Doctor profile · Federal record

Dr. Hermann Sigbjarnarson, M.D.

Surgery Physician (CMS: General Surgery) · Surgery Physician · Garden City, KS

  • NPI 1164653507
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
311 E Spruce St
Garden City, KS 678465614
(620) 275-3740
fax (620) 275-3761
Additional location
1 Medical Center Dr, Dhmc - General Surgery
Lebanon, NH 037561000
(603) 650-5211
Mailing address
1 Medical Center Dr, Dhmc - General Surgery
Lebanon, NH 037561000

Credentials & registration

NPPES · NUCC
NPI registered
August 2009 — 17 yrs on file
Profile last updated
May 24, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
New Hampshire #17083 · Kansas #04-44626

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164653507. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
566
Distinct HCPCS
10
Medicare allowed
$46,451
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 118 84 $62
11042 Removal of skin and tissue, 20.0 sq cm or less 87 23 $53
99203 New patient office or other outpatient visit, 30-44 minutes 76 76 $77
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 42 23 $46
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 40 38 $122
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 38 38 $67
11043 Removal of muscle and/or tissue, 20.0 sq cm or less 32 11 $141
99212 Established patient office or other outpatient visit, 10-19 minutes 32 24 $33
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 26 26 $228
45378 Diagnostic exam of large bowel using a flexible endoscope 14 14 $156

In context: peer comparison

Among 3 peers in Garden City Surgery Physician, average services per provider: 43. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,587
Transactions
5
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 5 $1,587.18

By nature of payment

Travel and Lodging
$1,523
Food and Beverage
$64

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
102
Patients
60
Total drug cost
$845
Drug Type Claims Patients Total cost
Ibuprofen Generic 36 27 $210
Pantoprazole Sodium Generic 24 0 $295
Omeprazole Generic 22 14 $271
Oxycodone Hcl Generic 20 19 $69

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hermann Sigbjarnarson's medical specialty?
Dr. Hermann Sigbjarnarson practices Surgery Physician in Garden City, KS.
Where does Dr. Hermann Sigbjarnarson practice?
Dr. Hermann Sigbjarnarson practices at 311 E Spruce St, Garden City, KS 678465614. Office phone: 6202753740.
What is Dr. Hermann Sigbjarnarson's NPI?
Dr. Hermann Sigbjarnarson's National Provider Identifier (NPI) is 1164653507, issued by NPPES.
Does Dr. Hermann Sigbjarnarson accept Medicare assignment?
Yes. Dr. Hermann Sigbjarnarson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hermann Sigbjarnarson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Removal of skin and tissue, 20.0 sq cm or less (HCPCS 11042); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.