Physician Profile
Gillian Mackay, M.D.
Unclaimed ProfileAbout Dr. Mackay
Based in La Jolla, CA, Gillian Mackay, M.D. is listed in the NPI registry under obstetrics & gynecology. According to Medicare claims data, the services billed most often include new patient office or other outpatient visit with low level of medical 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.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (800) 926-8273
- Email not available
Practice Locations
8910 VILLA LA JOLLA DR
La Jolla, CA 92037
1200 Garden View Rd
Encinitas, CA 92024
4168 Front St
San Diego, CA 92103
16950 Via Tazon
San Diego, CA 92127
9300 Campus Point Dr
La Jolla, CA 92037
6030 Village Way Ste 200
San Diego, CA 92130
3750 Convoy St Ste 312
San Diego, CA 92111
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
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
Pelvic pain and benign gynecology
- Chronic pelvic pain
- Ovarian cysts
- Painful intercourse
- Pelvic organ prolapse
- Urinary incontinence in women
- Uterine fibroids
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
- Abnormal vaginal discharge
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
- Colposcopy
- Endometrial biopsy
- Human papillomavirus testing
Birth Control
- IUD Removal
Contraception
- Birth control counseling
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
- STI Screening Panel
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
13 services · 13 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
13 | 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 4
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 La Jolla 8
Same specialty, same city.
More connections — 15 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 7
Providers who graduated from the same medical school in the same year.
Common questions
What is Gillian Mackay's specialty?
Gillian Mackay is an OB-GYN in La Jolla, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Where can I find Gillian Mackay?
Gillian Mackay is listed at 8910 Villa la Jolla Dr, La Jolla, CA 92037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gillian Mackay?
The number on file is (800) 926-8273. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Gillian Mackay?
Gillian Mackay's National Provider Identifier is 1770702177. 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
What is Gillian Mackay's education?
Gillian Mackay attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gillian Mackay have?
Gillian Mackay has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is Gillian Mackay known for?
According to Medicare billing data, Gillian Mackay 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 Gillian Mackay's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gillian Mackay. 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.