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DR. STEPHEN SEONGEUN KOH M.D., PH.D.
NPI 1003057316
Pathology - Anatomic Pathology & Clinical Pathology in Anaheim, CA

Active since March 16, 2009PECOS EnrolledAccepts Medicare Assignment
3440 E LA PALMA AVE, KAISER ANAHEIM, DEPT OF PATHOLOGY, ANAHEIM, CA 92806(714) 644-6160 Get Directions Write a Review

NPPES record last updated: February 10, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 10, 2022, Dec 8, 2021, Feb 2, 2016 (3 updates tracked since 2016).

About Dr. Stephen Seongeun Koh M.d., Ph.d. NPPES

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

DR. STEPHEN SEONGEUN KOH M.D., PH.D. (NPI 1003057316) is an individual anatomic pathology & clinical pathology provider in Anaheim, California, licensed in California (A98501) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1003057316
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. STEPHEN SEONGEUN KOHCredential: M.D., PH.D.
Location Address3440 E LA PALMA AVE, KAISER ANAHEIM, DEPT OF PATHOLOGYAnaheim, CA 92806-2020
Mailing Address3440 E La Palma Ave, Kaiser Anaheim, Dept Of PathologyAnaheim, CA 92806-2020 · (714) 644-6160
Phone(714) 644-6160
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateMarch 16, 2009
Last NPPES UpdateFebruary 10, 20223 updates tracked since enumeration
✔ NPI 1003057316 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CA · A98501
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
3440 E LA PALMA AVE, Anaheim, CA 92806
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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

Dr. Stephen Seongeun Koh M.d., Ph.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 ID2961674387
PECOS Enrollment IDI20111007000216
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 92806 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.

STEPHEN WAYNE LEONG
Technician, Other
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-7570
DWIGHT MARSHALL TAN VILLANUEVA RRT
Respiratory Therapist, Registered
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-2000
HALEY MARTIN
Nurse Anesthetist, Certified Registered
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (317) 644-9054
DR. ANDREW J HWANG M. D.
Radiology (Diagnostic Radiology)
3440 E LA PALMA AVE, AMC DEPARTMENT OF RADIOLOGY
ANAHEIM, CA 92806
Orange County (714) 644-2000
KRYSTYN PARKS RD
Dietitian, Registered
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-6750
LISA ANSALDO THEOS RRT-NPS
Technician, Other
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-7570
SMRITI SHRESTHA THEBE
Nurse Practitioner
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-6650
MRS. LAURA ANNE FISCHER MS, RD
Dietitian, Registered
3440 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-6734

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 Stephen Koh's NPI number?

The NPI number for Stephen Koh is 1003057316. It was assigned to this individual provider in the NPPES registry on March 16, 2009.

Where is Stephen Koh located?

Stephen Koh practices at 3440 E La Palma Ave Kaiser Anaheim, Dept Of Pathology, Anaheim, CA 92806. The listed phone number is (714) 644-6160.

What is Stephen Koh's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Stephen Koh enrolled in Medicare?

Yes. Stephen Koh 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 Stephen Koh was last updated on February 10, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.