Doctor profile · Federal record

Dr. Ann Erwin, MD

Family Medicine Physician (CMS: Family Practice) · Boise, ID

  • NPI 1851494223
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
130 E Boise Ave
Boise, ID 83706
(208) 345-4066
fax (208) 345-4196
Mailing address
190 E Bannock St
Boise, ID 837126241

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
March 10, 2011
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Idaho #M6541

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851494223. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
390
Distinct HCPCS
2
Medicare allowed
$30,286
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 217 140 $91
99213 Established patient office or other outpatient visit, 20-29 minutes 173 109 $61

In context: peer comparison

Among 71 peers in this city , average services per provider: 69. This provider delivers 5.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,744
Patients
777
Total drug cost
$45,829
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 460 129 $6,131
Levothyroxine Sodium Generic 394 106 $7,877
Losartan Potassium Generic 358 98 $5,462
Amlodipine Besylate Generic 271 70 $1,681
Omeprazole Generic 223 71 $3,566
Lisinopril Generic 162 46 $1,696
Alendronate Sodium Generic 150 50 $1,606
Metoprolol Succinate Generic 112 33 $3,440
Fluoxetine Hcl Generic 105 29 $1,227
Pravastatin Sodium Generic 99 24 $2,067

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Erwin's medical specialty?
Dr. Ann Erwin practices Family Medicine Physician in Boise, ID.
Where does Dr. Ann Erwin practice?
Dr. Ann Erwin practices at 130 E Boise Ave, Boise, ID 83706. Office phone: 2083454066.
What is Dr. Ann Erwin's NPI?
Dr. Ann Erwin's National Provider Identifier (NPI) is 1851494223, issued by NPPES.
Does Dr. Ann Erwin accept Medicare assignment?
Yes. Dr. Ann Erwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Erwin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.