Doctor profile · Federal record

Dr. Spencer Ollayos

Internal Medicine Physician (CMS: Hospitalist) · Fairmont, WV

  • NPI 1184185084
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1325 Locust Ave
Fairmont, WV 265541435
(045) 347-8103

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
December 8, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
West Virginia #31599

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184185084. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
371
Distinct HCPCS
6
Medicare allowed
$40,319
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 122 72 $115
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 110 69 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 43 42 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 43 43 $167
99239 Hospital discharge day management, more than 30 minutes 40 40 $110
99238 Hospital discharge day management, 30 minutes or less 13 13 $77

In context: peer comparison

Among 6 peers in this city , average services per provider: 137. This provider delivers 2.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Spencer Ollayos's medical specialty?
Dr. Spencer Ollayos practices Internal Medicine Physician in Fairmont, WV.
Where does Dr. Spencer Ollayos practice?
Dr. Spencer Ollayos practices at 1325 Locust Ave, Fairmont, WV 265541435. Office phone: 0453478103.
What is Dr. Spencer Ollayos's NPI?
Dr. Spencer Ollayos's National Provider Identifier (NPI) is 1184185084, issued by NPPES.
Does Dr. Spencer Ollayos accept Medicare assignment?
Yes. Dr. Spencer Ollayos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Spencer Ollayos commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); 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.