Physician Profile
Katherine A. Maher, M.D. practices rheumatology in Frederick, MD. Katherine is a 2010 graduate of Georgetown University School of Medicine. Medicare claims data shows Katherine provided 24,291 services to 3,302 patients. The services billed most often include injection, romosozumab-aqqg, 1 mg, injection, denosumab, 1 mg, and injection, golimumab, 1 mg, for intravenous use.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
161 THOMAS JOHNSON DR STE 250
Frederick, MD 21702
14995 Shady Grove Rd Ste 250
Rockville, MD 20850
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Autoimmune
Bone
Bone Health
Connective Tissue
Genetic & Connective Tissue
Inflammatory
Joints
Nerve & Tendon
Skin & Soft Tissue
Skin & Vascular
Soft Tissue
Spine & Back
Vascular
Most searched procedures
Consultation
Consultations
Diagnostics & Injections
Education & Support
Imaging
Injections
Lab & Diagnostics
Lab Work
Medication Management
Pain Relief
Regenerative Medicine
24,291 services · 3,302 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
418 | More often than most peers in Rheumatology |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
198 | More often than most peers in Rheumatology |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
115 | More often than most peers in Rheumatology |
| X-ray of knee, 3 views | Imaging | 73562 |
73 | More often than most peers in Rheumatology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
159 | As often as other peers in Rheumatology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
119 | As often as other peers in Rheumatology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
92 | |
| Injection, romosozumab-aqqg, 1 mg | Drug given | J3111 |
7,140 | |
| Injection, denosumab, 1 mg | Drug given | J0897 |
6,720 | More often than most peers in Rheumatology |
| Injection, golimumab, 1 mg, for intravenous use | Drug given | J1602 |
2,764 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Katherine A. Maher is a rheumatologist in Frederick, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Katherine A. Maher is listed at 161 Thomas Johnson Dr Ste 250, Frederick, MD 21702. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (301) 942-7600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Katherine A. Maher's National Provider Identifier is 1225353865. 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
Katherine A. Maher attended Georgetown University School of Medicine, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
Katherine A. Maher has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Katherine A. Maher 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 non-hormonal anti-neoplastic chemotherapy under skin or into muscle and injection of drug or substance 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
Not yet. This profile is built from public federal data and has not been confirmed by Katherine A. Maher. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.