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DR. JOHN LLAMOSO MD
NPI 1598442477
Family Medicine in Oakland, IA

Active since July 03, 2023PECOS Enrolled
700 S HIGHWAY ST, OAKLAND, IA 51560(712) 482-6484(712) 482-6213 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 15, 2026, Jul 3, 2023 (2 updates tracked since 2023).

About Dr. John Llamoso Md NPPES

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

DR. JOHN LLAMOSO MD (NPI 1598442477) is an individual family medicine provider in Oakland, Iowa, licensed in Iowa (MD-56753) and active in the NPI registry since July 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1598442477
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. JOHN LLAMOSOCredential: MD
Location Address700 S HIGHWAY STOakland, IA 51560-4365
Mailing Address700 S Highway StOakland, IA 51560-4365 · (712) 482-6484 · Fax (712) 482-6213
Phone(712) 482-6484
Fax(712) 482-6213
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJuly 3, 2023
Last NPPES UpdateJuly 15, 20262 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1598442477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in IA · MD-56753✔ Licensed in NE · 9765
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
700 S HIGHWAY ST, Oakland, IA 51560
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John Llamoso Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901265958
PECOS Enrollment IDI20260707004329
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 Reassignment

Medicare enrollment records show John Llamoso reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Alegent Health Community Memorial Hospital Of Missouri Valley Iowa
31 mi
Family Medicine
809 E ELM STREET
Missouri Valley, IA 51555
  • Reassigned Medicare billing, Iowa enrollment
  • Also billed through NPI 1508964123 (Iowa)
  • 44 clinicians in this Medicare group
NPI 1023154176 (712) 642-2794

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 51560 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
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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 3

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

ALEGENT HEALTH COMMUNITY MEMORIAL HOSPITAL OF MISSOURI VALLEY, IOWA
Clinic/Center (Rural Health)
700 S HIGHWAY ST
OAKLAND, IA 51560
Pottawattamie County (712) 482-6484
CONSTANCE L BRIDGES ARNP
Nurse Practitioner (Family)
700 S HIGHWAY ST
OAKLAND, IA 51560
Pottawattamie County (712) 482-6484
TRACY A SCHOENING ARNP
Nurse Practitioner (Family)
700 S HIGHWAY ST
OAKLAND, IA 51560
Pottawattamie County (712) 482-6484

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Llamoso's NPI number?

The NPI number for John Llamoso is 1598442477. It was assigned to this individual provider in the NPPES registry on July 3, 2023.

Where is John Llamoso located?

John Llamoso practices at 700 S Highway St, Oakland, IA 51560. The listed phone number is (712) 482-6484.

What is John Llamoso's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is John Llamoso enrolled in Medicare?

Yes. John Llamoso is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Llamoso's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Llamoso reassigns Medicare benefits to Alegent Health Community Memorial Hospital Of Missouri Valley Iowa (Missouri Valley, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Llamoso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Llamoso accept?

Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list John Llamoso as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Llamoso was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.