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DR. GORDON COLIN GUNN MD
NPI 1194829184
Obstetrics & Gynecology - Gynecology in Fullerton, CA

Active since September 11, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 05D2061887 · Waiver
100 E VALENCIA MESA DR, SUITE # 215, FULLERTON, CA 92835(714) 912-2211(714) 213-8750 Get Directions Write a Review

NPPES record last updated: March 21, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Gordon Colin Gunn Md NPPES

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

DR. GORDON COLIN GUNN MD (NPI 1194829184) is an individual gynecology provider in Fullerton, California, licensed in California (C27175) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through July 7, 2027, and is a graduate of Baylor College Of Medicine (1964).

NPPES Registry Identity

NPI1194829184
Entity TypeIndividualMale
Primary Taxonomy207VG0400X
Provider Legal NameDR. GORDON COLIN GUNNCredential: MD
Location Address100 E VALENCIA MESA DR, SUITE # 215Fullerton, CA 92835-3813
Mailing Address100 E Valencia Mesa Dr, Suite # 215Fullerton, CA 92835-3813 · (714) 912-2211 · Fax (714) 213-8750
Phone(714) 912-2211
Fax(714) 213-8750
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 1964
Enumeration DateSeptember 11, 2006
Last NPPES UpdateMarch 21, 2013
✔ NPI 1194829184 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
License✔ Licensed in CA · C27175
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
100 E VALENCIA MESA DR, Fullerton, CA 92835
Open in Google Maps ↗

Other Identifiers 4

Medicaid00C271750CA
Medicare PINWC27175CCA
OtherWC27175CCA · Medicare Ptan
Medicare UPINA33296

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. Gordon Colin Gunn Md 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 ID2567350044
PECOS Enrollment IDI20110513000679
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2061887

Gordon Gunn, M.D., Inc. · Fullerton, CA
Active · expires Jul 7, 2027
CLIA Number05D2061887
Laboratory TypePhysician Office
Certificate Effective DateJuly 8, 2025
Certificate Expiration DateJuly 7, 2027
Laboratory DirectorGunn I. Gordon, MD
Laboratory Phone(714) 912-2211
Laboratory LocationGordon Gunn, M.D., Inc.100 E. Valencia Mesa Drive, Ste. 215, Fullerton, CA 92835
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 9

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
273 services81 patients
Complete ultrasound scan of abdomen 76700
A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.
60 services58 patients
Ultrasound of both sides of head and neck blood flow 93880
An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.
58 services57 patients
Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous G0328
A fecal occult blood test is a screening tool for colorectal cancer. It checks for tiny amounts of blood in your stool that can't be seen with the naked eye. The immunoassay method can test 1-3 samples at once. This helps detect cancer early, when treatment is most effective.
47 services47 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
43 services30 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
28 services28 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
$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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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.

ANDREW TIEN DUKE M.D.
Internal Medicine (Critical Care Medicine)
100 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 992-3969
BOWEN JIANG M.D.
Neurological Surgery
100 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 734-3120
CHIKA KAWASHIMA
Physician Assistant
100 E VALENCIA MESA DR, SUITE 310
FULLERTON, CA 92835
Orange County (714) 446-5527
MONICA MARTYN RD
Dietitian, Registered
100 E VALENCIA MESA DR, SUITE 111
FULLERTON, CA 92835
Orange County (714) 446-5369
BENJAMIN ROTHMAN A PHARMACY CORPORATION
Pharmacy (Community/Retail Pharmacy)
100 E VALENCIA MESA DR, SUITE 106
FULLERTON, CA 92835
Orange County (714) 992-1234
EUGENE BYUN MD
Internal Medicine (Interventional Cardiology)
100 E VALENCIA MESA DR, SUITE 206
FULLERTON, CA 92835
Orange County (714) 446-5050
RENEE M. SODERQUIST RD
Dietitian, Registered
100 E VALENCIA MESA DR, SUITE 105
FULLERTON, CA 92835
Orange County (714) 446-5640
DENNIS WAYNE BRILEY PA
Physician Assistant (Surgical)
100 E VALENCIA MESA DR, SUITE 105
FULLERTON, CA 92835
Orange County (714) 446-5200

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 Gordon Gunn's NPI number?

The NPI number for Gordon Gunn is 1194829184. It was assigned to this individual provider in the NPPES registry on September 11, 2006.

Where is Gordon Gunn located?

Gordon Gunn practices at 100 E Valencia Mesa Dr Suite # 215, Fullerton, CA 92835. The listed phone number is (714) 912-2211.

What is Gordon Gunn's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Is Gordon Gunn enrolled in Medicare?

Yes. Gordon Gunn 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.

Does Gordon Gunn hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2061887) is associated with this NPI, valid through July 7, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Gordon Gunn was last updated on March 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.