Doctor profile · Federal record

Dr. Terry Gehlhausen, D.O.

Family Medicine Physician (CMS: Family Practice) · Oakland City, IN

  • NPI 1861479743
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1204 Williams St
Oakland City, IN 476601001
(812) 749-6187
fax (812) 749-4966
Mailing address
Po Box 1510
Evansville, IN 477061510

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
January 3, 2013
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Indiana #02000730A
Medicaid
IN #100122270

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861479743. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
443
Distinct HCPCS
4
Medicare allowed
$36,051
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 305 56 $69
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 107 42 $100
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 16 16 $171
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 15 11 $100

In context: peer comparison

Among 3 peers in this city , average services per provider: 82. This provider delivers 5.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,771
Patients
398
Total drug cost
$172,445
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 335 60 $5,720
Eliquis (Apixaban) Brand 295 25 $90,473
Furosemide Generic 267 42 $1,669
Levothyroxine Sodium Generic 208 38 $3,272
Omeprazole Generic 204 38 $2,841
Gabapentin Generic 172 19 $3,860
Memantine Hcl Generic 169 27 $17,107
Famotidine Generic 168 29 $2,823
Escitalopram Oxalate Generic 161 23 $2,539
Lisinopril Generic 154 22 $1,455

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Terry Gehlhausen's medical specialty?
Dr. Terry Gehlhausen practices Family Medicine Physician in Oakland City, IN.
Where does Dr. Terry Gehlhausen practice?
Dr. Terry Gehlhausen practices at 1204 Williams St, Oakland City, IN 476601001. Office phone: 8127496187.
What is Dr. Terry Gehlhausen's NPI?
Dr. Terry Gehlhausen's National Provider Identifier (NPI) is 1861479743, issued by NPPES.
Does Dr. Terry Gehlhausen accept Medicare assignment?
Yes. Dr. Terry Gehlhausen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Terry Gehlhausen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.