Stephen Kelly, D.O.
NPI 1558504258 · Emergency Medicine Physician · Derby, CT
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Kelly, D.O. is a Emergency Medicine Physician provider in Derby, CT (NPI 1558504258).
Provider details
- NPI number
- 1558504258
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MB09297100 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
8,995 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Device Supply With Scheduled Recording and Transmission for Remote Monitoring of Respiratory System, Per 30 Days98976 | 6,384 | $46 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 640 | $136 |
| Set-Up and Patient Education for Remote Monitoring of Therapy98975 | 532 | $20 |
| Remote Therapeutic Monitoring Treatment Management Services By Physician Or Other Qualified Health Care Professional, First 20 Minutes Per Calendar Month98980 | 516 | $51 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 405 | $48 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 47 | 38 |
| Clotrimazole | 42 | 34 |
| Ibuprofen | 38 | 38 |
| Ondansetronbrand: Ondansetron Odt | 36 | 36 |
| Erythromycin Basebrand: Erythromycin | 36 | 35 |
| Cephalexin | 33 | 33 |
| Cefdinir | 23 | 23 |
| Azithromycin | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 2740 Fulton Ave Ste 220Sacramento, CA 95821-5186Phone: (908) 663-2929Fax: (908) 934-9564
- 333 Grand StEd - Jersey City Medical CenterJersey City, NJ 07302-4319Phone: (201) 915-2000
Registry dates
- Enumerated
- 2009-04-09
- Last updated
- 2026-05-18
- Certified
- 2026-05-18
Frequently asked questions
- What is Stephen Kelly's NPI number?
- Stephen Kelly's National Provider Identifier (NPI) is 1558504258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Kelly's specialty?
- Stephen Kelly is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Kelly located?
- Stephen Kelly's practice location on file with NPPES is 130 Division St, Derby, CT 06418-1326.
- What is Stephen Kelly's phone number?
- The practice phone number listed in the NPPES registry for Stephen Kelly is (203) 735-7421.
- Does Stephen Kelly accept Medicare?
- Stephen Kelly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Kelly's NPI active?
- Yes — Stephen Kelly's NPI (1558504258) is active in the NPPES registry as of the last update on 2026-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.