Physician Profile
Gregg A. Shimomura, MD
Unclaimed ProfileAbout Dr. Shimomura
Gregg A. Shimomura, MD practices obstetrics/gynecology in Aiea, HI. Gregg is a 1986 graduate of University of Hawaii John A. Burns School of Medicine. Gregg is also listed as specializing in obstetrics & gynecology. Medicare claims data shows Gregg provided 382 services to 321 patients. 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, cervical or vaginal cancer screening; pelvic and clinical breast examination, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. The provider's National Provider Identifier (NPI) is 1538280367.
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
- (808) 487-2497
- Email not available
Practice Locations
99 128 AIEA HEIGHTS DRIVE SUITE 504
Aiea, HI 96701
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
- Birth Control Side Effects
Fertility
- Infertility
- Recurrent Miscarriages
Infections
- Chlamydia
- Pelvic Inflammatory Disease (PID)
Pregnancy Complications
- High-risk pregnancy
- Twins or triplets
Vaginal & Vulvar Health
Procedures & services
Most searched procedures
Contraception and office treatment
Pregnancy and delivery
- External cephalic version
- Forceps- or vacuum-assisted delivery
- Prenatal care
- Vaginal childbirth
Preventive and diagnostic
Birth Control
Contraception
Diagnostic Procedures
- Amniocentesis
Fertility
- Egg freezing
- Intrauterine Insemination (IUI)
Hormone & Menopause
- Hormone Replacement Therapy (HRT) Consultation
Laparoscopic and adnexal surgery
- Gynecologic laparoscopy
- Ovarian cyst removal
- Ovary removal
Pelvic floor
Postpartum Care
Pregnancy & Prenatal
- Fetal Heart Rate Monitoring
- Prenatal genetic screening
Preventive Care
Preventive Screening
Routine Exams
Surgeries
- Endometriosis Excision Surgery
- Labia Reduction
- Tubal Ligation ("Tubes Tied")
Uterine and cervical procedures
Procedures Most Often Billed to Medicare
382 services · 321 patients · 3 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 |
237 | More than most peers in Obstetrics/Gynecology |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
97 | More than most peers in Obstetrics/Gynecology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
48 | 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.
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 Aiea 6
Same specialty, same city.
Trained at University of Hawaii John A. Burns School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1986 at University of Hawaii John A. Burns School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Shimomura specialize in?
Dr. Shimomura is an obstetrics/gynecology in Aiea, HI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Shimomura located?
Dr. Shimomura is listed at 99 128 Aiea Heights Drive Suite 504, Aiea, HI 96701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Shimomura's phone number?
The number on file is (808) 487-2497. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Shimomura?
Dr. Shimomura's National Provider Identifier is 1538280367. 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. Shimomura go to medical school?
Dr. Shimomura attended University of Hawaii John A. Burns School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Shimomura have?
Dr. Shimomura has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Shimomura do most often?
According to Medicare billing data, Dr. Shimomura 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
Is Dr. Shimomura's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Shimomura. If this is you, claiming it is free.
Guide.md
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