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Edit this profileAt a glance
- 233 Longtown Rd, Columbia, SC 29229
About Dr. Johnson
Based in Columbia, SC, Crystal Y. Johnson, M.D. is listed in the NPI registry under obstetrics/gynecology. Crystal graduated from University of South Carolina School of Medicine in 2001. Crystal is also listed as specializing in specialist and obstetrics & gynecology. According to Medicare claims data, Crystal cared for 528 Medicare patients across 532 services. The services billed most often include screening mammography, screening 3d breast mammography, and cervical or vaginal cancer screening; pelvic and clinical breast examination. NPI 1407804826 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
- (803) 788-0268
- Email not available
Practice Locations
233 LONGTOWN RD
Columbia, SC 29229
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
Pelvic pain and benign gynecology
- Uterine fibroids
- Chronic pelvic pain
- Ovarian cysts
- Painful intercourse
- Pelvic organ prolapse
- Urinary incontinence in women
Most searched conditions
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
Contraception
Fertility
Infections
Pregnancy Complications
Vaginal & Vulvar Health
Procedures & services
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
Procedures Most Often Billed to Medicare
532 services · 528 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Screening mammography | Imaging | 77067 |
244 | More than most peers in Obstetrics/Gynecology |
| Screening 3d breast mammography | Imaging | 77063 |
237 | More than most peers in Obstetrics/Gynecology |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
20 | As often as other peers in Obstetrics/Gynecology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
19 | Less often than most peers in Obstetrics/Gynecology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
12 | Less often than most peers in Obstetrics/Gynecology |
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 obstetrics/gynecology specialists 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 obstetrics/gynecology specialists in Columbia 8
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at University of South Carolina School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at University of South Carolina School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Screening mammography 6
Providers in SC who bill this service to Medicare most often.
Common questions
What does Crystal Y. Johnson specialize in?
Crystal Y. Johnson is an obstetrics/gynecology in Columbia, SC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Crystal Y. Johnson located?
Crystal Y. Johnson is listed at 233 Longtown Rd, Columbia, SC 29229. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Crystal Y. Johnson's phone number?
The number on file is (803) 788-0268. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Crystal Y. Johnson's NPI number?
Crystal Y. Johnson's National Provider Identifier is 1407804826. 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 Crystal Y. Johnson train?
Crystal Y. Johnson attended University of South Carolina School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Crystal Y. Johnson been practicing?
Crystal Y. Johnson has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Crystal Y. Johnson do most often?
According to Medicare billing data, Crystal Y. Johnson performs imaging including screening mammography and screening 3d breast mammography, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Crystal Y. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Crystal Y. Johnson. If this is you, claiming it is free.
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