Physician Profile
Annmarie T. Nguyen, MD
Unclaimed ProfileAbout Dr. Nguyen
Based in Garden Grove, CA, Annmarie T. Nguyen, MD is listed in the NPI registry under obstetrics/gynecology. Annmarie graduated from Hahnemann University College of Medicine in 1989. Annmarie is also listed as specializing in clinic / center. According to Medicare claims data, Annmarie cared for 64 Medicare patients across 113 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. NPI 1083628036 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
- (714) 539-5225
- Email not available
Practice Locations
12665 GARDEN GROVE BLVD SUITE 611
Garden Grove, CA 92843
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
- Bacterial vaginosis
- Genital herpes
- Genital warts
- Vulvodynia
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
- C-section
- Hysterectomy
- IUD insertion
- Pap smear
- Ultrasound
Contraception and office treatment
- Contraceptive implant insertion and removal
- Diaphragm fitting
- Pessary fitting and management
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
- Pelvic organ prolapse surgery
- Sling surgery for stress incontinence
Postpartum Care
- Postpartum Checkup
Pregnancy & Prenatal
- Fetal Heart Rate Monitoring
- Prenatal genetic screening
Preventive Care
- Well-woman exam
Preventive Screening
Routine Exams
- Pelvic exam
Surgeries
- Endometriosis Excision Surgery
- Labia Reduction
- Tubal Ligation ("Tubes Tied")
Uterine and cervical procedures
- Cervical cone biopsy
- Dilation and curettage
- Endometrial ablation
- Hysteroscopy
- LEEP
- Myomectomy
Procedures Most Often Billed to Medicare
113 services · 64 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
51 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
38 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
24 |
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 Garden Grove 5
Same specialty, same city.
Trained at Hahnemann University College 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 1989 at Hahnemann University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Nguyen specialize in?
Dr. Nguyen is an obstetrics/gynecology in Garden Grove, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Nguyen located?
Dr. Nguyen is listed at 12665 Garden Grove Blvd Suite 611, Garden Grove, CA 92843. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Nguyen's phone number?
The number on file is (714) 539-5225. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Nguyen's NPI number?
Dr. Nguyen's National Provider Identifier is 1083628036. 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. Nguyen go to medical school?
Dr. Nguyen attended Hahnemann University College of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Nguyen been practicing?
Dr. Nguyen has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Nguyen do most often?
According to Medicare billing data, Dr. Nguyen 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. Nguyen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.