Doctor profile · Federal record

Dr. Guillermo Espinoza, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Sitka, AK

  • NPI 1194081042
  • Accepts Medicare
  • MIPS 82.1 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
222 Tongass Dr
Sitka, AK 99835
(907) 966-2411

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
June 24, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Alaska #102592

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194081042. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
328
Distinct HCPCS
8
Medicare allowed
$39,177
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 101 42 $105
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 80 29 $158
99238 Hospital discharge day management, 30 minutes or less 52 47 $106
99213 Established patient office or other outpatient visit, 20-29 minutes 27 26 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 24 19 $129
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 15 14 $11
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $109
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $223

In context: peer comparison

Among 1 peers in Sitka Internal Medicine Physician, average services per provider: 41. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
21
Patients
0
Total drug cost
$241
Drug Type Claims Patients Total cost
Topiramate Generic 21 0 $241

Frequently asked questions

Auto-generated from federal data
What is Dr. Guillermo Espinoza's medical specialty?
Dr. Guillermo Espinoza practices Internal Medicine Physician in Sitka, AK.
Where does Dr. Guillermo Espinoza practice?
Dr. Guillermo Espinoza practices at 222 Tongass Dr, Sitka, AK 99835. Office phone: 9079662411.
What is Dr. Guillermo Espinoza's NPI?
Dr. Guillermo Espinoza's National Provider Identifier (NPI) is 1194081042, issued by NPPES.
Does Dr. Guillermo Espinoza accept Medicare assignment?
Yes. Dr. Guillermo Espinoza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guillermo Espinoza commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.