Doctor profile · Federal record

Dr. Michael Kosofsky, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Philadelphia, PA

  • NPI 1639794134
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 6 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3401 N Broad St
Philadelphia, PA 191405103
(603) 493-4417
Mailing address
945 N 5Th St Apt B
Philadelphia, PA 191231401

Credentials & registration

NPPES · NUCC
NPI registered
June 2020 — 6 yrs on file
Profile last updated
June 12, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #A186156 · Pennsylvania #MT220757

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639794134. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
464
Distinct HCPCS
5
Medicare allowed
$43,990
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 195 183 $173
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 191 167 $8
99284 Emergency department visit with moderate level of medical decision making 34 31 $119
71045 X-ray of chest, 1 view 23 23 $9
99291 Critical care, first 30-74 minutes 21 21 $212

In context: peer comparison

Among 322 peers in this city , average services per provider: 85. This provider delivers 5.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
111
Patients
109
Total drug cost
$1,311
Drug Type Claims Patients Total cost
Ibuprofen Generic 36 35 $153
Cefdinir Generic 24 23 $653
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 14 $133
Cephalexin Generic 13 13 $237
Prednisone Generic 13 13 $34
Doxycycline Monohydrate Generic 11 11 $101

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Kosofsky's medical specialty?
Dr. Michael Kosofsky practices Emergency Medicine Physician in Philadelphia, PA.
Where does Dr. Michael Kosofsky practice?
Dr. Michael Kosofsky practices at 3401 N Broad St, Philadelphia, PA 191405103. Office phone: 6034934417.
What is Dr. Michael Kosofsky's NPI?
Dr. Michael Kosofsky's National Provider Identifier (NPI) is 1639794134, issued by NPPES.
Does Dr. Michael Kosofsky accept Medicare assignment?
Yes. Dr. Michael Kosofsky accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Kosofsky commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.