WL
21 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Lock, Obstetrician / Gynecologist (OBGYN) in San Mateo, CA?
Dr. William Lock, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in San Mateo, CA with 1 additional practice location. He has been practicing for over 21 years. Dr. Lock graduated from Sidney Kimmel Medical College at Thomas Jefferson University. Dr. Lock is fluent in English and Spanish, and is currently seeing new patients. Dr. Lock’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lock’s office at (650) 573-2123.
Where did Dr. Lock go to medical school and complete their residency?
Medical School: Thomas Jefferson University Jefferson Medical College | Sidney Kimmel Medical College at Thomas Jefferson University
What languages does Dr. Lock speak?
Dr. Lock and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Lock treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Lock diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Lock. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Third Trimester Prenatal Care
- Second Trimester Prenatal Care
- First Trimester Prenatal Care
- Prenatal Care for Normal Pregnancy
- Prenatal Care
- Late Pregnancy Check-ups
- Routine Third Trimester Care
- Maternity Care (Third Trimester)
- Mid-Pregnancy Check-ups
- Routine Second Trimester Care
- Maternity Care (Second Trimester)
- Late pregnancy care
- Third trimester check-ups
- Antenatal care in late pregnancy
- Early pregnancy care
- First trimester check-ups
- Antenatal care in early pregnancy
- Routine Pregnancy Check-ups
- Maternity Care
- Normal Pregnancy Supervision
- Mid-pregnancy care
- Second trimester check-ups
- Antenatal care in mid-pregnancy
ICD-10 Codes:
- Z3483: Encounter for supervision of other normal pregnancy, third trimester
- Z3482: Encounter for supervision of other normal pregnancy, second trimester
- Z3493: Encounter for supervision of normal pregnancy, unspecified, third trimester
- Z3492: Encounter for supervision of normal pregnancy, unspecified, second trimester
- Z3403: Encounter for supervision of normal first pregnancy, third trimester
- Z3481: Encounter for supervision of other normal pregnancy, first trimester
- Z3490: Encounter for supervision of normal pregnancy, unspecified, unspecified trimester
- Z3491: Encounter for supervision of normal pregnancy, unspecified, first trimester
- Z3402: Encounter for supervision of normal first pregnancy, second trimester
Also known as:
- Birth Control Shot Check-up
- Other Birth Control Counseling
- Birth Control
- Injectable contraceptive follow-up
- Depo-Provera monitoring
- Birth control injection check
- Additional contraceptive advice
- General family planning discussion
- Ongoing birth control counseling
ICD-10 Codes:
- Z3042: Encounter for surveillance of injectable contraceptive
- Z3009: Encounter for other general counseling and advice on contraception
Also known as:
- Positive Pregnancy Test
- Pregnancy
- Confirmed Pregnancy
- Pregnant Result
- Positive HCG Test
ICD-10 Codes:
- Z3201: Encounter for pregnancy test, result positive
Also known as:
- Abnormal Uterine and Vaginal Bleeding
- Vaginal Bleeding
- Unusual Uterine Bleeding
- Abnormal Vaginal Discharge
- AUB
- Irregular Genital Bleeding
ICD-10 Codes:
- N939: Abnormal uterine and vaginal bleeding, unspecified
Also known as:
- Low Transverse C-section Scar in Pregnancy
- Prenatal Care
- Horizontal C-section Scar (Pregnancy)
- Low-lying C-section Scar
- Prior Cesarean Scar (Low Transverse)
ICD-10 Codes:
- O34211: Maternal care for low transverse scar from previous cesarean delivery
Also known as:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
Also known as:
- Uterine and Vaginal Prolapse
- Cervix Disorder
- Pelvic Floor Disorder
- Uterine prolapse
- Vaginal prolapse
- Dropped uterus and vagina
ICD-10 Codes:
- N814: Uterovaginal prolapse, unspecified
Also known as:
- Reduced Fetal Movement
- Baby Moving Less
- Fetal Hypoactivity
- Decreased Baby Kicks
ICD-10 Codes:
- O368130: Decreased fetal movements, third trimester, not applicable or unspecified
Also known as:
- Postmenopausal Bleeding
- Menopause
- Vaginal Bleeding
- Bleeding After Menopause
- Vaginal Bleeding in Menopause
ICD-10 Codes:
- N950: Postmenopausal bleeding
What procedures does Dr. Lock perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. Lock performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Lock. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Uterine Lining Biopsy
- Cervical Biopsy or Lesion Removal
- Biopsy
- Endometrial Biopsy
- Uterine Biopsy
- Cervical Biopsy
- Endocervical Sampling
- Cervix Tissue Sample
- Cervical Lesion Excision
- Cervical Fulguration
- Cervix Biopsy
CPT Codes:
- 58100: Endometrial sampling (biopsy) with or without endocervical sampling (biopsy), without cervical dilation, any method (separate procedure)
- 57500: Biopsy of cervix, single or multiple, or local excision of lesion, with or without fulguration (separate procedure)
