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Edit this profileAt a glance
- 100 Market Streeet, Suite 300, Collegeville, PA 19426
About Dr. Bolton
Based in Collegeville, PA, Gregory C. Bolton, MD is listed in the NPI registry under obstetrics & gynecology. Gregory graduated from Temple University School of Medicine in 1994. According to Medicare claims data, Gregory cared for 50 Medicare patients across 69 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and cervical or vaginal cancer screening; pelvic and clinical breast examination. NPI 1699733782 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
- (412) 599-1039
- Email not available
Practice Locations
100 MARKET STREEET SUITE 300
Collegeville, PA 19426
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
- IUD Removal
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
69 services · 50 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
54 | More often than most peers in OB-GYN |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
15 | 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.
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 — 15 related providers in 2 groups
Trained at Temple University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at Temple University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Bolton specialize in?
Dr. Bolton is an OB-GYN in Collegeville, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Where is Dr. Bolton located?
Dr. Bolton is listed at 100 Market Streeet Suite 300, Collegeville, PA 19426. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Bolton's phone number?
The number on file is (412) 599-1039. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Bolton's NPI number?
Dr. Bolton's National Provider Identifier is 1699733782. 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. Bolton go to medical school?
Dr. Bolton attended Temple University School of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Bolton been practicing?
Dr. Bolton has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Bolton do most often?
According to Medicare billing data, Dr. Bolton 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
Has Dr. Bolton confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Bolton. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.