Doctor profile · Federal record

Dr. Robert Mayer, AGPCNP

Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Primary Care Nurse Practitioner · Primary Care Nurse Practitioner · Gresham, OR

  • NPI 1154753457
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
440 Nw Division St
Gresham, OR 970305506
(503) 215-9500
Mailing address
Po Box 3158
Portland, OR 972083158

Credentials & registration

NPPES · NUCC
NPI registered
August 2013 — 13 yrs on file
Profile last updated
January 5, 2016
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LG0600X — NUCC code
State licenses (2)
Oregon #201504149NP-PP · Massachusetts #RN2275111
Medicaid
OR #500690883

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154753457. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
252
Distinct HCPCS
2
Medicare allowed
$22,150
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 136 68 $68
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 116 108 $111

In context: peer comparison

Among 1 peers in Gresham Gerontology Nurse Practitioner, average services per provider: 126. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Mayer's medical specialty?
Dr. Robert Mayer practices Gerontology Nurse Practitioner in Gresham, OR.
Where does Dr. Robert Mayer practice?
Dr. Robert Mayer practices at 440 Nw Division St, Gresham, OR 970305506. Office phone: 5032159500.
What is Dr. Robert Mayer's NPI?
Dr. Robert Mayer's National Provider Identifier (NPI) is 1154753457, issued by NPPES.
Does Dr. Robert Mayer accept Medicare assignment?
Yes. Dr. Robert Mayer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Mayer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.