Doctor profile · Federal record

Dr. Terrence Ryan, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Columbia, MO

  • NPI 1619925559
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1605 E Broadway, Suite 100
Columbia, MO 652018023
(573) 815-4242
fax (573) 815-4245

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 22, 2020
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Missouri #2006002066
Medicaid
MO #201333200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619925559. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
574
Distinct HCPCS
10
Medicare allowed
$68,927
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 125 110 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 111 101 $117
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 104 47 $47
99204 New patient office or other outpatient visit, 45-59 minutes 69 69 $153
99203 New patient office or other outpatient visit, 30-44 minutes 53 53 $103
99212 Established patient office or other outpatient visit, 10-19 minutes 27 25 $52
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 24 17 $75
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 16 11 $230
63047 Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 16 16 $935
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 16 14 $78

In context: peer comparison

Among 2 peers in Columbia Neurological Surgery Physician, average services per provider: 41. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
210
Patients
108
Total drug cost
$3,122
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 69 48 $1,041
Gabapentin Generic 60 23 $873
Diazepam Generic 31 24 $90
Methylprednisolone Generic 20 13 $171
Dexamethasone Generic 15 0 $474
Levetiracetam Generic 15 0 $473

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Terrence Ryan's medical specialty?
Dr. Terrence Ryan practices Neurological Surgery Physician in Columbia, MO.
Where does Dr. Terrence Ryan practice?
Dr. Terrence Ryan practices at 1605 E Broadway, Columbia, MO 652018023. Office phone: 5738154242.
What is Dr. Terrence Ryan's NPI?
Dr. Terrence Ryan's National Provider Identifier (NPI) is 1619925559, issued by NPPES.
Does Dr. Terrence Ryan accept Medicare assignment?
Yes. Dr. Terrence Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Terrence Ryan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.