CYDNEY L FENTON M.D.
NPI 1497788921
Pediatrics - Pediatric Endocrinology in Boise, ID

Q: What is Cydney Fenton's NPI number?

The NPI number for Cydney Fenton is 1497788921. It was assigned to this individual provider in the NPPES registry on July 8, 2006.

Q: What is Cydney Fenton's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Q: When was this NPI record last updated?

The NPPES record for Cydney Fenton was last updated on February 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 08, 2006PECOS EnrolledAccepts Medicare Assignment

305 E JEFFERSON ST, BOISE, ID 83712(208) 381-7340(208) 381-7341 Get Directions Write a Review

NPPES record last updated: February 7, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 7, 2025, Feb 26, 2020, Aug 16, 2016 (3 updates tracked since 2016).

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About Cydney L Fenton M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CYDNEY L FENTON M.D. (NPI 1497788921) is an individual pediatric endocrinology provider in Boise, Idaho, licensed in Idaho (9371240) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Anchorage, and is a graduate of Boston University School Of Medicine (1992).

NPPES Registry Identity

NPI1497788921

Entity TypeIndividualFemale

Primary Taxonomy2080P0205X

Provider Legal NameCYDNEY L FENTONCredential: M.D.

Location Address305 E JEFFERSON STBoise, ID 83712-6231

Mailing Address190 E Bannock StBoise, ID 83712-6241

Phone(208) 381-7340

Fax(208) 381-7341

Sole ProprietorNo

Medical School CMSBoston University School Of MedicineGraduated 1992

Enumeration DateJuly 8, 2006

Last NPPES UpdateFebruary 7, 20253 updates tracked since enumeration

NPPES CertifiedFebruary 7, 2025

✔ NPI 1497788921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0205X

Licenses✔ Licensed in ID · 9371240✔ Licensed in OH · 35-086582✔ Licensed in AK · 102575

Definition

A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.

305 E JEFFERSON ST, Boise, ID 83712

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Secondary Practice Location 1

Location 19500 Independence Dr Ste 900Anchorage, AK 99507-4686 · Phone (907) 522-1341 · Fax (907) 522-1343

Other Identifiers 1

Medicaid1633473AK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Cydney L Fenton M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385675909

PECOS Enrollment IDI20260109001552

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Cydney Fenton reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St Lukes Clinic-Treasure Valley LLC

Same address

Family Medicine

190 E BANNOCK ST
Boise, ID 83712

Reassigned Medicare billing, Idaho enrollment
1,312 clinicians in this Medicare group

NPI 1326336058 (208) 381-2222

Southcentral Foundation

1,824 mi

Community Health

11495 N CALLISON STREET
Sutton, AK 99674

Reassigned Medicare billing, Texas enrollment
459 clinicians in this Medicare group

NPI 1043632037 (907) 631-7665

Alaska Native Tribal Health Consortium

1,834 mi

General Acute Care Hospital

4315 DIPLOMACY DR
Anchorage, AK 99508

Reassigned Medicare billing, Texas enrollment
1,373 clinicians in this Medicare group

NPI 1437189339 (907) 563-2662

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83712 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$121.27 typical visit price

range $52.44 – $160.17

Typical copayment $30.31 (range $13.11 – $40.04)

Most-billed visit code 99204

Established Patient

$93.26 typical visit price

range $16.68 – $130.93

Typical copayment $23.31 (range $4.17 – $32.73)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HAILEY LIZABETH COLLETTE MS

Dietitian, Registered (Nutrition, Pediatric)