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Edit this profileAt a glance
- 18406 Roscoe Blvd Ste A, Northridge, CA 91325
About Dr. Chang
Based in Northridge, CA, Lisbeth HONG HUI Chang, MD is listed in the NPI registry under obstetrics & gynecology. Lisbeth graduated from Columbia University College of Physicians and Surgeons in 1998. Medicare claims data shows Lisbeth provided 1,629 services to 417 patients. The services billed most often include injection, denosumab, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and cervical or vaginal cancer screening; pelvic and clinical breast examination. NPI 1861551541 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
- (818) 700-5678
- Email not available
Practice Locations
18406 ROSCOE BLVD STE A
Northridge, CA 91325
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
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
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
1,629 services · 417 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of lining of uterus | Procedure | 58100 |
11 | Less often than most peers in OB-GYN |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
20 | Less often than most peers in OB-GYN |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,200 | Less often than most peers in OB-GYN |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
106 | More often than most peers in OB-GYN |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
103 | More than most peers in OB-GYN |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
99 | More often than most peers in OB-GYN |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
47 | More often than most peers in OB-GYN |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
17 | As often as other peers in OB-GYN |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
14 | Less often than most peers in OB-GYN |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
12 | Less 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.
Other OB-GYNs at this location 2
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 OB-GYNs in Northridge 2
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Columbia University College of Physicians and Surgeons 7
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of lining of uterus 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Chang specialize in?
Dr. Chang is an OB-GYN in Northridge, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Where is Dr. Chang located?
Dr. Chang is listed at 18406 Roscoe Blvd Ste A, Northridge, CA 91325. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chang's phone number?
The number on file is (818) 700-5678. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Chang?
Dr. Chang's National Provider Identifier is 1861551541. 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. Chang go to medical school?
Dr. Chang attended Columbia University College of Physicians and Surgeons, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chang have?
Dr. Chang has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chang do most often?
According to Medicare billing data, Dr. Chang performs procedures including biopsy of lining of uterus; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.
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