Physician Profile
Based in Rockville, MD, Emma G. Diiorio, M.D. is listed in the NPI registry under rheumatology. Emma graduated from New York University School of Medicine in 1987. According to Medicare claims data, Emma cared for 6,438 Medicare patients across 164,833 services. The services billed most often include injection, romosozumab-aqqg, 1 mg, injection, denosumab, 1 mg, and injection, tocilizumab, 1 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
14995 SHADY GROVE RD SUITE 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
164,833 services · 6,438 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,009 | More than most peers in Rheumatology |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
630 | More than most peers in Rheumatology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
747 | More than most peers in Rheumatology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
605 | More often than most peers in Rheumatology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
304 | More often than most peers in Rheumatology |
| Injection, romosozumab-aqqg, 1 mg | Drug given | J3111 |
74,340 | More than most peers in Rheumatology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
33,600 | More than most peers in Rheumatology |
| Injection, tocilizumab, 1 mg | Drug given | J3262 |
30,240 | As often as other peers in Rheumatology |
| Injection, golimumab, 1 mg, for intravenous use | Drug given | J1602 |
10,750 | As often as other peers in Rheumatology |
| Injection, infliximab, excludes biosimilar, 10 mg | Drug given | J1745 |
3,830 | As often as other peers in Rheumatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Emma G. Diiorio is a rheumatologist in Rockville, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Emma G. Diiorio is listed at 14995 Shady Grove Rd Suite 250, Rockville, MD 20850. 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
Emma G. Diiorio's National Provider Identifier is 1528067808. 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
Emma G. Diiorio attended New York University School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
Emma G. Diiorio has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Emma G. Diiorio 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; provides treatments such as injection of drug or substance under skin or into muscle 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
Not yet. This profile is built from public federal data and has not been confirmed by Emma G. Diiorio. 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.