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KARL FENG MD
NPI 1306875190
Emergency Medicine in Fullerton, CA

Active since July 02, 2006PECOS Enrolled
84.95/100
CMS Quality Rating
101 E VALENCIA MESA DR, EM DEPT, FULLERTON, CA 92835(714) 992-3965 Get Directions Write a Review

NPPES record last updated: September 18, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Karl Feng Md NPPES

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

KARL FENG MD (NPI 1306875190) is an individual emergency medicine provider in Fullerton, California, licensed in California (A72088) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306875190
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameKARL FENGCredential: MD
Location Address101 E VALENCIA MESA DR, EM DEPTFullerton, CA 92835-3809
Mailing Address4401 W Memorial Rd, Suite 121Oklahoma City, OK 73134-1785 · (405) 751-4664 · Fax (405) 749-4561
Phone(714) 992-3965
Sole ProprietorNo
Enumeration DateJuly 2, 2006
Last NPPES UpdateSeptember 18, 2009
✔ NPI 1306875190 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 · A72088
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.
101 E VALENCIA MESA DR, Fullerton, CA 92835
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Other Identifiers 7

Medicare PINWA72088ACA
Medicare PINP00015632CA
Medicaid00A720880CA
Other00A720880CA · Blue Shield
OtherA72088CA · Athem Blue Cross
Medicare UPINH02232
Medicare PINHA72088BCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karl Feng Md 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.

Areas of Expertise CMS Part B claims 5

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.
282 services277 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.
264 services256 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.
236 services229 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.
85 services84 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92835 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.

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.

84.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.53
Improvement Activities40

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.

PIUS J. KIM M.D.
Internal Medicine
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 447-5027
PARAM WALIA MD NEUROSCIENCES SERVICES CORPORATION
Neurological Surgery
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 446-5830
JOHN BYRON MACCARTHY MD
Anesthesiology
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 871-3280
GLORIA LYNN FRANKLIN NP MSN
Nurse Practitioner (Family)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (909) 717-9589
DR. MARTIN JOSEPH BREEN JR. PHARM.D.
Pharmacist (Pharmacotherapy)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 992-3143
NELSON IVAN AGUINAGA RN, FNP
Nurse Practitioner (Family)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 871-3280
DR. JONATHON AHN MD
Anesthesiology
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 871-3280
MR. DANIEL BENJAMIN GRAVILONI RCP
Respiratory Therapist, Registered (Neonatal/Pediatrics)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 992-3000

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 Karl Feng's NPI number?

The NPI number for Karl Feng is 1306875190. It was assigned to this individual provider in the NPPES registry on July 2, 2006.

Where is Karl Feng located?

Karl Feng practices at 101 E Valencia Mesa Dr Em Dept, Fullerton, CA 92835. The listed phone number is (714) 992-3965.

What is Karl Feng's specialty?

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

Is Karl Feng enrolled in Medicare?

Yes. Karl Feng is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karl Feng was last updated on September 18, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.