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- 4860 Y St Ste 2500, Sacramento, CA 95817
About Dr. Breen
Based in Sacramento, CA, Alison S. Breen, MD is listed in the NPI registry under obstetrics/gynecology. Alison graduated from University of California, Davis School of Medicine in 2009. Alison is also listed as specializing in obstetrics & gynecology. According to Medicare claims data, Alison cared for 27 Medicare patients across 31 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and pelvic exam. NPI 1942434238 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (916) 734-6978
- Email not available
Practice Locations
4860 Y ST STE 2500
Sacramento, CA 95817
Conditions Commonly Evaluated or Treated
Within Obstetrics and Gynecology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Pelvic pain and benign gynecology
- Uterine fibroids
- Chronic pelvic pain
- Ovarian cysts
- Painful intercourse
- Pelvic organ prolapse
- Urinary incontinence in women
Most searched conditions
Infections and vulvovaginal conditions
Menstrual and hormonal
- Absent periods
- Genitourinary syndrome of menopause
- Painful periods
- Perimenopause
- Premenstrual syndrome
Pregnancy
- Ectopic pregnancy
- Gestational diabetes
- Hyperemesis gravidarum
- Miscarriage
- Placenta previa
- Postpartum depression
- Preeclampsia
- Preterm labor
Cancer and precancer
- Abnormal cervical cells and cervical dysplasia
- Cervical cancer
- Endometrial cancer
- Endometrial hyperplasia
- Ovarian cancer
Contraception
Fertility
Infections
Pregnancy Complications
Vaginal & Vulvar Health
Procedures & services
Most searched procedures
Contraception and office treatment
Pregnancy and delivery
Preventive and diagnostic
Birth Control
Contraception
Diagnostic Procedures
Fertility
Hormone & Menopause
Laparoscopic and adnexal surgery
Pelvic floor
Postpartum Care
Pregnancy & Prenatal
Preventive Care
Preventive Screening
Routine Exams
Surgeries
Uterine and cervical procedures
Procedures Most Often Billed to Medicare
31 services · 27 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
18 | Less often than most peers in Obstetrics/Gynecology |
| Pelvic exam | Office visit | 99459 |
13 | Less often than most peers in Obstetrics/Gynecology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other obstetrics/gynecology specialists at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other obstetrics/gynecology specialists in Sacramento 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of California, Davis School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at University of California, Davis School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Breen specialize in?
Dr. Breen is an obstetrics/gynecology in Sacramento, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Breen located?
Dr. Breen is listed at 4860 Y St Ste 2500, Sacramento, CA 95817. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Breen's phone number?
The number on file is (916) 734-6978. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Breen's NPI number?
Dr. Breen's National Provider Identifier is 1942434238. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Breen go to medical school?
Dr. Breen attended University of California, Davis School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Breen been practicing?
Dr. Breen has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Breen do most often?
According to Medicare billing data, Dr. Breen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Breen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Breen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.