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JASON KARELIS
NPI 1801386297
Anesthesiology in Framingham, MA

Active since May 11, 2018PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
115 LINCOLN ST, FRAMINGHAM, MA 01702(508) 383-1000 Get Directions Write a Review

NPPES record last updated: November 4, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 4, 2022, May 11, 2018 (2 updates tracked since 2018).

About Jason Karelis NPPES

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

JASON KARELIS (NPI 1801386297) is an individual anesthesiology provider in Framingham, Massachusetts, licensed in New York (308780) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of State University Of Ny Upstate Medical University (2018).

NPPES Registry Identity

NPI1801386297
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameJASON KARELIS
Location Address115 LINCOLN STFramingham, MA 01702-6358
Mailing Address50 Presidential Plz Apt 2208Syracuse, NY 13202-2213
Phone(508) 383-1000
Sole ProprietorYes
Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 2018
Enumeration DateMay 11, 2018
Last NPPES UpdateNovember 4, 20222 updates tracked since enumeration
NPPES CertifiedNovember 4, 2022
✔ NPI 1801386297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NY · 308780
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedInternal MedicineTaxonomy 207R00000X · License 275915 (MA)
115 LINCOLN ST, Framingham, MA 01702
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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

Jason Karelis 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 ID9234463100
PECOS Enrollment IDI20220518000634
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 Jason Karelis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York University
145 mi
Cardiovascular Disease
1985 CROMPOND RD
Cortlandt Manor, NY 10567
  • Reassigned Medicare billing, New York enrollment
  • 1,074 clinicians in this Medicare group
NPI 1881987246 (914) 736-0703

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for procedure to assess heart electrical activity 00537
Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.
19 services19 patients

Hospital Affiliations CMS Care Compare

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

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330214
Location550 First AvenueNew York, NY 10016 · New York County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.33
Promoting Interoperability100
Improvement Activities40
Cost54.91

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.

JORGE ALEJANDRO ALZATE CRNA
Nurse Anesthetist, Certified Registered
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
JAVIER CONTRERAS YAMETTI MD
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
AMY ADDO
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
SARA BOVE
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
ERIC EDUARDO FABARA MD
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1555
REBECA MARTINEZ GONZALEZ MD
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
REUBEN NEJAT JACOBSON
Student in an Organized Health Care Education/Training Program
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1000
LUNG HEALTH CENTER OF METROWEST LLC
Internal Medicine (Pulmonary Disease)
115 LINCOLN ST
FRAMINGHAM, MA 01702
Middlesex County (508) 383-1525

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 Jason Karelis's NPI number?

The NPI number for Jason Karelis is 1801386297. It was assigned to this individual provider in the NPPES registry on May 11, 2018.

Where is Jason Karelis located?

Jason Karelis practices at 115 Lincoln St, Framingham, MA 01702. The listed phone number is (508) 383-1000.

What is Jason Karelis's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Jason Karelis enrolled in Medicare?

Yes. Jason Karelis 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.

Which organization bills Medicare for Jason Karelis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Karelis reassigns Medicare benefits to New York University (Cortlandt Manor, NY). 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 Jason Karelis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Jason Karelis affiliated with any hospitals?

According to CMS data, Jason Karelis is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Jason Karelis was last updated on November 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.