Doctor profile · Federal record
Dr. Janine Senior, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Specialist · Walnut Creek, CA
- NPI 1154321503
- Accepts Medicare
- MIPS 93.9 / 100 · 2023
- 38 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
112 la Casa Via Ste 300
Walnut Creek, CA 945983059
(925) 239-0012
fax (925) 239-0011
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- February 27, 2025
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- California #G74576
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154321503. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
443
Distinct HCPCS
7
Medicare allowed
$26,491
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
82270 |
Stool analysis for blood to screen for colon tumors | 115 | 115 | $4 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 98 | 98 | $48 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 73 | 73 | $56 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 63 | 50 | $109 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 47 | 46 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 25 | 24 | $149 | |
76830 |
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 22 | 18 | $153 |
In context: peer comparison
Among 6 peers in Walnut Creek Obstetrics & Gynecology Physician, average services per provider: 54. This provider delivers 8.2× the peer median.Open Payments
Industry payments received
All-time total
$463
Transactions
18
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US INC | 5 | $195.08 | |
| Biogen, INC. | 3 | $59.38 | |
| Exact Sciences Corporation | 2 | $51.32 | |
| Evofem Biosciences, INC. | 3 | $48.27 | |
| Abbvie INC. | 1 | $28.98 | |
| Sumitomo Pharma America, INC. | 1 | $22.59 | |
| CooperSurgical, INC. | 1 | $20.60 | |
| Hologic Sales and Service, LLC | 1 | $19.28 | |
| Pfizer INC. | 1 | $17.44 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
402
Patients
117
Total drug cost
$51,035
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 152 | 67 | $11,335 |
| Progesterone (Progesterone, Micronized) | Brand | 58 | 25 | $1,725 |
| Estradiol (Twice Weekly) (Estradiol) | Brand | 30 | 13 | $5,517 |
| Medroxyprogesterone Acetate | Generic | 30 | 0 | $142 |
| Premarin (Estrogens, Conjugated) | Brand | 25 | 0 | $14,187 |
| Fluocinolone Acetonide | Generic | 21 | 12 | $1,134 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 16 | 0 | $770 |
| Femring (Estradiol Acetate) | Brand | 14 | 0 | $10,699 |
| Yuvafem (Estradiol) | Brand | 12 | 0 | $2,957 |
| Dotti (Estradiol) | Brand | 11 | 0 | $1,804 |
Hospital affiliations
Frequently asked questions
What is Dr. Janine Senior's medical specialty?
Dr. Janine Senior practices Obstetrics & Gynecology Physician in Walnut Creek, CA.
Where does Dr. Janine Senior practice?
Dr. Janine Senior practices at 112 la Casa Via Ste 300, Walnut Creek, CA 945983059. Office phone: 9252390012.
What is Dr. Janine Senior's NPI?
Dr. Janine Senior's National Provider Identifier (NPI) is 1154321503, issued by NPPES.
Does Dr. Janine Senior accept Medicare assignment?
Yes. Dr. Janine Senior accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Janine Senior commonly perform?
Top Medicare-reported procedures in 2023: Stool analysis for blood to screen for colon tumors (HCPCS 82270); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.