Doctor profile · Federal record

Dr. Matthew Kayser, MD

Psychiatry Physician (CMS: Psychiatry) · Philadelphia, PA

  • NPI 1790928869
  • Accepts Medicare
  • MIPS 85.5 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3535 Market St, 3Rd Floor
Philadelphia, PA 191043309
(215) 746-6700

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
June 6, 2013
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Pennsylvania #MD444399

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790928869. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
46
Distinct HCPCS
1
Medicare allowed
$8,628
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 46 18 $188

In context: peer comparison

Among 90 peers in this city , average services per provider: 143. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
145
Patients
0
Total drug cost
$4,929
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 21 0 $483
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 18 0 $499
Vilazodone Hcl Generic 16 0 $1,890
Lorazepam Generic 15 0 $156
Quetiapine Fumarate Generic 15 0 $411
Doxepin Hcl Generic 13 0 $503
Escitalopram Oxalate Generic 13 0 $221
Zaleplon Generic 12 0 $78
Bupropion Xl (Bupropion Hcl) Brand 11 0 $425
Mirtazapine Generic 11 0 $265

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Kayser's medical specialty?
Dr. Matthew Kayser practices Psychiatry Physician in Philadelphia, PA.
Where does Dr. Matthew Kayser practice?
Dr. Matthew Kayser practices at 3535 Market St, Philadelphia, PA 191043309. Office phone: 2157466700.
What is Dr. Matthew Kayser's NPI?
Dr. Matthew Kayser's National Provider Identifier (NPI) is 1790928869, issued by NPPES.
Does Dr. Matthew Kayser accept Medicare assignment?
Yes. Dr. Matthew Kayser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Kayser commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.