Also known as:
- Colposcopy with Cervical Biopsy and Curettage
- Colposcopy
- Cervical Biopsy
- Endocervical Curettage
- Pap Smear Follow-up Procedure
CPT Codes:
- 57454: Colposcopy of the cervix including upper/adjacent vagina; with biopsy(s) of the cervix and endocervical curettage
Also known as:
- IUD Insertion
- Birth Control
- Intrauterine device placement
- IUD placement
- Birth control implant
CPT Codes:
- 58300: Insertion of intrauterine device (IUD)
Also known as:
- IUD Removal
- Birth Control
- Intrauterine device removal
- Take out IUD
- Remove birth control device
- IUD explant
CPT Codes:
- 58301: Removal of intrauterine device (IUD)
Also known as:
- Pessary Insertion
- Vaginal Pessary Placement
- Intravaginal Support Device Fitting
- Pelvic Organ Prolapse Device
CPT Codes:
- 57160: Fitting and insertion of pessary or other intravaginal support device
Also known as:
- Colposcopy with Cervical Biopsy
- Biopsy
- Colposcopy
- Vaginal Colposcopy with Biopsy
- Cervix Biopsy
CPT Codes:
- 57455: Colposcopy of the cervix including upper/adjacent vagina; with biopsy(s) of the cervix
Also known as:
- Hysteroscopy with Biopsy or Polyp Removal
- Biopsy
- Hysteroscopy
- Uterine Scope with Biopsy
- Hysteroscopic Polypectomy
- D&C with Hysteroscopy
CPT Codes:
- 58558: Hysteroscopy, surgical; with sampling (biopsy) of endometrium and/or polypectomy, with or without D & C
Also known as:
- Cervical Cone Biopsy (LEEP)
- LEEP Procedure
- Loop Electrosurgical Excision Procedure
- Cervical Conization
- Cone Biopsy of Cervix
CPT Codes:
- 57522: Conization of cervix, with or without fulguration, with or without dilation and curettage, with or without repair; loop electrode excision
Also known as:
- Vaginal Wall Repair (Front and Back)
- Anteroposterior colporrhaphy
- Cystocele and rectocele repair
- Vaginal prolapse repair
CPT Codes:
- 57260: Combined anteroposterior colporrhaphy, including cystourethroscopy, when performed;
Also known as:
- Drug Delivery Implant Insertion
- Medication Implant Placement
- Bioresorbable Drug Implant
- Contraceptive Implant Insertion
CPT Codes:
- 11981: Insertion, drug-delivery implant (ie, bioresorbable, biodegradable, non-biodegradable)
Also known as:
- Removal of Non-Biodegradable Drug Implant
- Drug Delivery Device Removal
- Permanent Drug Implant Explant
- Non-Dissolving Implant Removal
CPT Codes:
- 11982: Removal, non-biodegradable drug delivery implant
Also known as:
- Fetal Non-Stress Test
- Nonstress Test
- Nonstress Test (NST)
- Fetal Heart Rate Monitoring
- NST for Pregnancy
- Baby Heartbeat Test
CPT Codes:
- 59025: Fetal non-stress test
Also known as:
- Simple Bladder Pressure Test
- Cystometrogram
- CMG Test
- Bladder Function Study
CPT Codes:
- 51725: Simple cystometrogram (CMG) (eg, spinal manometer)
Does Dr. Lock accept my insurance?
Dr. Lock accepts most major insurance plans. Important: Please call our office at (650) 573-2123 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Lock accept in San Mateo, CA?
Dr. Lock in San Mateo, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alameda Alliance
All Other Third Party
Crown Cork and Seal Company
Health Plan of San Mateo
Kaiser Permanente
Medicaid
Medicare
Santa Clara Family Health Plan
State of California
Valley Health Plan
View All Insurances
Where is Dr. Lock's office located?
What is Dr. Lock's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Lock's National Provider Identifier (NPI) number is 1770656753.
What common questions do patients ask about Dr. Lock?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Lock
What is Dr. William Lock's specialty?
Dr. Lock is a Obstetrician / Gynecologist (OBGYN) near San Mateo, CA. An obstetrician/gynecologist has specialized knowledge, skills, and expertise in the medical and surgical management of the female reproductive system and related disorders. This physician acts as a consultant to other healthcare providers while also serving as a primary care physician for women, addressing their unique health needs throughout various stages of life. Contact Dr. Lock to book an appointment today.
Is this Dr. William Lock affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Lock is affiliated with San Mateo Medical Center, Stanford Health Care - Stanford Hospital, San Mateo Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Obstetrician / Gynecologist (OBGYN)?
Explore Obstetrician / Gynecologist (OBGYN) with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is William Lock accepting new patients in San Mateo, CA?
Yes, Dr. William Lock is accepting new patients at this time.
Does Dr. William Lock offer online booking?
Please contact Dr. Lock's office at (650) 573-2123 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Lock?
Please contact Dr. Lock's office at (650) 573-2123 for information regarding telehealth appointment availability or for scheduling assistance.
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