Physician Profile
Unclaimed ProfileAbout AHN
Grace E Ahn, M.D. is a healthcare provider in Rockville, MD specialising in rheumatology. Grace trained at University of Virginia School of Medicine, graduating in 2006.
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
Common questions
What is Dr. Ahn's specialty?
Dr. Ahn is a rheumatology in Rockville, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RHEUMATOLOGY”.
NPI registry
Where can I find Dr. Ahn?
Dr. Ahn is listed at 14995 SHADY GROVE RD STE 500, Rockville, MD 20850. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ahn?
The number on file is (301) 942-7600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ahn's NPI number?
Dr. Ahn's National Provider Identifier is 1982884896. 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. Ahn's medical education?
Dr. Ahn attended University of Virginia School of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ahn been practising?
Dr. Ahn has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ahn known for?
According to Medicare billing data, Dr. Ahn performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as dxa bone density measurement of hip, pelvis, spine and x-ray of hand, minimum of 3 views; provides treatments such as administration of chemotherapy into vein, 1 hour or less and administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ahn confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ahn. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (301) 942-7600
- Email not available
Practice Locations
14995 SHADY GROVE RD STE 500
Rockville, MD 20850
Procedures Most Often Billed to Medicare
73,092 services · 4,047 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
756 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
315 |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
133 |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
240 |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
211 |
| Injection, tocilizumab, 1 mg | Drug given | J3262 |
28,160 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
11,640 |
| Injection, romosozumab-aqqg, 1 mg | Drug given | J3111 |
9,870 |
| Injection, golimumab, 1 mg, for intravenous use | Drug given | J1602 |
5,900 |
| Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0129 |
3,250 |
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 rheumatology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 29 related providers in 4 groups
Other rheumatology specialists in Rockville 5
Same specialty, same city.
Trained at University of Virginia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at University of Virginia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MD who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.