Individual provider

Abel Alfonso, DO

Endocrinology, Diabetes & Metabolism Physician Medicare enrolled

Abel Alfonso, DO is an Endocrinology, Diabetes & Metabolism Physician in Mankato, MN, registered under NPI 1174617740.

Getting there

The practice address on file is 1230 E MAIN ST, Mankato, MN 56001. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

1230 E MAIN ST, Mankato, MN 56001 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
58717 MN Endocrinology, Diabetes & Metabolism… primary
OS8831 FL Endocrinology, Diabetes & Metabolism…
5101027097 MI Endocrinology, Diabetes & Metabolism…
DR.0053160 CO Endocrinology, Diabetes & Metabolism…
0102202339 VA Endocrinology, Diabetes & Metabolism…

Licences are recorded in 5 states: MN, FL, MI, CO, VA. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Endocrinology
PAC ID
3476747957

Enrolled in Medicare 3 times, across 3 states:

StateEnrollment IDProvider type
Nebraska I20130906000331 Practitioner - Endocrinology
Michigan I20221020002480 Practitioner - Endocrinology
Wisconsin I20230823001134 Practitioner - Endocrinology

Medicare enrolment is recorded as approved under the provider type Practitioner - Endocrinology. There are 3 separate enrolment records across 3 states (NE, MI, WI). Multiple enrolments usually mean the provider bills Medicare from more than one practice location, or has kept an earlier enrolment after moving. Each record carries its own enrolment ID, listed above. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

Licensed in 5 states

This provider holds licences in 5 states: Colorado, Florida, Michigan, Minnesota and Virginia. The practice address on file is in Mankato, MN, but a licence in another state usually means they see patients there too — either at a second location or by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.

CO Colorado
Licence
DR.0053160
Specialty
Endocrinology, Diabetes & Metabolism…
Verify with the CO board →
FL Florida
Licence
OS8831
Specialty
Endocrinology, Diabetes & Metabolism…
Verify with the FL board →
MI Michigan
Licence
5101027097
Specialty
Endocrinology, Diabetes & Metabolism…
Verify with the MI board →
MN Minnesota practice address
Licence
58717
Specialty
Endocrinology, Diabetes & Metabolism…
Verify with the MN board →
VA Virginia
Licence
0102202339
Specialty
Endocrinology, Diabetes & Metabolism…
Verify with the VA board →

Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.

What Endocrinology, Diabetes & Metabolism covers

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems. NUCC Health Care Provider Taxonomy, code 207RE0101X
Allopathic & Osteopathic Physicians Internal Medicine Endocrinology, Diabetes & Metabolism

All registered taxonomy codes

This provider registers 5 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
207RE0101X Endocrinology, Diabetes & Metabolism Physician Endocrinology, Diabetes & Metabolism 58717 MN primary
207RE0101X Endocrinology, Diabetes & Metabolism Physician Endocrinology, Diabetes & Metabolism OS8831 FL
207RE0101X Endocrinology, Diabetes & Metabolism Physician Endocrinology, Diabetes & Metabolism 5101027097 MI
207RE0101X Endocrinology, Diabetes & Metabolism Physician Endocrinology, Diabetes & Metabolism DR.0053160 CO
207RE0101X Endocrinology, Diabetes & Metabolism Physician Endocrinology, Diabetes & Metabolism 0102202339 VA

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1174617740 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateOct 3, 2006
Last updatedOct 14, 2022
StatusActive
Sole proprietorNo
CredentialDO
Practice address 1230 E MAIN ST
Mankato, MN 56001
(507) 625-1811
The last update on file is Oct 14, 2022. Providers are only required to update NPPES when their information changes, so an older date does not necessarily mean the details are wrong — but it is worth a quick call before you travel.

Number check

1174617740 passes the NPI check digit test The final digit 0 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 1 7 4 6 1 7 7 4
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 1 5 4 3 1 5 7 8

Sum = 60 · next multiple of 10 = 60 · check digit = 0 · actual last digit = 0

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1174617740?
NPI 1174617740 is the National Provider Identifier assigned to Abel Alfonso, DO in Mankato, MN. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Endocrinology, Diabetes & Metabolism cover?
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
How do I contact Abel Alfonso, DO?
The phone number on file with NPPES is (507) 625-1811, last updated Oct 14, 2022. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Does Abel Alfonso, DO accept Medicare?
This NPI has an approved Medicare enrolment in PECOS, which means the provider is enrolled to bill Medicare. Enrolment does not guarantee they are accepting new Medicare patients — verify directly with the office.
Is NPI 1174617740 a valid number?
Yes. 1174617740 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.