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Edit this profileAt a glance
- 227 Saint Paul Pl, Sixth Floor, Baltimore, MD 21202
About Dr. Ryu
Based in Baltimore, MD, Hyung S. Ryu, MD is listed in the NPI registry under gynecologic oncology. Hyung graduated from Georgetown University School of Medicine in 2001. Hyung is also listed as specializing in obstetrics & gynecology. According to Medicare claims data, Hyung cared for 412 Medicare patients across 550 services. 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, cervical or vaginal cancer screening; pelvic and clinical breast examination, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1508929506 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
- (410) 332-9200
- Email not available
Practice Locations
227 SAINT PAUL PL SIXTH FLOOR
Baltimore, MD 21202
Procedures Most Often Billed to Medicare
550 services · 412 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of lining of uterus and/or removal of polyp using an endoscope | Procedure | 58558 |
15 | More often than most peers in Gynecologic Oncology |
| Biopsy of lining of uterus | Procedure | 58100 |
14 | As often as other peers in Gynecologic Oncology |
| Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less | Procedure | 58571 |
12 | Less often than most peers in Gynecologic Oncology |
| Other procedure on ureter using an endoscope | Procedure | 50949 |
11 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
293 | More than most peers in Gynecologic Oncology |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
104 | More often than most peers in Gynecologic Oncology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
61 | More than most peers in Gynecologic Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
29 | More than most peers in Gynecologic Oncology |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
11 | Less often than most peers in Gynecologic Oncology |
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 gynecologic oncology 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 gynecologic oncology specialists in Baltimore 6
Same specialty, same city.
More connections — 20 related providers in 3 groups
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Georgetown University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of lining of uterus and/or removal of polyp using an endoscope 4
Providers in MD who bill this service to Medicare most often.
Common questions
What is Dr. Ryu's specialty?
Dr. Ryu is a gynecologic oncology in Baltimore, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Ryu?
Dr. Ryu is listed at 227 Saint Paul Pl Sixth Floor, Baltimore, MD 21202. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ryu?
The number on file is (410) 332-9200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Ryu's NPI number?
Dr. Ryu's National Provider Identifier is 1508929506. 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 Dr. Ryu's medical education?
Dr. Ryu attended Georgetown University School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ryu been practicing?
Dr. Ryu has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ryu known for?
According to Medicare billing data, Dr. Ryu performs procedures including biopsy of lining of uterus and/or removal of polyp using an endoscope, biopsy of lining of uterus and removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ryu confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ryu. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.