)
1333 CHESTNUT AVE
LONG BEACH, CA 90813
Los Angeles County (562) 599-8674
JEFFREY BARBOSA M.D.
Family Medicine
1333 CHESTNUT AVE
LONG BEACH, CA 90813
Los Angeles County (562) 599-8601
SUN HWE UM N.P.
Nurse Practitioner
1333 CHESTNUT AVE
LONG BEACH, CA 90813
Los Angeles County (562) 599-8601
BONNIE BAYYA FNP-BC
Nurse Practitioner
1333 CHESTNUT AVE
LONG BEACH, CA 90813
Los Angeles County (310) 753-2300
COUNTY OF LOS ANGELES AUDITOR CONTROLLER
Clinic/Center
1333 CHESTNUT AVE
LONG BEACH, CA 90813
Los Angeles County (562) 599-8709

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 Caroline Koan's NPI number?

The NPI number for Caroline Koan is 1205298767. It was assigned to this individual provider in the NPPES registry on March 24, 2016.

Where is Caroline Koan located?

Caroline Koan practices at 1333 Chestnut Ave, Long Beach, CA 90813. The listed phone number is (562) 753-2422.

What is Caroline Koan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Caroline Koan enrolled in Medicare?

Yes. Caroline Koan 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.

When was this NPI record last updated?

The NPPES record for Caroline Koan was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.