Doctor profile · Federal record

Dr. John Wisor, PH.D.

Psychologist (CMS: Clinical Psychologist) · Glenwood, MD

  • NPI 1972849107
  • Accepts Medicare
  • MIPS 79.6 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3307 Saddle Horse CT
Glenwood, MD 217389526
(410) 963-8381

Credentials & registration

NPPES · NUCC
NPI registered
December 2012 — 14 yrs on file
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
103T00000X — NUCC code
State license (1)
Maryland #2872

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972849107. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
296
Distinct HCPCS
3
Medicare allowed
$29,770
HCPCS Description Services Patients Avg allowed
90832 Psychotherapy, 30 minutes 166 42 $72
90791 Psychiatric diagnostic evaluation 81 79 $163
90834 Psychotherapy, 45 minutes 49 22 $95

In context: peer comparison

Among 1 peers in Glenwood Psychologist, average services per provider: 98. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Wisor's medical specialty?
Dr. John Wisor practices Psychologist in Glenwood, MD.
Where does Dr. John Wisor practice?
Dr. John Wisor practices at 3307 Saddle Horse CT, Glenwood, MD 217389526. Office phone: 4109638381.
What is Dr. John Wisor's NPI?
Dr. John Wisor's National Provider Identifier (NPI) is 1972849107, issued by NPPES.
Does Dr. John Wisor accept Medicare assignment?
Yes. Dr. John Wisor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Wisor commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90832); Psychiatric diagnostic evaluation (HCPCS 90791); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.