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

JOHN FEEMSTER
NPI 1124766118
Internal Medicine - Sleep Medicine in Rochester, MN

Active since May 20, 2022PECOS Enrolled
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Feemster NPPES

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

JOHN FEEMSTER (NPI 1124766118) is an individual sleep medicine provider in Rochester, Minnesota, licensed in Minnesota (82725) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1124766118
Entity TypeIndividualMale
Primary Taxonomy207RS0012X
Provider Legal NameJOHN FEEMSTER
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing AddressPo Box 860912Minneapolis, MN 55486-0912 · (507) 284-2511
Phone(507) 284-2511
Sole ProprietorNo
Enumeration DateMay 20, 2022
Last NPPES UpdateJuly 1, 2026
NPPES CertifiedJuly 1, 2026
✔ NPI 1124766118 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License✔ Licensed in MN · 82725
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
200 1ST ST SW, Rochester, MN 55905
Open in Google Maps ↗

Secondary Practice Location 1

Location 14940 Eastern AveBaltimore, MD 21224-2735 · Phone (410) 550-0526

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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.

EMILY LEASURE MD
Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
NATHANAEL BAILEY
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
NICOLE S NIPPER NP
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
BRANDI D'SOUZA NP
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
DR. JODI M. MOORE-WEISS OD
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
JENNIFER L KERKVLIET MA
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
EMMANUEL J LUJERO CRNA
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511
JUAN PABLO BRITO CAMPANA M.D
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905
Olmsted County (507) 284-2511

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 Feemster's NPI number?

The NPI number for John Feemster is 1124766118. It was assigned to this individual provider in the NPPES registry on May 20, 2022.

Where is John Feemster located?

John Feemster practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is John Feemster's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is John Feemster enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for John Feemster was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.