Doctor profile · Federal record

Dr. David Horowitz, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Philadelphia, PA

  • NPI 1679505036
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3701 Market St, 7Th Fl Suite 760
Philadelphia, PA 19104
(215) 349-5600

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 5, 2017
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Pennsylvania #MD044830L
Medicaid
PA #0013982120002

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679505036. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
439
Distinct HCPCS
5
Medicare allowed
$36,507
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 274 167 $78
99215 Established patient office or other outpatient visit, 40-54 minutes 60 60 $127
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 53 53 $79
99213 Established patient office or other outpatient visit, 20-29 minutes 34 32 $65
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 18 18 $68

In context: peer comparison

Among 65 peers in Philadelphia Hospitalist Physician, average services per provider: 103. This provider delivers 4.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,848
Patients
501
Total drug cost
$26,399
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 335 86 $2,528
Atorvastatin Calcium Generic 282 77 $3,629
Levothyroxine Sodium Generic 176 43 $2,976
Hydrochlorothiazide Generic 143 36 $556
Omeprazole Generic 142 36 $2,297
Simvastatin Generic 134 32 $1,144
Lisinopril Generic 102 29 $699
Rosuvastatin Calcium Generic 101 29 $6,189
Fluticasone Propionate Generic 92 37 $1,243
Gabapentin Generic 59 16 $1,063

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Horowitz's medical specialty?
Dr. David Horowitz practices Hospitalist Physician in Philadelphia, PA.
Where does Dr. David Horowitz practice?
Dr. David Horowitz practices at 3701 Market St, Philadelphia, PA 19104. Office phone: 2153495600.
What is Dr. David Horowitz's NPI?
Dr. David Horowitz's National Provider Identifier (NPI) is 1679505036, issued by NPPES.
Does Dr. David Horowitz accept Medicare assignment?
Yes. Dr. David Horowitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Horowitz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (HCPCS G0438). Source: CMS Medicare Physician & Other Practitioners file.