JOHN KARSTENS
NPI 1457938169
Internal Medicine - Sleep Medicine in Erie, PA

Active since March 27, 2021PECOS EnrolledAccepts Medicare Assignment
204 W 26TH ST, ERIE, PA 16508(814) 868-7581(814) 866-3580 Get Directions Write a Review

NPPES record last updated: August 22, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About John Karstens NPPES

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

JOHN KARSTENS (NPI 1457938169) is an individual sleep medicine provider in Erie, Pennsylvania, licensed in Pennsylvania (OS023662) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Saint Vincent Hospital, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2021).

NPPES Registry Identity

NPI1457938169
Entity TypeIndividualMale
Primary Taxonomy207RS0012X
Provider Legal NameJOHN KARSTENS
Location Address204 W 26TH STErie, PA 16508-1806
Mailing Address2314 Sassafras St Ste 2Erie, PA 16502-2721 · (144) 525-0438 · Fax (814) 452-7005
Fax(814) 866-3580
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2021
Enumeration DateMarch 27, 2021
Last NPPES UpdateAugust 22, 2025
NPPES CertifiedAugust 22, 2025
NPI 1457938169 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License Licensed in PA · OS023662
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License OS023662 (PA)
204 W 26TH ST, Erie, PA 16508

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John Karstens 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 ID2769927037
PECOS Enrollment IDI20250829001657
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.

Saint Vincent Hospital

Acute Care Hospitals · Erie, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390009
Location232 West 25th StreetErie, PA 16544 · Erie County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 16508 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

Physician Assistant
204 W 26TH ST
ERIE, PA 16508
Internal Medicine (Pulmonary Disease)
204 W 26TH ST
ERIE, PA 16508
Nurse Practitioner (Acute Care)
204 W 26TH ST
ERIE, PA 16508
Nurse Practitioner
204 W 26TH ST
ERIE, PA 16508
Internal Medicine (Critical Care Medicine)
204 W 26TH ST
ERIE, PA 16508
Orthopaedic Surgery
204 W 26TH ST
ERIE, PA 16508
Internal Medicine (Pulmonary Disease)
204 W 26TH ST
ERIE, PA 16508
Internal Medicine (Pulmonary Disease)
204 W 26TH ST
ERIE, PA 16508

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 Karstens's NPI number?

The NPI number for John Karstens is 1457938169. It was assigned to this individual provider in the NPPES registry on March 27, 2021.

Where is John Karstens located?

John Karstens practices at 204 W 26th St, Erie, PA 16508. The listed phone number is (814) 868-7581.

What is John Karstens's specialty?

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

Is John Karstens enrolled in Medicare?

Yes. John Karstens is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is John Karstens affiliated with any hospitals?

According to CMS data, John Karstens is affiliated with Saint Vincent Hospital.

When was this NPI record last updated?

The NPPES record for John Karstens was last updated on August 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.