Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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: August 16, 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, is affiliated with Chi Health Bergan Mercy, 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
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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Chi Health Bergan Mercy

Acute Care Hospitals · Omaha, NE
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number280060
Location7500 Mercy RdOmaha, NE 68124 · Douglas County
Emergency services Birthing friendly

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.

Clinic/Center (Rural Health)
700 S HIGHWAY ST
OAKLAND, IA 51560
Nurse Practitioner (Family)
700 S HIGHWAY ST
OAKLAND, IA 51560
Nurse Practitioner (Family)
700 S HIGHWAY ST
OAKLAND, IA 51560

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.

Is John Llamoso affiliated with any hospitals?

According to CMS data, John Llamoso is affiliated with Chi Health Bergan Mercy.

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 40 days 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.