Physician Profile
Unclaimed ProfileAbout OH
Andrew Joseph Oh, M.D. is a healthcare provider in Hagerstown, MD specializing in obstetrics/gynecology. Andrew trained at University of Maryland School of Medicine, graduating in 1995. Andrew is also listed as specializing in obstetrics & gynecology. According to Medicare claims data, Andrew cared for 186 Medicare patients across 221 services.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (301) 665-9098
- Email not available
Practice Locations
1165 IMPERIAL DR STE 300
Hagerstown, MD 21740
Procedures Most Often Billed to Medicare
221 services · 186 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Screening mammography | Imaging | 77067 |
64 |
| Assessment of emotional or behavioral problems | Treatment | 96127 |
60 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
43 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
21 |
| Pelvic exam | Office visit | 99459 |
20 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
13 |
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 6
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 Hagerstown 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Maryland School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at University of Maryland School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Screening mammography 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Dr. Oh specialize in?
Dr. Oh is an obstetrics/gynecology in Hagerstown, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OBSTETRICS/GYNECOLOGY”.
NPI registry
Where is Dr. Oh located?
Dr. Oh is listed at 1165 IMPERIAL DR STE 300, Hagerstown, MD 21740. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Oh's phone number?
The number on file is (301) 665-9098. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Oh's NPI number?
Dr. Oh's National Provider Identifier is 1285637686. 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. Oh go to medical school?
Dr. Oh attended University of Maryland School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Oh been practicing?
Dr. Oh has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Oh do most often?
According to Medicare billing data, Dr. Oh performs imaging including screening mammography; provides treatments such as assessment of emotional or behavioral problems, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Oh confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Oh. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.