Doctor profile · Federal record

Dr. Abel Alfonso, DO

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Mankato, MN

  • NPI 1174617740
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 25 yrs in practice
  • Licensed in 5 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1230 E Main St
Mankato, MN 560018001
(507) 625-1811
Additional location
7901 S 12Th St Ste 200
Portage, MI 490243831
(269) 341-8585

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
October 14, 2022
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (5)
Minnesota #58717 · Florida #OS8831 · Michigan #5101027097 · Colorado #DR.0053160 · Virginia #0102202339

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174617740. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
172
Distinct HCPCS
6
Medicare allowed
$17,663
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 52 35 $126
99204 New patient office or other outpatient visit, 45-59 minutes 48 47 $159
83036 Hemoglobin a1c level 21 14 $10
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $131
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 16 15 $34
36415 Insertion of needle into vein for collection of blood sample 15 11 $8

In context: peer comparison

Among 2 peers in Mankato Endocrinology, Diabetes & Metabolism Physician, average services per provider: 46. This provider delivers 3.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$250
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 2 $132.06
Lilly USA, LLC 4 $62.35
Ascendis Pharma INC 2 $34.41
Corcept Therapeutics 1 $21.21

By nature of payment

Food and Beverage
$250

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
347
Patients
60
Total drug cost
$158,680
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 58 18 $1,396
Metformin Hcl ER (Metformin Hcl) Brand 44 17 $1,118
Methimazole Generic 29 0 $598
Alendronate Sodium Generic 27 12 $411
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 25 13 $13,524
Jardiance (Empagliflozin) Brand 23 0 $29,471
Hydrocortisone Generic 19 0 $1,104
Ultra-Fine Mini Pen Needle (Pen Needle, Diabetic) Brand 19 0 $1,307
Novolog Flexpen (Insulin Aspart) Brand 18 0 $11,647
Ozempic (Semaglutide) Brand 18 0 $30,461

Frequently asked questions

Auto-generated from federal data
What is Dr. Abel Alfonso's medical specialty?
Dr. Abel Alfonso practices Endocrinology, Diabetes & Metabolism Physician in Mankato, MN.
Where does Dr. Abel Alfonso practice?
Dr. Abel Alfonso practices at 1230 E Main St, Mankato, MN 560018001. Office phone: 5076251811.
What is Dr. Abel Alfonso's NPI?
Dr. Abel Alfonso's National Provider Identifier (NPI) is 1174617740, issued by NPPES.
Does Dr. Abel Alfonso accept Medicare assignment?
Yes. Dr. Abel Alfonso accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Abel Alfonso commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.