Gordon Gunn, MD
NPI 1194829184 · Gynecology Physician · Fullerton, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gordon Gunn, MD is a Gynecology Physician provider in Fullerton, CA (NPI 1194829184).
Provider details
- NPI number
- 1194829184
- Entity type
- Individual
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C27175 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
576 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 273 | $194 |
| Complete Ultrasound Scan of Abdomen76700 | 60 | $131 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 58 | $217 |
| Colorectal Cancer Screening; Fecal Occult Blood Test, Immunoassay, 1-3 SimultaneousG0328 | 47 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $138 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ezetimibe | 166 | 46 |
| Rosuvastatin Calcium | 154 | 42 |
| Levothyroxine Sodium | 100 | 26 |
| Empagliflozinbrand: Jardiance | 80 | 13 |
| Progesterone, Micronizedbrand: Progesterone | 73 | 17 |
| Estradiol | 58 | 19 |
| Atorvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-11
- Last updated
- 2013-03-21
Frequently asked questions
- What is Gordon Gunn's NPI number?
- Gordon Gunn's National Provider Identifier (NPI) is 1194829184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gordon Gunn's specialty?
- Gordon Gunn is listed in the NPPES registry with a primary specialty of Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Gordon Gunn located?
- Gordon Gunn's practice location on file with NPPES is 100 E Valencia Mesa Dr, Fullerton, CA 92835-3813.
- What is Gordon Gunn's phone number?
- The practice phone number listed in the NPPES registry for Gordon Gunn is (714) 912-2211.
- Does Gordon Gunn accept Medicare?
- Gordon Gunn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gordon Gunn's NPI active?
- Yes — Gordon Gunn's NPI (1194829184) is active in the NPPES registry as of the last update on 2013-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.