Doctor profile · Federal record

Dr. Jacob Oyer, M.D.

Psychiatry Physician (CMS: Psychiatry) · Amherst, MA

  • NPI 1376961235
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
150 Infirmary Way
Amherst, MA 010039288
(413) 577-5000
Mailing address
111 County Cir
Amherst, MA 010039255

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
October 23, 2024
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Massachusetts #274373

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376961235. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
56
Distinct HCPCS
3
Medicare allowed
$10,828
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 32 32 $223
99443 Telephone medical discussion with physician, 21-30 minutes 13 13 $130
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $183

In context: peer comparison

Among 3 peers in this city , average services per provider: 168. This provider delivers 0.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jacob Oyer's medical specialty?
Dr. Jacob Oyer practices Psychiatry Physician in Amherst, MA.
Where does Dr. Jacob Oyer practice?
Dr. Jacob Oyer practices at 150 Infirmary Way, Amherst, MA 010039288. Office phone: 4135775000.
What is Dr. Jacob Oyer's NPI?
Dr. Jacob Oyer's National Provider Identifier (NPI) is 1376961235, issued by NPPES.
Does Dr. Jacob Oyer accept Medicare assignment?
Yes. Dr. Jacob Oyer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jacob Oyer commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Telephone medical discussion with physician (HCPCS 99443); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.