Doctor profile · Federal record
Dr. DENNIS BUCHANAN, MD
Obstetrics & Gynecology Physician (CMS: OBSTETRICS/GYNECOLOGY) · FULLERTON, CA
- NPI 1003864737
- Accepts Medicare
- 47 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
101 LAGUNA RD STE 100
FULLERTON, CA 928353601
(714) 992-5350
fax (714) 992-8156
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- October 15, 2021
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- California #G42457
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003864737. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
48
Distinct HCPCS
2
Medicare allowed
$3,004
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 31 | 31 | $43 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 16 | $99 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 23. This provider delivers 2.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
197
Patients
38
Total drug cost
$20,316
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 68 | 26 | $1,473 |
| Fluconazole | Generic | 22 | 0 | $42 |
| Premarin (Estrogens, Conjugated) | Brand | 18 | 0 | $8,192 |
| Prempro (Estrogen,con/M-Progest Acet) | Brand | 18 | 0 | $6,681 |
| Estradiol (Twice Weekly) (Estradiol) | Brand | 17 | 0 | $2,613 |
| Clobetasol Propionate | Generic | 15 | 12 | $464 |
| Medroxyprogesterone Acetate | Generic | 15 | 0 | $170 |
| Alendronate Sodium | Generic | 12 | 0 | $185 |
| Progesterone (Progesterone, Micronized) | Brand | 12 | 0 | $496 |