Obstetrics & Gynecology · Santa Monica, CA
NPI
1952440562
Since 2007
Specialty
Obstetrics & Gynecology
Code 207V00000X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
2121 Wilshire Blvd, Suite 303
Santa Monica, CA, 90403
Phone (310) 264-1777
Groups this clinician bills Medicare through
Medicare paid, 2024
$70K
649 services
Medicare patients, 2024
483
Average age 72
Drug cost, 2024
$136K
1,056 prescriptions
Company payments, 2025
$283
From 4 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Allison M Leong was code 99215 (office e&m - established), 426 times for 397 patients. In total Allison M Leong billed 649 services in 19 codes, and Medicare paid $70K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-07-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99215 Office E&M - Established | Office | 426 | 397 | $114.59 | $49K |
| 99213 Office E&M - Established | Office | 66 | 62 | $59.70 | $3,940 |
| 99205 Office E&M - New | Office | 44 | 44 | $142.17 | $6,256 |
| 99214 Office E&M - Established | Office | 33 | 29 | $83.63 | $2,760 |
| 99211 Office E&M - Established | Office | 22 | 18 | $17.28 | $380 |
| 99204 Office E&M - New | Office | 14 | 14 | $105.35 | $1,475 |
| 99212 Office E&M - Established | Office | 13 | 12 | $36.09 | $469 |
By year: 2022 $92K for 755 services; 2023 $75K for 613 services; 2024 $70K for 649 services.
Medicare prescription drug claims, 2024
In 2024, the drug Allison M Leong prescribed most often to Medicare patients was Estradiol, with 291 prescriptions and refills. In total Allison M Leong wrote 1,056 Medicare prescriptions that cost $136K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Estradiol Generic | 291 | 659 | 105 | $23K |
| Progesterone Progesterone, Micronized | 177 | 411 | 56 | $5,253 |
| Estradiol (Twice Weekly) Estradiol | 134 | 273 | 35 | $12K |
| Yuvafem Estradiol | 67 | 158 | 20 | $13K |
| Estradiol-Norethindrone Acetat Estradiol/Norethindrone Acet | 55 | 118 | 12 | $4,812 |
| Valacyclovir Valacyclovir Hcl | 50 | 96 | 16 | $1,635 |
| Premarin Estrogens, Conjugated | 35 | 74 | 12 | $15K |
| Dotti Estradiol | 24 | 60 | 11 | $2,854 |
| Estring Estradiol | 22 | 66 | Under 11 | $11K |
| Femring Estradiol Acetate | 19 | 55 | Under 11 | $14K |
| Nitrofurantoin Mono-Macro Nitrofurantoin Monohyd/M-Cryst | 17 | 17 | 13 | $126 |
| Fluconazole Generic | 16 | 16 | 11 | $52.9 |
| Imvexxy Estradiol | 11 | 29 | Under 11 | $6,069 |
| Combipatch Estradiol/Norethindrone Acet | 11 | 27 | Under 11 | $6,487 |
Brand drugs: 216 claims; generic drugs: 840 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Allison M Leong $283 ($283 in general payments such as food, travel and fees) from 4 companies. The largest payer was Mayne Pharma Commercial LLC with $130.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.