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Edit this profileAt a glance
- 1045 W Redondo Beach Blvd, #500, Gardena, CA 90247
About Dr. Allen
Based in Gardena, CA, Gwen M. Allen, M.D. is listed in the NPI registry under obstetrics & gynecology. Gwen graduated from University of California, Geffen School of Medicine in 1994. Medicare claims data shows Gwen provided 93 services to 32 patients. 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. NPI 1306942909 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
- (310) 329-9492
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1045 W REDONDO BEACH BLVD #500
Gardena, CA 90247
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
Contraception
- Birth Control Side Effects
Fertility
- Recurrent Miscarriages
- Infertility
High-risk or subspecialty
- Heart disease complicating pregnancy
- Placenta accreta spectrum
- Suspected fetal anomaly
Infections
- Pelvic Inflammatory Disease (PID)
- Chlamydia
Pelvic pain and benign gynecology
- Uterine fibroids
- Chronic pelvic pain
- Ovarian cysts
- Painful intercourse
- Pelvic organ prolapse
- Urinary incontinence in women
Most searched conditions
- Endometriosis
- Heavy periods
- Menopause
- PCOS
- Pregnancy
- Yeast infection
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
Pregnancy Complications
- High-risk pregnancy
- Twins or triplets
Vaginal & Vulvar Health
- Abnormal vaginal discharge
Procedures & services
Diagnostic Tests
Hormone & Menopause
- Hormone Replacement Therapy (HRT) Consultation
Laparoscopic and adnexal surgery
- Ovary removal
- Surgical treatment of endometriosis
- Gynecologic laparoscopy
- Ovarian cyst removal
Pelvic floor
- Sling surgery for stress incontinence
- Pelvic organ prolapse surgery
Pregnancy and delivery
- Forceps- or vacuum-assisted delivery
- Vaginal childbirth
- External cephalic version
- Prenatal care
Preventive and diagnostic
- Pelvic examination
- Transvaginal ultrasound
- Well-woman examination
- Colposcopy
- Endometrial biopsy
- Human papillomavirus testing
Subspecialty procedures
- Gynecologic cancer staging surgery
Surgeries
- Labia Reduction
- Tubal Ligation ("Tubes Tied")
- Endometriosis Excision Surgery
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
Birth Control
Contraception
Diagnostic Procedures
- Amniocentesis
Fertility
- Egg freezing
- Intrauterine Insemination (IUI)
Postpartum Care
- Postpartum Checkup
Pregnancy & Prenatal
- Fetal Heart Rate Monitoring
- Prenatal genetic screening
Preventive Care
Preventive Screening
- STI Screening Panel
Routine Exams
- Pelvic exam
Uterine and cervical procedures
- Cervical cone biopsy
- Dilation and curettage
- Endometrial ablation
- Hysteroscopy
- LEEP
- Myomectomy
Procedures Most Often Billed to Medicare
93 services · 32 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
93 | More often than most peers in OB-GYN |
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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 16 related providers in 2 groups
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Gwen M. Allen specialize in?
Gwen M. Allen is an OB-GYN in Gardena, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Where is Gwen M. Allen located?
Gwen M. Allen is listed at 1045 W Redondo Beach Blvd #500, Gardena, CA 90247. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gwen M. Allen's phone number?
The number on file is (310) 329-9492. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Gwen M. Allen?
Gwen M. Allen's National Provider Identifier is 1306942909. 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 Gwen M. Allen train?
Gwen M. Allen attended University of California, Geffen School of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gwen M. Allen have?
Gwen M. Allen has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Gwen M. Allen do most often?
According to Medicare billing data, Gwen M. Allen 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 Gwen M. Allen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gwen M. Allen. If this is you, claiming it is free.
Guide.md
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