Physician Profile
Based in Stanford, CA, Bertha H. Chen, MD is listed in the NPI registry under obstetrics & gynecology. Bertha graduated from Stanford University School of Medicine in 1991. Bertha is also listed as specializing in gynecology. Medicare claims data shows Bertha provided 189 services to 162 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, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
300 PASTEUR DR
Stanford, CA 94305
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.
Most searched conditions
Infections and vulvovaginal conditions
Menstrual and hormonal
Pelvic pain and benign gynecology
Pregnancy
Cancer and precancer
Contraception
Fertility
Infections
Pregnancy Complications
Vaginal & Vulvar Health
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
189 services · 162 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Fitting and insertion of vaginal support device | Procedure | 57160 |
16 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
65 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
35 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
23 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
22 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
14 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chen is an OB-GYN in Stanford, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Dr. Chen is listed at 300 Pasteur Dr, Stanford, CA 94305. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (650) 498-5391. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Chen's National Provider Identifier is 1023151115. 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
Dr. Chen attended Stanford University School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chen has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chen performs procedures including fitting and insertion of vaginal support device, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.