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Edit this profileAt a glance
- 26800 Crown Valley Pkwy, Suite 525, Mission Viejo, CA 92691
About Dr. Bailey
Thomas S. Bailey, MD is a healthcare provider in Mission Viejo, CA specializing in obstetrics/gynecology. Thomas trained at University of Arizona College of Medicine, graduating in 1971. Thomas is also listed as specializing in obstetrics & gynecology. According to Medicare claims data, Thomas cared for 101 Medicare patients across 109 services. The services billed most often include established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, cervical or vaginal cancer screening; pelvic and clinical breast examination, and screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory. This provider record is associated with NPI 1598714818.
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
- (949) 364-1040
- Email not available
Practice Locations
26800 CROWN VALLEY PKWY SUITE 525
Mission Viejo, CA 92691
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
109 services · 101 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
47 | More often than most peers in Obstetrics/Gynecology |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
32 | As often as other peers in Obstetrics/Gynecology |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
30 | More 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 4
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 Mission Viejo 4
Same specialty, same city.
More connections — 10 related providers in 2 groups
Trained at University of Arizona College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1971 at University of Arizona College of Medicine 2
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Bailey specialize in?
Dr. Bailey is an obstetrics/gynecology in Mission Viejo, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Bailey located?
Dr. Bailey is listed at 26800 Crown Valley Pkwy Suite 525, Mission Viejo, CA 92691. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Bailey's phone number?
The number on file is (949) 364-1040. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Bailey's NPI number?
Dr. Bailey's National Provider Identifier is 1598714818. 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. Bailey go to medical school?
Dr. Bailey attended University of Arizona College of Medicine, graduating in 1971. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Bailey been practicing?
Dr. Bailey has 55 years experience. Calculated from a graduation year of 1971, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Bailey do most often?
According to Medicare billing data, Dr. Bailey 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. Bailey confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Bailey. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.