Michael Kosofsky, MD
NPI 1639794134 · Emergency Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Kosofsky, MD is a Emergency Medicine Physician provider in Philadelphia, PA (NPI 1639794134).
Provider details
- NPI number
- 1639794134
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MT220757 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,118 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 442 | $168 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 382 | $8 |
| X-Ray of Chest, 1 View71045 | 96 | $8 |
| Critical Care, First 30-74 Minutes99291 | 81 | $207 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 59 | $117 |
| Ultrasound of Heart, Follow-Up93308 | 34 | $24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 91 | 89 |
| Ibuprofen | 29 | 27 |
| Ondansetron Hcl | 27 | 27 |
| Azithromycin | 25 | 25 |
| Cephalexin | 24 | 24 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 22 |
| Oxycodone Hcl | 20 | 20 |
| Doxycycline Hyclate | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-06-10
- Last updated
- 2023-06-12
- Certified
- 2023-06-12
Frequently asked questions
- What is Michael Kosofsky's NPI number?
- Michael Kosofsky's National Provider Identifier (NPI) is 1639794134, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Kosofsky's specialty?
- Michael Kosofsky is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Kosofsky located?
- Michael Kosofsky's practice location on file with NPPES is 3401 N Broad St, Philadelphia, PA 19140-5103.
- What is Michael Kosofsky's phone number?
- The practice phone number listed in the NPPES registry for Michael Kosofsky is (603) 493-4417.
- Does Michael Kosofsky accept Medicare?
- Michael Kosofsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Kosofsky's NPI active?
- Yes — Michael Kosofsky's NPI (1639794134) is active in the NPPES registry as of the last update on 2023-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.